Flash LiDAR system using charge-domain time-compressive ToF CMOS image sensor and deep learning

Daisuke Hayashi, Michitaka Yoshida, De Xing Lioe, Keita Yasutomi, Shoji Kawahito, Hajime Nagahara, Keiichiro Kagawa

Photonic Instrumentation Engineering XII　p. 37-37　2025/03/19　Research paper (international conference proceedings)

Self-supervised 3D image Deburring for Lattice Light Sheet Microscopy

Ziyi Chen, Shiro Suetsugu, Yuko Mimori-Kiyosue, Hajime Nagahara

International Forum on Medical Imaging in Asia　2025/03　Research paper (international conference proceedings)

GNNBoost: boosting artwork classification with graph embeddings

Cheikh Brahim El Vaigh, Noa Garcia, Benjamin Renoust, Chenhui Chu, Yuta Nakashima, Yiming Qian, Hajime Nagahara

Multimedia Tools and Applications　2025/02/25　Research paper (scientific journal)

H&E Style Translation Using CycleGAN for Deep Ultraviolet-Excitation Fluorescence Images of Pancreatic Endoscopic Ultrasound-Fine Needle Aspiration/Biopsy Toward Slide-Free Rapid Pathology

Yuki Koyama, Ryuta Nakao, Junya Sato, Mizuki Honda, Osamu Inamori, Noriyuki Tanaka, Yukiko Morinaga, Eiichi Konishi, Yoshinori Harada, Hideo Tanaka, Hiroaki Yasuda, Yoshito Itoh, Hajime Nagahara, Hirohiko Niioka, Tetsuro Takamatsu

ACTA HISTOCHEMICA ET CYTOCHEMICA　2025　Research paper (scientific journal)

Multi-task Learning of Classification and Generation for Set-structured Data.

Fumioki Sato, Hideaki Hayashi, Hajime Nagahara

WACV　p. 6741-6751　2025　Research paper (international conference proceedings)

LoHoSC: Low Order High Order Style Consistency for Syn-to-Real Domain Generalized Semantic Segmentation

Sudhakar Kumawat, Hajime Nagahara

ICPR (3)　p. 243-258　2025　Research paper (international conference proceedings)

Deep Hardware Modality Fusion for Image Segmentation

Yi Liu, Sudhakar Kumawat, Hajime Nagahara

ICPR (7)　p. 439-454　2025　Research paper (international conference proceedings)

Deep learning-based screening for locomotive syndrome using single-camera walking video: Development and validation study

Junichi Kushioka, Satoru Tada, Noriko Takemura, Taku Fujimoto, Hajime Nagahara, Masahiko Onoe, Keiko Yamada, Rodrigo Navarro-Ramirez, Takenori Oda, Hideki Mochizuki, Ken Nakata, Seiji Okada, Yu Moriguchi

PLOS Digital Health　Vol. 3　No. 11　p. e0000668-e0000668　2024/11/26　Research paper (scientific journal)

Learning More May Not Be Better: Knowledge Transferability in Vision-and-Language Tasks

Tianwei Chen, Noa Garcia, Mayu Otani, Chenhui Chu, Yuta Nakashima, Hajime Nagahara

Journal of Imaging　Vol. 10　No. 12　p. 300-300　2024/11/22　Research paper (scientific journal)

Is cardiovascular risk profiling from UK Biobank retinal images using explicit deep learning estimates of traditional risk factors equivalent to actual risk measurements? A prospective cohort study design

Yiming Qian, Liangzhi Li, Yuta Nakashima, Hajime Nagahara, Kohji Nishida, Ryo Kawasaki

BMJ Open　Vol. 14　No. 10　p. e078609-e078609　2024/10/08　Research paper (scientific journal)

Designing a Camera for Privacy Preserving

Hajine Nagahara

International Workshop on Image Sensors and Imaging Systems　2024/10　Research paper (international conference proceedings)

Charge-domain time-compressive CMOS image sensors for pseudo-direct LiDAR

Keiichiro Kagawa, Daisuke Hayashi, De Xing Lioe, Keita Yasutomi, Shoji Kawahito, Michitaka Yoshida, Hajime Nagahara

IEEE International Conference on Conmputational Photography　2024/07

Single-shot efficient depth imaging based on time-compressive CMOS image sensor

Michitaka Yoshida, Daisuke Hayashi, Lioe De Xing, Keita Yasutomi, Shoji Kawahito, Keiichiro Kagawa, Hajime Nagahara

IEEE International Conference on Conmputational Photography　p. 1-4　2024/07　Research paper (international conference proceedings)

Single-Shot Efficient Transient Imaging With Optimal Coded Shutter Based on Time-Compressive CMOS Image Sensor

Michitaka Yoshida, Daisuke Hayashi, Lioe D. Xing, Keita Yasutomi, Shoji Kawahito, Keiichiro Kagawa, Hajime Nagahara

2024/07　Research paper (international conference proceedings)

R&D of the EM Calorimeter Energy Calibration with Machine Learning based on the low-level features of the Cluster

Suzuna Morimasa, Hajime Nagahara, Takashi Nakano, Yuta Nakashima, Masahiko Saito, Taikan Suehara, Noriko Takemura, Junichi Tanaka

International Workshop on Future Linear Colliders　2024/07

Time-Efficient Light-Field Acquisition Using Coded Aperture and Events

Shuji Habuchi, Keita Takahashi, Chihiro Tsutake, Toshiaki Fujii, Hajime Nagahara

IEEE Conference on Computer Vision and Pattern Recognition　2024/07

NeISF: Neural Incident Stokes Field for Geometry and Material Estimation

Chenhao Li, Taishi Ono, Takeshi Uemori, Hajime Mihara, Alexander Gatto, Hajime Nagahara, Yusuke Moriuchi

2024/06

Deep sensing - Jointly optimizes image sensing and processing -

Hajime Nagahara

2024/04

Development of a Model for Discriminating Electroencephalograms of Patients with Mild Cognitive Impairment and Healthy Individuals Using a Support Vector Machine.

Akifumi Tanabe, Kyosuke Nakatani, Kento Harachi, Yusuke Yamamoto, Ayumi Muramatsu, Hajime Nagahara, Noriko Takemura, Shinji Shimojo, Daisuke Furihata, Yuko Mizuno-Matsumoto, Kazue Kamae-Shigenobu, Kazuhiro Shinosaki

SCIS/ISIS　p. 1-3　2024　Research paper (international conference proceedings)

DiReCT: Diagnostic Reasoning for Clinical Notes via Large Language Models.

Bowen Wang, Jiuyang Chang, Yiming Qian, Guoxin Chen, Junhao Chen, Zhouqiang Jiang, Jiahao Zhang, Yuta Nakashima, Hajime Nagahara

NeurIPS　2024　Research paper (international conference proceedings)

CALICO: Confident Active Learning with Integrated Calibration.

Lorenzo S. Querol, Hajime Nagahara, Hideaki Hayashi

Artificial Neural Networks and Machine Learning - ICANN 2024 - 33rd International Conference on Artificial Neural Networks　p. 116-130　2024　Research paper (international conference proceedings)

Deep Polarization Cues for Single-Shot Shape and Subsurface Scattering Estimation.

Chenhao Li, Trung Thanh Ngo, Hajime Nagahara

Computer Vision - ECCV 2024 - 18th European Conference　p. 55-73　2024　Research paper (international conference proceedings)

Unleashing the Power of Contrastive Learning for Zero-Shot Video Summarization.

Zongshang Pang, Yuta Nakashima, Mayu Otani, Hajime Nagahara

Journal of Imaging　Vol. 10　No. 9　p. 229-229　2024　Research paper (scientific journal)

Is Internal State Feedback in an E-Learning Environment Acceptable to People?

Atsushi Ashida, Ryosuke Kawamura, Shizuka Shirai, Noriko Takemura, Mehrasa Alizadeh, Hideaki Hayashi, Hajime Nagahara

ICCE　2024　Research paper (international conference proceedings)

Deep Volume Reconstruction from Multi-focus Microscopic Images

Caio Azevedo, Sanchayan Santra, Sudhakar Kumawat, Hajime Nagahara, Ken’ichi Morooka

Medical Image Computing and Computer Assisted Intervention - MICCAI 2024 - 27th International Conference　p. 47-57　2024　Research paper (international conference proceedings)

[Paper] Compressive Acquisition of Light Field Video Using Aperture-Exposure-Coded Camera

Ryoya Mizuno, Keita Takahashi, Michitaka Yoshida, Chihiro Tsutake, Toshiaki Fujii, Hajime Nagahara

ITE Transactions on Media Technology and Applications　Vol. 12　No. 1　p. 22-35　2024　Research paper (scientific journal)

SpotFormer: Multi-Scale Spatio-Temporal Transformer for Facial Expression Spotting.

Yicheng Deng, Hideaki Hayashi, Hajime Nagahara

CoRR　Vol. abs/2407.20799　2024　Research paper (scientific journal)

Deep Polarization Cues for Single-shot Shape and Subsurface Scattering Estimation.

Chenhao Li, Trung Thanh Ngo, Hajime Nagahara

CoRR　Vol. abs/2407.08149　2024　Research paper (scientific journal)

Explainable Image Recognition via Enhanced Slot-attention Based Classifier.

Bowen Wang, Liangzhi Li 0001, Jiahao Zhang, Yuta Nakashima, Hajime Nagahara

CoRR　Vol. abs/2407.05616　2024　Research paper (scientific journal)

CALICO: Confident Active Learning with Integrated Calibration.

Lorenzo S. Querol, Hajime Nagahara, Hideaki Hayashi

CoRR　Vol. abs/2407.02335　2024　Research paper (scientific journal)

Multi-Scale Spatio-Temporal Graph Convolutional Network for Facial Expression Spotting.

Yicheng Deng, Hideaki Hayashi, Hajime Nagahara

CoRR　Vol. abs/2403.15994　2024　Research paper (scientific journal)

Time-Efficient Light-Field Acquisition Using Coded Aperture and Events.

Shuji Habuchi, Keita Takahashi 0001, Chihiro Tsutake, Toshiaki Fujii, Hajime Nagahara

CoRR　Vol. abs/2403.07244　2024　Research paper (scientific journal)

MIDAS: Mixing Ambiguous Data with Soft Labels for Dynamic Facial Expression Recognition.

Ryosuke Kawamura, Hideaki Hayashi, Noriko Takemura, Hajime Nagahara

WACV　p. 6538-6548　2024　Research paper (international conference proceedings)

Instruct Me More! Random Prompting for Visual In-Context Learning.

Jiahao Zhang, Bowen Wang, Liangzhi Li 0001, Yuta Nakashima, Hajime Nagahara

WACV　p. 2585-2594　2024　Research paper (international conference proceedings)

Revisiting Pixel-Level Contrastive Pre-Training on Scene Images.

Zongshang Pang, Yuta Nakashima, Mayu Otani, Hajime Nagahara

WACV　p. 1773-1782　2024　Research paper (international conference proceedings)

Multi-Scale Spatio-Temporal Graph Convolutional Network for Facial Expression Spotting.

Yicheng Deng, Hideaki Hayashi, Hajime Nagahara

IEEE International Conference on Automatic Face and Gesture Recognition　p. 1-10　2024　Research paper (international conference proceedings)

Exploring Effective Sensing Indicators of Loneliness For Elderly Community in US and Japan.

Xiayan Ji, Ahhyun Yuh, Viktor Erdélyi, Teruhiro Mizumoto, Hyonyoung Choi, Sean Lee Harrison, Emma Cho, James Weimer, Hajime Nagahara, Teruo Higashino, George Demiris, Oleg Sokolsky, Insup Lee 0001

CHI Extended Abstracts　p. 518-9　2024　Research paper (international conference proceedings)

Channel and model selection for multi-channel EEG input to neural networks

Kento Harachi, Yusuke Yamamoto, Ayumi Muramatsu, Hajime Nagahara, Noriko Takemura, Shinji Shimojo, Daisuke Furihata, Yuko Mizuno-Matsumoto

SICE Journal of Control, Measurement, and System Integration　Vol. 17　No. 1　2024　Research paper (scientific journal)

A Coded Aperture as a Key for Information Hiding Designed by Physics-in-the-Loop Optimization.

Tomoki Minamata, Hiroki Hamasaki, Hiroshi Kawasaki, Hajime Nagahara, Satoshi Ono

IEICE Trans. Inf. Syst.　Vol. 107　No. 1　p. 29-38　2024/01　Research paper (scientific journal)

Exploring Mixed Reality Group Activity Visualisations for Teaching Assistants to Support Collaborative Learning

Ryota Takahashi, Shizuka Shirai, Hiroyuki Nagataki, Tatsuya Amano, Mehrasa Alizadeh, Mayumi Ueda, Noriko Takemura, Mutlu Cukurova, Hajime Nagahara, Haruo Takemura

Communications in Computer and Information Science　Vol. 1957 CCIS　p. 333-339　2024　Research paper (international conference proceedings)

Deep UV-excited fluorescence microscopy installed with CycleGAN-assisted image translation enhances precise detection of lymph node metastasis towards rapid intraoperative diagnosis

Junya Sato, Tatsuya Matsumoto, Ryuta Nakao, Hideo Tanaka, Hajime Nagahara, Hirohiko Niioka, Tetsuro Takamatsu

Scientific Reports　Vol. 13　No. 1　2023/12/04　Research paper (scientific journal)

Development of Accelerator Tuning System Using Machine Learning : Development of Accelerator Simulator

R. Watarai, M.Iwasaki, Y. Nakashima, N. Takemura, H. Nagahara, T. Nakano, M. Satoh, I. Satake

2023/12　Research paper (international conference proceedings)

Depth Quality Improvement with a 607 MHz Time-Compressive Computational Pseudo-dToF CMOS Image Sensor.

Anh Ngoc Pham, Thoriq Ibrahim, Keita Yasutomi, Shoji Kawahito, Hajime Nagahara, Keiichiro Kagawa

Sensors　Vol. 23　No. 23　p. 9332-9332　2023/12　Research paper (scientific journal)

Measuring and imaging of transcutaneous bilirubin, hemoglobin, and melanin based on diffuse reflectance spectroscopy.

Masafumi Minakawa, Md Abdul Wares, Kazuya Nakano, Hideaki Haneishi, Yoshihisa Aizu, Yoshio Hayasaki, Tetsuo Ikeda, Hajime Nagahara, Izumi Nishidate

Journal of biomedical optics　Vol. 28　No. 10　p. 107001-107001　2023/10　Research paper (scientific journal)

Automatic evaluation of atlantoaxial subluxation in rheumatoid arthritis by a deep learning model

Yasutaka Okita, Toru Hirano, Bowen Wang, Yuta Nakashima, Saki Minoda, Hajime Nagahara, Atsushi Kumanogoh

Arthritis Research & Therapy　Vol. 25　No. 1　2023/09/25　Research paper (scientific journal)

Deep Sensing for Compressive Video Acquisition.

Michitaka Yoshida, Akihiko Torii, Masatoshi Okutomi, Rin-Ichiro Taniguchi, Hajime Nagahara, Yasushi Yagi

Sensors　Vol. 23　No. 17　p. 7535-7535　2023/09　Research paper (scientific journal)

Cross-language font style transfer.

Chenhao Li, Yuta Taniguchi, Min Lu 0003, Shin'ichi Konomi, Hajime Nagahara

Applied Intelligence　Vol. 53　No. 15　p. 18666-18680　2023/08　Research paper (scientific journal)

Learning Bottleneck Concepts in Image Classification

Bowen Wang, Liangzhi Li, Yuta Nakashima, Hajime Nagahara

2023/06　Research paper (international conference proceedings)

Real-time estimation of the remaining surgery duration for cataract surgery using deep convolutional neural networks and long short-term memory

Bowen Wang, Liangzhi Li, Yuta Nakashima, Ryo Kawasaki, Hajime Nagahara

BMC Medical Informatics and Decision Making　Vol. 23　No. 1　p. 80-80　2023/05/04　Research paper (scientific journal)

Person segmentation and identification across multiple wearable cameras

Noriko Takemura, Haruya Sakashita, Shizuka Shirai, Mehrasa Alizadeh, Hajime Nagahara

Sixteenth International Conference on Quality Control by Artificial Vision　2023/05　Research paper (international conference proceedings)

Action Recognition From a Single Coded Image.

Sudhakar Kumawat, Tadashi Okawara, Michitaka Yoshida, Hajime Nagahara, Yasushi Yagi

IEEE Transactions on Pattern Analysis and Machine Intelligence　Vol. 45　No. 4　p. 4109-4121　2023/04　Research paper (scientific journal)

Evaluation of Anxiety State Discrimination by Recurrent Neural Network using the Connectivity of Brain Function Network by EEG

Yamamoto Yusuke, Harachi Kento, Muramatsu Ayumi, Nagahara Hajime, Takemura Noriko, Mizuno-Matsumoto Yuko, Shimojo Shinji

IEEJ Transactions on Electronics, Information and Systems　Vol. 143　No. 4　p. 430-440　2023/04/01　Research paper (scientific journal)

Automated grading system of retinal arterio-venous crossing patterns: A deep learning approach replicating ophthalmologist’s diagnostic process of arteriolosclerosis

Liangzhi Li, Manisha Verma, Bowen Wang, Yuta Nakashima, Hajime Nagahara, Ryo Kawasaki

PLOS Digital Health　Vol. 2　No. 1　2023/01/11　Research paper (scientific journal)

Human-Imperceptible Identification With Learnable Lensless Imaging

Thuong Nguyen Canh, Trung Thanh Ngo, Hajime Nagahara

IEEE Access　Vol. 11　p. 95724-95733　2023　Research paper (scientific journal)

NeISF: Neural Incident Stokes Field for Geometry and Material Estimation.

Chenhao Li, Taishi Ono, Takeshi Uemori, Hajime Mihara, Alexander Gatto, Hajime Nagahara, Yusuke Moriuchi

CoRR　Vol. abs/2311.13187　2023　Research paper (scientific journal)

Instruct Me More! Random Prompting for Visual In-Context Learning.

Jiahao Zhang, Bowen Wang, Liangzhi Li 0001, Yuta Nakashima, Hajime Nagahara

CoRR　Vol. abs/2311.03648　2023　Research paper (scientific journal)

Inverse Rendering of Translucent Objects using Physical and Neural Renderers.

Chenhao Li, Trung Thanh Ngo, Hajime Nagahara

CoRR　Vol. abs/2305.08336　2023　Research paper (scientific journal)

Learning Bottleneck Concepts in Image Classification.

Bowen Wang, Liangzhi Li 0001, Yuta Nakashima, Hajime Nagahara

CoRR　Vol. abs/2304.10131　2023　Research paper (scientific journal)

Inference Time Evidences of Adversarial Attacks for Forensic on Transformers.

Hugo Lemarchant, Liangzi Li, Yiming Qian, Yuta Nakashima, Hajime Nagahara

CoRR　Vol. abs/2301.13356　2023　Research paper (scientific journal)

Contrastive Losses Are Natural Criteria for Unsupervised Video Summarization.

Zongshang Pang, Yuta Nakashima, Mayu Otani, Hajime Nagahara

IEEE/CVF Winter Conference on Applications of Computer Vision(WACV)　p. 2009-2018　2023　Research paper (international conference proceedings)

iCareLoop: Data Management System for Monitoring Gerontological Social Isolation and Loneliness.

Xiayan Ji, Ahhyun Yuh, Hyon-Young Choi, Viktor Erdélyi, Teruhiro Mizumoto, Sean Lee Harrison, James Weimer, George Demiris, Takeshi Nakagawa, Takashi Suehiro, Yasuyuki Gondo, Hajime Nagahara, Oleg Sokolsky, Teruo Higashino, Insup Lee 0001

ICMU　p. 1-6　2023　Research paper (international conference proceedings)

iCareLoop: Closed-Loop Sensing and Intervention for Gerontological Social Isolation and Loneliness.

Xiayan Ji, Ahhyun Yuh, Hyon-Young Choi, Amanda Watson, Claire Kendell, Xian Li, James Weimer, Hajime Nagahara, Teruo Higashino, Teruhiro Mizumoto, Viktor Erdélyi, George Demiris, Oleg Sokolsky, Insup Lee 0001

Proceedings of the ACM/IEEE 14th International Conference on Cyber-Physical Systems(ICCPS)　p. 272-273　2023　Research paper (international conference proceedings)

Inverse Rendering of Translucent Objects using Physical and Neural Renderers.

Chenhao Li, Trung Thanh Ngo, Hajime Nagahara

CVPR　p. 12510-12520　2023　Research paper (international conference proceedings)

Short: Integrated Sensing Platform for Detecting Social Isolation and Loneliness In the Elderly Community.

Xiayan Ji, Xian Li, Ahhyun Yuh, Amanda Watson, Claire Kendell, James Weimer, Hajime Nagahara, Teruo Higashino, Teruhiro Mizumoto, Viktor Erdélyi, George Demiris, Oleg Sokolsky, Insup Lee 0001

CHASE　p. 148-152　2023　Research paper (international conference proceedings)

Automated Detection of Students’ Gaze Interactions in Collaborative Learning Videos: A Novel Approach

Qi Zhou, Amartya Bhattacharya, Wannapon Suraworachet, Hajime Nagahara, Mutlu Cukurova

EC-TEL　p. 504-517　2023　Research paper (international conference proceedings)

Automated Orthodontic Diagnosis from a Summary of Medical Findings.

Takumi Ohtsuka, Tomoyuki Kajiwara, Chihiro Tanikawa, Yuujin Shimizu, Hajime Nagahara, Takashi Ninomiya

ClinicalNLP@ACL　p. 156-160　2023　Research paper (international conference proceedings)

A Compact BRDF Scanner with Multi-conjugate Optics.

Kensuke Uchida, Hajime Nagahara, Yasuyuki Matsushita

International Conference on Computational Photography　p. 1-11　2023　Research paper (international conference proceedings)

Criteria for detection of possible risk factors for mental health problems in undergraduate university students.

Daiki Ishimaru, Hiroyoshi Adachi, Teruhiro Mizumoto, Viktor Erdelyi, Hajime Nagahara, Shizuka Shirai, Haruo Takemura, Noriko Takemura, Mehrasa Alizadeh, Teruo Higashino, Yasushi Yagi, Manabu Ikeda

Frontiers in psychiatry　Vol. 14　p. 1184156-1184156　2023　Research paper (scientific journal)

Application of deep learning as an ancillary diagnostic tool for thyroid FNA cytology

Mitsuyoshi Hirokawa, Hirohiko Niioka, Ayana Suzuki, Masatoshi Abe, Yusuke Arai, Hajime Nagahara, Akira Miyauchi, Takashi Akamizu

Cancer Cytopathology　Vol. 131　No. 4　p. 217-225　2022/12/16　Research paper (scientific journal)

Deep sensing - Jointly optimize imaging and processing -

Hajime Nagahara

International Workshop on Image Sensors and Imaging Systems　2022/11

Random Sequence Modulation of Multiple-Gate of Indirect ToF for Handling Multi-ToF-Camera Interference

LUO WENBIN, Takafumi Iwaguchi, Hajime Nagahara, Ryusuke Sagawa, Hiroshi Kawasaki

2022/11　Research paper (international conference proceedings)

Pseudo-direct ToF imaging using a multi-tap macro-pixel CMOS image sensor with oversampled reconstruction

Pham Ngoc Anh, Thoriq Ibrahim, Keita Yasutomi, Shoji Kawahito, Hajime Nagahara, Keiichiro Kagawa

2022/11

Privacy-Preserving Action Recognition via Motion Difference Quantization

Sudhakar Kumawat, Hajime Nagahara

European Conference on Computer Vision　p. 518-534　2022/10　Research paper (international conference proceedings)

Comparison of Mental State Discrimination Accuracy by Pulse Wave Using Multi-Layer Perceptron and Recurrent Neural Network

Kento Harachi, Yusuke Yamamoto, Ayumi Muramatsu, Hajime Nagahara, Noriko Takemura, Yuko Mizuno-Matsumoto, Shinji Shimojo

IEEJ Transactions on Electronics, Information and Systems　Vol. 142　No. 10　p. 1115-1122　2022/10/01　Research paper (scientific journal)

Match them up: visually explainable few-shot image classification

Bowen Wang, Liangzhi Li, Manisha Verma, Yuta Nakashima, Ryo Kawasaki, Hajime Nagahara

Applied Intelligence　Vol. 53　No. 9　p. 10956-10977　2022/08/27　Research paper (scientific journal)

Automated diagnosis of optical coherence tomography imaging on plaque vulnerability and its relation to clinical outcomes in coronary artery disease

Hirohiko Niioka, Teruyoshi Kume, Takashi Kubo, Tsunenari Soeda, Makoto Watanabe, Ryotaro Yamada, Yasushi Sakata, Yoshihiro Miyamoto, Bowen Wang, Hajime Nagahara, Jun Miyake, Takashi Akasaka, Yoshihiko Saito, Shiro Uemura

Scientific Reports　Vol. 12　No. 1　2022/08/18　Research paper (scientific journal)

The validation of orthodontic artificial intelligence systems that perform orthodontic diagnoses and treatment planning.

Yuujin Shimizu, Chihiro Tanikawa, Tomoyuki Kajiwara, Hajime Nagahara, Takashi Yamashiro

European journal of orthodontics　Vol. 44　No. 4　p. 436-444　2022/08/16　Research paper (scientific journal)

Quantification and Discriminant Evaluation of Unpleasant Emotions by Frequency Analysis Using EEG and ECG

Yusuke YAMAMOTO, Saya TANAKA, Kento HARACHI, Ayumi MURAMATSU, Noriko TAKEMURA, Hajime NAGAHARA, Yuko MIZUNO-MATSUMOTO, Shinji SHIMOJO

Journal of Japan Society for Fuzzy Theory and Intelligent Informatics　Vol. 34　No. 3　p. 654-662　2022/08/15　Research paper (scientific journal)

自己教師あり学習を用いた甲状腺細胞診画像の特徴表現獲得と画像分類応用

安部 政俊, 廣川 満良, 鈴木 彩菜, 長原 一, 宮内 昭, 赤水 尚史, 新岡 宏彦

バイオイメージング　Vol. 31　No. 2　p. 129-129　2022/08

Yasuhito Hashiba; Keita Mochizuki; Emiko Sano; Shigeru Takushima; Hiroyuki Kawano; Hajime Nagahara

Coded Exposure Imaging, System for, Crack Inspection

International Conference on Optics-photonics Design & Fabrication　2022/08　Research paper (international conference proceedings)

"Artificial intelligence system that estimates the GOSLON Yardstick index in patients with unilateral cleft lip and palate"

TowakoTanimura, Chihiro Tanikawa, Shoko Miyauchi, Ken’ichiMorooka, Hajime Nagahara, Takashi Yamashiro

International congress of CLEFT Lip, Palate & Related Craniofacial Anomalies　2022/07　Research paper (international conference proceedings)

Learning-Assisted Matrix-Pencil Method for Indirect Time-of-Flight Image Demixing

Saurabh Kumar, Hajime Nagahara, Keiichiro Kagawa

Computational Optical Sensing and Imaging　2022/07　Research paper (international conference proceedings)

Cardiovascular Disease Risk Prediction using Retinal Images via Explainable-AI based models with Traditional CVD risk factor estimation

Ryo Kawasaki, Yiming Qian, Liangzhi Li, Kohji Nishida, Yuta Nakashima, Hajime Nagahara

Investigative Ophthalmology & Visual Science　Vol. 63　No. 7　p. 3375-A0162　2022/06　Research paper (scientific journal)

【次世代の甲状腺細胞診】AIを用いた甲状腺細胞診支援システムの開発と利用

廣川 満良, 新岡 宏彦, 鈴木 彩菜, 安部 政俊, 式見 彰浩, 長原 一, 宮内 昭

日本臨床細胞学会雑誌　Vol. 61　No. 3　p. 200-207　2022/05

甲状腺細胞診の現状と次世代への挑戦 AIが創る次世代甲状腺細胞診

鈴木 彩菜, 廣川 満良, 新岡 宏彦, 安部 政俊, 新井 悠介, 長原 一, 宮内 昭

日本臨床細胞学会雑誌　Vol. 61　No. Suppl.1　p. 150-150　2022/05

Resolving Multi-Path Interference in Compressive Time-of-Flight Depth Imaging with a Multi-Tap Macro-Pixel Computational CMOS Image Sensor.

Masaya Horio, Yu Feng, Tomoya Kokado, Taishi Takasawa, Keita Yasutomi, Shoji Kawahito, Takashi Komuro, Hajime Nagahara, Keiichiro Kagawa

Sensors (Basel, Switzerland)　Vol. 22　No. 7　2022/03/22　Research paper (scientific journal)

デジタルトランスフォーメーションで変わる医療 深層学習を用いた甲状腺細胞診自動診断システム(AI differential diagnosis for cytology of the thyroid:ADDICT)の開発とその現状

新岡 宏彦, 廣川 満良, 鈴木 彩菜, 安部 政俊, 新井 悠介, 式見 彰浩, 長原 一, 宮内 昭

PHARM TECH JAPAN　Vol. 38　No. 2　p. 247-254　2022/02

Development and utilization of AI for differential diagnosis in cytology of the thyroid (ADDICT)

Mitsuyoshi HIROKAWA, Hirohiko NIIOKA, Ayana SUZUKI, Masatoshi ABE, Akihiro SHIKIMI, Hajime NAGAHARA, Akira MIYAUCHI

The Journal of the Japanese Society of Clinical Cytology　Vol. 61　No. 3　p. 200-207　2022　Research paper (scientific journal)

Emotional Intensity Estimation based on Writer's Personality.

Haruya Suzuki, Sora Tarumoto, Tomoyuki Kajiwara, Takashi Ninomiya, Yuta Nakashima, Hajime Nagahara

AACL/IJCNLP 2022 (Student Research Workshop)　p. 1-7　2022　Research paper (international conference proceedings)

Privacy-Preserving Action Recognition via Motion Difference Quantization.

Sudhakar Kumawat, Hajime Nagahara

CoRR　Vol. abs/2208.02459　2022　Research paper (scientific journal)

A Japanese Dataset for Subjective and Objective Sentiment Polarity Classification in Micro Blog Domain.

Haruya Suzuki, Yuto Miyauchi, Kazuki Akiyama, Tomoyuki Kajiwara, Takashi Ninomiya, Noriko Takemura, Yuta Nakashima, Hajime Nagahara

LREC　p. 7022-7028　2022　Research paper (international conference proceedings)

Blockwise Feature-Based Registration of Deformable Medical Images.

Su Wai Tun, Takashi Komuro, Hajime Nagahara

ICIC (1)　p. 472-482　2022　Research paper (international conference proceedings)

Acquiring a Dynamic Light Field through a Single-Shot Coded Image.

Ryoya Mizuno, Keita Takahashi 0001, Michitaka Yoshida, Chihiro Tsutake, Toshiaki Fujii, Hajime Nagahara

CVPR　p. 19798-19808　2022　Research paper (international conference proceedings)

Multi-label Disengagement and Behavior Prediction in Online Learning.

Manisha Verma, Yuta Nakashima, Noriko Takemura, Hajime Nagahara

AIED (1)　p. 633-639　2022　Research paper (international conference proceedings)

Corpus Construction for Historical Newspapers: A Case Study on Public Meeting Corpus Construction Using OCR Error Correction.

Koji Tanaka, Chenhui Chu, Tomoyuki Kajiwara, Yuta Nakashima, Noriko Takemura, Hajime Nagahara, Takao Fujikawa

SN Computer Science　Vol. 3　No. 6　p. 489-489　2022　Research paper (scientific journal)

A Dual-Mode 303-Megaframes-per-Second Charge-Domain Time-Compressive Computational CMOS Image Sensor.

Keiichiro Kagawa, Masaya Horio, Anh Ngoc Pham, Thoriq Ibrahim, Shin-ichiro Okihara, Tatsuki Furuhashi, Taishi Takasawa, Keita Yasutomi, Shoji Kawahito, Hajime Nagahara

Sensors　Vol. 22　No. 5　p. 1953-1953　2022　Research paper (scientific journal)

Deep sensing

Hajime Nagahara

International workshop of display　2021/12　Research paper (international conference proceedings)

画像診断におけるArtificial Intelligenceの臨床応用 食道癌リンパ節転移診断能に関する検討

林 芳矩, 新岡 宏彦, 牧野 知紀, 兼子 晃寛, 小林 照之, 梁川 雅弘, 長原 一, 三宅 淳, 富山 憲幸, 江口 英利, 土岐 祐一郎

日本臨床外科学会雑誌　Vol. 82　No. 増刊　p. S962-S962　2021/10

Optical time-of-flight with autofocus using a variable focal lens

Juan Manuel, Franco Sanchez, Joel Cervantes Lozano, Keiichiro Kagawa, Hajime Nagahara, Yoshio Hayasaki

SPIE/COS Phtonics Asia　2021/10　Research paper (international conference proceedings)

R&D of the KEK Linac Accelerator Tuning using Machine Learning

A. Hisano, M. Iwasaki, I. Satake, M. Satoh, H. Nagahara, N. Takemura, Y. Nakashima, T. Nakano

International Conference on Accelerator and Large Experimental Physics Control Systems　2021/10　Research paper (international conference proceedings)

Learners’ Efficiency Prediction Using Facial Behavior Analysis

Manisha Verma, Yuta Nakashima, Hirokazu Kobori, Ryota Takaoka, Noriko Takemura, Tsukasa Kimura, Hajime Nagahara, Masayuki Numao, Kazumitsu Shinohara

2021 IEEE International Conference on Image Processing (ICIP)　p. 1084-1088　2021/09/19　Research paper (international conference proceedings)

Characteristics of Adaptation in Undergraduate University Students Suddenly Exposed to Fully Online Education During the COVID-19 Pandemic

Daiki Ishimaru, Hiroyoshi Adachi, Hajime Nagahara, Shizuka Shirai, Haruo Takemura, Noriko Takemura, Alizadeh Mehrasa, Teruo Higashino, Yasushi Yagi, Manabu Ikeda

Frontiers in Psychiatry　Vol. 12　p. 731137-731137　2021/09/13　Research paper (scientific journal)

次世代の甲状腺細胞診 AIを用いた甲状腺細胞診支援システム(AD-DICT)の開発に向けて

廣川 満良, 新岡 宏彦, 鈴木 彩菜, 安部 政俊, 式見 彰浩, 長原 一, 宮内 昭

日本臨床細胞学会雑誌　Vol. 60　No. Suppl.1　p. 112-112　2021/05

Integrated optical imaging system composed of optical time-of-flight and optical coherence tomography

Juan Manuel, Franco Sánchez, Yuki Shimamoto, Joel Cervantes, Keiichiro Kagawa, Hajime Nagahara, Yoshio Hayasaki

Biomedical Imaging and Sensing Conference　2021/04　Research paper (international conference proceedings)

Diagnostic performance for pulmonary adenocarcinoma on CT: comparison of radiologists with and without three-dimensional convolutional neural network

Masahiro Yanagawa, Hirohiko Niioka, Masahiko Kusumoto, Kazuo Awai, Mitsuko Tsubamoto, Yukihisa Satoh, Tomo Miyata, Yuriko Yoshida, Noriko Kikuchi, Akinori Hata, Shohei Yamasaki, Shoji Kido, Hajime Nagahara, Jun Miyake, Noriyuki Tomiyama

European Radiology　Vol. 31　No. 4　p. 1978-1986　2021/04　Research paper (scientific journal)

Novel Multispectral Device for Quantitative Imaging of Tissue Oxygen Saturation and Hemoglobin as Surgical Navigation Device

Yasuhiro Haruta, Ryosuke Tsutsumi, Kuriyama Naotaka, Hajime Nagahara, Tetsuo Ikeda

Surgery and Operating Room Innovation　p. 93-106　2021　Research paper (scientific journal)

Built Year Prediction from Buddha Face with Heterogeneous Labels.

Yiming Qian, Cheikh Brahim El Vaigh, Yuta Nakashima, Benjamin Renoust, Hajime Nagahara, Yutaka Fujioka

SUMAC'21: Proceedings of the 3rd Workshop on Structuring and Understanding of Multimedia heritAge Contents　p. 5-12　2021　Research paper (international conference proceedings)

GCNBoost: Artwork Classification by Label Propagation through a Knowledge Graph.

Cheikh Brahim El Vaigh, Noa Garcia, Benjamin Renoust, Chenhui Chu, Yuta Nakashima, Hajime Nagahara

ICMR '21: International Conference on Multimedia Retrieval(ICMR)　p. 92-100　2021　Research paper (international conference proceedings)

3D Registration of Deformable Objects Using a Time-of-Flight Camera.

Su Wai Tun, Takashi Komuro, Hajime Nagahara

Advances in Visual Computing - 16th International Symposium　p. 455-465　2021　Research paper (international conference proceedings)

SCOUTER: Slot Attention-based Classifier for Explainable Image Recognition.

Liangzhi Li, Bowen Wang, Manisha Verma, Yuta Nakashima, Ryo Kawasaki, Hajime Nagahara

2021 IEEE/CVF International Conference on Computer Vision(ICCV)　p. 1026-1035　2021　Research paper (international conference proceedings)

Surface Normals and Light Directions from Shading and Polarization

Trung Thanh Ngo, Hajime Nagahara, Rin-ichiro Taniguchi

IEEE Transactions on Pattern Analysis and Machine Intelligence　p. 1-1　2021　Research paper (scientific journal)

CFA Handling and Quality Analysis for Compressive Light Field Camera

Kohei Sakai, Yasutaka Inagaki, Keita Takahashi, Toshiaki Fujii, Hajime Nagahara

ITE Transactions on Media Technology and Applications　Vol. 9　No. 1　p. 25-32　2021　Research paper (scientific journal)

GCNBoost: Artwork Classification by Label Propagation through a Knowledge Graph.

Cheikh Brahim El Vaigh, Noa Garcia, Benjamin Renoust, Chenhui Chu, Yuta Nakashima, Hajime Nagahara

CoRR　Vol. abs/2105.11852　2021　Research paper (scientific journal)

Development of a Vertex Finding Algorithm using Recurrent Neural Network.

Kiichi Goto, Taikan Suehara, Tamaki Yoshioka, Masakazu Kurata, Hajime Nagahara, Yuta Nakashima, Noriko Takemura, Masako Iwasaki

CoRR　Vol. abs/2101.11906　p. 167836-167836　2021　Research paper (scientific journal)

WRIME: A New Dataset for Emotional Intensity Estimation with Subjective and Objective Annotations.

Tomoyuki Kajiwara, Chenhui Chu, Noriko Takemura, Yuta Nakashima, Hajime Nagahara

Proceedings of the 2021 Conference of the North American Chapter of the Association for Computational Linguistics: Human Language Technologies(NAACL-HLT)　p. 2095-2104　2021　Research paper (international conference proceedings)

Information Hiding Using a Coded Aperture as a Key.

Tomoki Minamata, Shoma Ishida, Hiroki Hamasaki, Hiroshi Kawasaki, Hajime Nagahara, Satoshi Ono

17th International Conference on Machine Vision and Applications(MVA)　p. 1-5　2021　Research paper (international conference proceedings)

MTUNet: Few-Shot Image Classification With Visual Explanations.

Bowen Wang, Liangzhi Li, Manisha Verma, Yuta Nakashima, Ryo Kawasaki, Hajime Nagahara

IEEE Conference on Computer Vision and Pattern Recognition Workshops　p. 2294-2298　2021　Research paper (international conference proceedings)

Detecting Drowsy Learners at the Wheel of e-Learning Platforms With Multimodal Learning Analytics.

Ryosuke Kawamura, Shizuka Shirai, Noriko Takemura, Mehrasa Alizadeh, Mutlu Cukurova, Haruo Takemura, Hajime Nagahara

IEEE Access　Vol. 9　p. 115165-115174　2021　Research paper (scientific journal)

Noisy-LSTM: Improving Temporal Awareness for Video Semantic Segmentation.

Bowen Wang, Liangzhi Li, Yuta Nakashima, Ryo Kawasaki, Hajime Nagahara, Yasushi Yagi

IEEE Access　Vol. 9　p. 46810-46820　2021　Research paper (scientific journal)

Artificial IntelligenceによるCT画像を用いた食道癌リンパ節転移診断能の検討

小林 照之, 新岡 宏彦, 牧野 知紀, 山崎 誠, 山崎 翔平, 梁川 雅弘, 長原 一, 三宅 淳, 江口 英利, 土岐 祐一郎

日本食道学会学術集会プログラム・抄録集　Vol. 74回　p. 100-100　2020/12

Integrated optical measurement system: optical time-of-flight and optical coherence tomography

Juan Manuel, Franco Sánchez, Yuki Shimamoto, Shunya Masaki, Joel Cervantes, Quang Duc Pham, Keiichiro Kagawa, Hajime Nagahara, Yoshio Hayasaki

OSJ-OSA-OSK Joint Symposia on Optics　2020/11　Research paper (international conference proceedings)

Integration of time-of-flight distance measurement and optical coherence tomography for extending its operating range

Juan Manuel, Franco Sánchez, Shunya Masaki, Yuki Shimamoto, Joel Cervantes, Keiichiro Kagawa, Hajime Nagahara, Yoshio Hayasaki

SPIE/COS Photonics Asia Digital Forum　2020/10　Research paper (international conference proceedings)

Artificial IntelligenceによるCT画像を用いた食道癌リンパ節転移診断能の検討

林 芳矩, 新岡 宏彦, 牧野 知紀, 小林 照之, 山崎 翔平, 梁川 雅弘, 山崎 誠, 長原 一, 三宅 淳, 富山 憲幸, 江口 英利, 土岐 祐一郎

日本臨床外科学会雑誌　Vol. 81　No. 増刊　p. 519-519　2020/10

A fully automated grading system for the retinal arteriovenous crossing signs using deep neural network

Ryo Kawasaki, Liangzhi Li, Yuta Nakashima, Hajime Nagahara, Takayoshi Ohkubo, Kohji Nishida

Investigative Ophthalmology & Visual Science　2020/06　Research paper (scientific journal)

Heat environment increases mental workload even if learning efficiency is enhanced

Tsukasa Kimura, Noriko Takemura, Yuta Nakashima, Hirokazu Kobori, Hajime Nagahara, Masayuki Numao, Kazumitsu Shinohara

Annual Meeting of the Cognitive Neuroscience Society　2020/05　Research paper (international conference proceedings)

Video analytics in blended learning: Insights from learner-video interaction patterns

Mehrasa Alizadeh, Shizuka Shirai, Noriko Takemura, Shogo Terai, Yuta Nakashima, Hajime Nagahara, Haruo Takemura

Workshop on Addressing Drop-Out Rates in Higher Education　2020/05　Research paper (international conference proceedings)

Toward Predicting Learners’ Efficiency for Adaptive e-Learning

Yuta Nakashima, Hirokazu Kobori, Ryota Takaoka, Noriko Takemura, Tsukasa Kimura, Hajime Nagahara, Masayuki Numao, Kazumitsu Shinohara

International Conference on Learning Analytics and Knowledge　2020/05　Research paper (international conference proceedings)

Detecting Learner Drowsiness Based on Facial Expressions and Head Movements in Online Courses

Shogo Terai, Shizuka Shirai, Mehrasa Alizadeh, Ryosuke Kawamura, Noriko Takemura, Yuki Uranishi, Haruo Takemura, Hajime Nagahara

Proceedings of the 25th International Conference on Intelligent User Interfaces Companion　2020/03/17　Research paper (international conference proceedings)

SCOUTER: Slot Attention-based Classifier for Explainable Image Recognition.

Liangzhi Li, Bowen Wang, Manisha Verma, Yuta Nakashima, Ryo Kawasaki, Hajime Nagahara

CoRR　Vol. abs/2009.06138　2020　Research paper (scientific journal)

Constructing a Public Meeting Corpus.

Koji Tanaka, Chenhui Chu, Haolin Ren, Benjamin Renoust, Yuta Nakashima, Noriko Takemura, Hajime Nagahara, Takao Fujikawa

Proceedings of The 12th Language Resources and Evaluation Conference(LREC)　p. 1934-1940　2020　Research paper (international conference proceedings)

5D Light Field Synthesis from a Monocular Video.

Kyuho Bae, Andre Ivan, Hajime Nagahara, In Kyu Park

25th International Conference on Pattern Recognition(ICPR)　p. 7157-7164　2020　Research paper (international conference proceedings)

Action Recognition from a Single Coded Image.

Tadashi Okawara, Michitaka Yoshida, Hajime Nagahara, Yasushi Yagi

2020 IEEE International Conference on Computational Photography(ICCP)　Vol. PP　p. 1-11　2020　Research paper (international conference proceedings)

Estimation of wakefulness in video-based lectures based on multimodal data fusion.

Ryosuke Kawamura, Shizuka Shirai, Mehrasa Alizadeh, Noriko Takemura, Hajime Nagahara

UbiComp/ISWC '20: 2020 ACM International Joint Conference on Pervasive and Ubiquitous Computing and 2020 ACM International Symposium on Wearable Computers　p. 50-53　2020　Research paper (international conference proceedings)

Palm-Controlled Pointing Interface Using a Dynamic Photometric Stereo Camera.

Yoshio Matsuda, Takashi Komuro, Takuya Yoda, Hajime Nagahara, Shoji Kawahito, Keiichiro Kagawa

HCI International 2020 - Late Breaking Posters - 22nd International Conference　p. 142-147　2020　Research paper (international conference proceedings)

Acquiring Dynamic Light Fields Through Coded Aperture Camera.

Kohei Sakai, Keita Takahashi 0001, Toshiaki Fujii, Hajime Nagahara

Computer Vision - ECCV 2020 - 16th European Conference　p. 368-385　2020　Research paper (international conference proceedings)

YOLO in the Dark - Domain Adaptation Method for Merging Multiple Models.

Yukihiro Sasagawa, Hajime Nagahara

Computer Vision - ECCV 2020 - 16th European Conference　p. 345-359　2020　Research paper (international conference proceedings)

IDSOU at WNUT-2020 Task 2: Identification of Informative COVID-19 English Tweets.

Sora Ohashi, Tomoyuki Kajiwara, Chenhui Chu, Noriko Takemura, Yuta Nakashima, Hajime Nagahara

Proceedings of the Sixth Workshop on Noisy User-generated Text(W-NUT@EMNLP)　p. 428-433　2020　Research paper (international conference proceedings)

High-Speed Imaging Using CMOS Image Sensor With Quasi Pixel-Wise Exposure.

Michitaka Yoshida, Toshiki Sonoda, Hajime Nagahara, Kenta Endo, Yukinobu Sugiyama, Rin-Ichiro Taniguchi

IEEE Trans. Computational Imaging　Vol. 6　p. 463-476　2020　Research paper (scientific journal)

Improving topic modeling through homophily for legal documents.

Kazuki Ashihara, Cheikh Brahim El Vaigh, Chenhui Chu, Benjamin Renoust, Noriko Okubo, Noriko Takemura, Yuta Nakashima, Hajime Nagahara

Appl. Netw. Sci.　Vol. 5　No. 1　p. 77-77　2020　Research paper (scientific journal)

Joint Learning of Vessel Segmentation and Artery/Vein Classification with Post-processing.

Liangzhi Li, Manisha Verma, Yuta Nakashima, Ryo Kawasaki, Hajime Nagahara

CoRR　Vol. abs/2005.13337　2020　Research paper (scientific journal)

IterNet: Retinal Image Segmentation Utilizing Structural Redundancy in Vessel Networks.

Liangzhi Li, Manisha Verma, Yuta Nakashima, Hajime Nagahara, Ryo Kawasaki

IEEE Winter Conference on Applications of Computer Vision(WACV)　p. 3645-3654　2020　Research paper (international conference proceedings)

Warmer Environments Increase Implicit Mental Workload Even If Learning Efficiency Is Enhanced.

Tsukasa Kimura, Noriko Takemura, Yuta Nakashima, Hirokazu Kobori, Hajime Nagahara, Masayuki Numao, Kazumitsu Shinohara

Frontiers in psychology　Vol. 11　p. 568-568　2020　Research paper (scientific journal)

Use of Big Data in Historical Research: Cases of Australia

Takao Fujikawa,, Chenhui Chu, Tomoyuki Kajiwara,, Hajime Nagahara

The Studies in Western History　No. 268　p. 50-61　2019/12　Research paper (scientific journal)

Public Meeting Corpus Construction and Content Delivery

Chenhui Chu, Koji Tanaka, Haolin Ren, Benjamin Renoust, Yuta Nakashima, Noriko Takemura, Hajime Nagahara, Takao Fujikawa

Jinmoncom 2019　2019/12

Legal Information as a Complex Network: Improving Topic Modeling through Homophily

Kazuki Ashihara, Chenhui Chu, Benjamin Renoust, Noriko Okubo, Noriko Takemura, Yuta Nakashima, Hajime Nagahara

Complex Network　Vol. 882 SCI　p. 28-39　2019/12　Research paper (international conference proceedings)

Deep Compressive Sensing for Visual Privacy Protection in FlatCam Imaging

Thuong Nguyen Canh, Hajime Nagahara

ICCV workshop learning for computational imaging　2019/11　Research paper (international conference proceedings)

Historical and Modern Features for Buddha Statue Classification

Benjamin Renoust, Matheus Oliveira Franca, Jacob Chan, Van Le, Ayaka Uesaka, Yuta Nakashima, Hajime Nagahara, Juereng Wang, Yutaka Fujioka

The 1st workshop on Structuring and Understanding of Multimedia heritAge Contents　p. 23-30　2019/10　Research paper (international conference proceedings)

BUDA.ART: A Multimodal Content Based Analysis and Retrieval System for Buddha Statues

Benjamin Renoust, Matheus Oliveira Franca, Jacob Chan, Van Le, Ayaka Uesaka, Yuta Nakashima, Hajime Nagahara, Juereng Wang, Yutaka Fujioka

ACM Multimedia　2019/10　Research paper (international conference proceedings)

Efficacy of Novel Multispectral Imaging Device to Determine Anastomosis for Esophagogastrostomy.

Ryosuke Tsutsumi, Tetsuo Ikeda, Hajime Nagahara, Hiroshi Saeki, Yuichiro Nakashima, Eiji Oki, Yoshihiko Maehara, Makoto Hashizume

The Journal of surgical research　Vol. 242　p. 11-22　2019/10　Research paper (scientific journal)

温熱環境・学習効率・精神負荷の関係

木村司, 武村紀子, 中島悠太, 小堀寛和, 長原一, 沼尾正行, 篠原一光

ヒューマンインタフェースシンポジウム2019講演論文集　2019/09　Research paper (conference, symposium, etc.)

FACIAL EXPRESSION RECOGNITION WITH SKIP-CONNECTION TO LEVERAGE LOW-LEVEL FEATURES

Manisha Verma, Hirokazu Kobori, Yuta Nakashima, Noriko Takemura, Hajime Nagahara

International Conference on Image Processing　p. 51-55　2019/09　Research paper (international conference proceedings)

A 3-D DISPLAY PIPELINE FROM CODED-APERTURE CAMERA TO TENSOR LIGHT-FIELD DISPLAY THROUGH CNN

Keita Maruyama, Yasutaka Inagaki, Keita Takahashi, Toshiaki Fujii, Hajime Nagahara

International Conference on Image Processing　2019/09　Research paper (international conference proceedings)

TransCut2: Transparent Object Segmentation from a Light-Field Image

Yichao Xu, Hajime Nagahara, Atsushi Shimada, Rin-ichiro Taniguchi

IEEE Transactions on Computational Imaging　Vol. 5　No. 3　p. 465-477　2019/09　Research paper (scientific journal)

Deep learningによるCT画像を用いた食道癌リンパ節転移診断能の検討

小林 照之, 牧野 知紀, 新岡 宏彦, 山崎 誠, 田中 晃司, 梁川 雅弘, 長原 一, 三宅 淳, 森 正樹, 土岐 祐一郎

日本消化器外科学会総会　Vol. 74回　p. P20-2　2019/07

Artificial Intelligenceを用いた食道癌右反回神経リンパ節のCT転移診断能の検討

小林 照之, 新岡 宏彦, 牧野 知紀, 山崎 誠, 田中 晃司, 梁川 雅弘, 長原 一, 三宅 淳, 森 正樹, 土岐 祐一郎

日本食道学会学術集会プログラム・抄録集　Vol. 73回　p. 88-88　2019/06

Multi-tap macro-pixel based compressive ultra-high-speed CMOS image sensor

Keiichiro Kagawa, Tomoya Kokado, Yuto Sato, Futa Mochizuki, Hajime Nagahara, Taishi Takasawa, Keita Yasutomi, Shoji Kawahito

International Image Sensor Workshop　2019/06　Research paper (international conference proceedings)

Classification and restoration of compositely degraded images using deep learning

Jung Un Yun, Hajime Nagahara, In Kyu Park

Journal of Broadcast Engineering　Vol. 24　No. 3　p. 430-439　2019/05　Research paper (scientific journal)

Using Natural Language Processing to Develop an Automated Orthodontic Diagnostic System

Tomoyuki Kajiwara, Chihiro Tanikawa, Yuujin Shimizu, Chenhui Chu, Takashi Yamashiro, Hajime Nagahara

arXiv:1905.13601　Vol. abs/1905.13601　2019/05　Research paper (bulletin of university, research institution)

歴史新聞データからのコーパス構築

田中昂志, Chenhui Chu, 中島悠太, 武村紀子, 長原一, 藤川隆男

言語処理学会 第25回年次大会　Vol. 25th　p. 1065-1068　2019/03

多国間法律の比較と統計分析のための多言語機械翻訳

Chenhui Chu, 梶原智之, 中島悠太, 長原一, 渡辺理和, 大久保規子

第119回人文科学とコンピュータ研究会発表会　2019/02

3D Image Reconstruction from Multi-focus Microscopic Images.

Takahiro Yamaguchi, Hajime Nagahara, Ken'ichi Morooka, Yuta Nakashima, Yuki Uranishi, Shoko Miyauchi, Ryo Kurazume

Image and Video Technology - PSIVT 2019 International Workshops　p. 73-85　2019　Research paper (international conference proceedings)

Reflectance and Shape Estimation with a Light Field Camera Under Natural Illumination.

Trung Ngo Thanh, Hajime Nagahara, Ko Nishino, Rin-ichiro Taniguchi, Yasushi Yagi

Int. J. Comput. Vis.　Vol. 127　No. 11-12　p. 1707-1722　2019　Research paper (scientific journal)

Coded Computational Photography

NAGAHARA Hajime

International Workshop on Advanced Image Technology　2019/01　Research paper (international conference proceedings)

Coded Computational Photography

NAGAHARA Hajime

Korea-Japan workshop on Digital Holography and Information Photonics　2018/12　Research paper (international conference proceedings)

A Coded Aperture for Watermark Extraction from Defocused Images

Hiroki Hamasaki, Shingo Takeshita, Kentaro Nakai, Toshiki Sonoda, Hiroshi Kawasaki, Hajime Nagahara, Satoshi Ono

Asian Conference on Computer Vision　2018/12　Research paper (international conference proceedings)

Computational photography using programmable sensors

NAGAHARA Hajime

International Workshop on Image Sensors and Imaging Systems　2018/11　Research paper (international conference proceedings)

Visualization of time-of-flight signals with normalized and calibrated phasor plot

Ryota Miyagi, Keiichiro Kagawa, Yuta Murakami, Hajime Nagahara, Keita Yasutomi, Shoji Kawahito

International Workshop on Image Sensors and Imaging Systems　2018/11　Research paper (international conference proceedings)

Designing Coded Aperture Camera Based on PCA and NMF for Light Field Acquisition

Yusuke Yagi, Keita Takahashi, Toshiaki Fujii, Toshiki Sonoda, Hajime Nagahara

IEICE Transactions　2018/09　Research paper (scientific journal)

Joint optimization for compressive video sensing and reconstruction under hardware constraints

Michitaka Yoshida, Akihiko Torii, Masatoshi Okutomi, Kenta Endo, Yukinobu Sugiyama, Rin-ichiro Taniguchi, Hajime Nagahara

European Conference on Computer Vision　p. 649-663　2018/09　Research paper (international conference proceedings)

Learning to Capture Light Fields through a Coded Aperture Camera

Yasutaka Inagaki, Yuto Kobayashi, Keita Takahashi, Toshiaki Fujii, Hajime Nagahara

European Conference on Computer Vision　2018/09

Fall detection using optical level anonymous image sensing system

Chao Ma, Atsushi Shimada, Hideaki Uchiyama, Hajime Nagahara, Rin-ichiro Taniguchi

Optics & Laser Technology　2018/07　Research paper (scientific journal)

Space-Time-Brightness Sampling Using an Adaptive Pixel-Wise Coded Exposure

Hajime Nagahara, Toshiki Sonoda, Dengyu Liu, Jinwei Gu

CVPR workshop on Computational Cameras and Displays　2018/05

The dynamic photometric stereo method using a multi-tap CMOS image sensor

Takuya Yoda, Hajime Nagahara, Rin-Ichiro Taniguchi, Keiichiro Kagawa, Keita Yasutomi, Shoji Kawahito

Sensors (Switzerland)　Vol. 18　No. 3　2018/03/05　Research paper (scientific journal)

Incremental Structural Modeling on Sparse Visual SLAM

Rafael Alves Roberto, Hideaki Uchiyama, João Paulo Lima, Hajime Nagahara, Rin-ichiro Taniguchi, Veronica Teichrieb

IPSJ Transactions on Computer Vision and Applications　Vol. 9　No. 5　2018/03

PCA-coded aperture for light field photography

Yusuke Yagi, Keita Takahashi, Toshiaki Fujii, Toshiki Sonoda, Hajime Nagahara

Proceedings - International Conference on Image Processing, ICIP　Vol. 2017-　p. 3031-3035　2018/02/20　Research paper (international conference proceedings)

Hyperspectral imaging for measuring vegetation indices

Makoto Ohsaki, Hajime Nagahara, Rin-Ichiro Taniguchi

The International Workshop on Frontiers of Computer Vision　2018/02

How does CNN grasp transparent object features?

Roland Sireyjol, Atsushi Shimada, Tsubasa Minematsu, Hajime Nagahara, Rin-ichiro Taniguchi

The International Workshop on Frontiers of Computer Vision　2018/02

Adapting Local Features for Face Detection in Thermal Image

Chao Ma, Ngo Thanh Trung, Hideaki Uchiyama, Hajime Nagahara, Atsushi Shimada, Rin-ichiro Taniguchi

MDPI Sensors　Vol. 17　No. 12　2017/11　Research paper (scientific journal)

Depth from Defocus 法およびそのオートフォーカスへの応用

安木俊介, グエン カン, 河村 岳, 長原 一

日本光学会 光学　Vol. 46　No. 10　p. 407-409　2017/10　Research paper (scientific journal)

Adaptive background model registration for moving cameras

Tsubasa Minematsu, Hideaki Uchiyama, Atsushi Shimada, Hajime Nagahara, Rin-ichiro Taniguchi

PATTERN RECOGNITION LETTERS　Vol. 96　p. 86-95　2017/09　Research paper (scientific journal)

Incremental structural modeling on sparse visual SLAM

Rafael Roberto, Hideaki Uchiyama, Joao Paulo Lima, Hajime Nagahara, Rin-Ichiro Taniguchi, Veronica Teichrieb

Proceedings of the 15th IAPR International Conference on Machine Vision Applications, MVA 2017　Vol. MVA2017　p. 30-33　2017/07/19　Research paper (international conference proceedings)

Reflectance and Shape Estimation with a Light Field Camera under Natural Illumination.

Trung Ngo Thanh, Hajime Nagahara, Ko Nishino, Rin-ichiro Taniguchi, Yasushi Yagi

British Machine Vision Conference 2017(BMVC)　Vol. BMVC2017　2017　Research paper (international conference proceedings)

Mixed Features for Face Detection in Thermal Image

Chao Ma, Ngo Thanh Trung, Hideaki Uchiyama, Hajime Nagahara, Atsushi Shimada, Rin-Ichiro Taniguchi

THIRTEENTH INTERNATIONAL CONFERENCE ON QUALITY CONTROL BY ARTIFICIAL VISION 2017　Vol. 10338　2017　Research paper (international conference proceedings)

Hyperspectral imaging using flickerless active LED illumination

Makoto Ohsaki, Hajime Nagahara, Tetsuo Ikeda, Rin-ichiro Taniguchi

THIRTEENTH INTERNATIONAL CONFERENCE ON QUALITY CONTROL BY ARTIFICIAL VISION 2017　Vol. 10338　2017　Research paper (international conference proceedings)

Reflectance and Shape Estimation with a Light Field Camera under Natural Illumination.

Trung Ngo Thanh, Hajime Nagahara, Ko Nishino, Rin-ichiro Taniguchi, Yasushi Yagi

International Journal of Computer Vision　p. 1-16　2017　Research paper (international conference proceedings)

Analysis of Effectiveness and Acceptability for Personalized Eco-Feedback

Masaki Igarashi, Atsushi Shimada, Hajime Nagahara, Rin-ichiro Taniguchi

The 12th Joint Workshop on Machine Perception and Robotics　Vol. MPR2016　2016/11　Research paper (international conference proceedings)

Mixed Feature for Face Detection in Thermal Image

Chao Ma, Ngo Thanh Trung, Hideaki Uchiyama, Hajime Nagahara, Atsushi Shimada, Rin-ichiro Taniguchi

The 12th Joint Workshop on Machine Perception and Robotics　Vol. MPR2016　2016/11　Research paper (international conference proceedings)

Structure from Motion for Unordered Fisheye Images

Naoyuki Maeda, Amandine Paulo-Guieu, Ngo Thanh Trung, Hideaki Uchiyama, Hajime Nagahara, Rin-ichiro Taniguchi

The 12th Joint Workshop on Machine Perception and Robotics　Vol. MPR2016　2016/11　Research paper (international conference proceedings)

Hyperspectral imaging using flickerless active LED lighting

Makoto Ohsaki, Hajime Nagahara, Tetsuo Ikeda, Rin-ichiro Taniguchi

The 12th Joint Workshop on Machine Perception and Robotics　Vol. MPR2016　2016/11　Research paper (international conference proceedings)

3D surveillance system using camera array

Hideaki Uchiyama, Atsushi Shimada, Hajime Nagahara, Rin-ichiro Taniguchi

he 11th International Workshop on Information Search, Integration, and Personalization　Vol. ISIP2016　2016/11　Research paper (international conference proceedings)

Evaluation of Effectiveness and Acceptability of Personalized Feedback for Efficient Energy Usage

Masaki Igarashi, Atsushi Shimada, Hajime Nagahara, Rin-ichiro Taniguchi

he 11th International Workshop on Information Search, Integration, and Personalization　Vol. ISIP2016　2016/11　Research paper (international conference proceedings)

Background light ray modeling for change detection

Atsushi Shimada, Hajime Nagahara, Rin-ichiro Taniguchi

JOURNAL OF VISUAL COMMUNICATION AND IMAGE REPRESENTATION　Vol. 38　p. 55-64　2016/07　Research paper (scientific journal)

High-speed imaging using CMOS image sensor with quasi pixel-wise exposure

Hajime Nagahara, Toshiki Sonoda, Kenta Endo, Yukinobu Sugiyama, Rin-Ichiro Taniguchi

2016 IEEE International Conference on Computational Photography, ICCP 2016 - Proceedings　Vol. IWISS2016　2016/06/15　Research paper (international conference proceedings)

High-speed imaging using CMOS image sensor with quasi pixel-wise exposure

Hajime Nagahara, Toshiki Sonoda, Kenta Endo, Yukinobu Sugiyama, Rin-Ichiro Taniguchi

2016 IEEE International Conference on Computational Photography, ICCP 2016 - Proceedings　Vol. ICIP2016　2016/06/15　Research paper (international conference proceedings)

Computational 3D imaging

Hajime Nagahara

Display week　2016/06　Research paper (international conference proceedings)

Exponentially Weighted Update of Histogram for Background Modeling Reducing Memory Usage

Minematsu Tsubasa, Igarashi Masaki, Shimada Atsushi, Nagahara Hajime, Taniguchi Rin-ichiro

The Journal of the Institute of Image Electronics Engineers of Japan　Vol. 45　No. 2　p. 191-200　2016/03　Research paper (scientific journal)

Introduction to computational photography

Hajime Nagahara

Workshop on Image Processing and Image Understanding　Vol. IPIU2016　2016/02　Research paper (international conference proceedings)

Detection of Road Boundary in Images Captured under Heavy Snow Environments

Tsubasa Minematsu, Atsushi Shimada, Hajime Nagahara, Hajime Imura, Kenro Aihara, Rin-ichiro Taniguchi

The 22nd Korea-Japan Joint Workshop on Frontiers of Computer Vision　Vol. FCV2016　p. 228-232-228-232　2016/02　Research paper (international conference proceedings)

Bundler for Fisheye Camera Models

Naoyuki Maeda, Amandine Paulo-Guieu, Ngo Thanh Trung, Hideaki Uchiyama, Hajime Nagahara, Rin-ichiro Taniguchi

The 22nd Korea-Japan Joint Workshop on Frontiers of Computer Vision　Vol. FCV2016　p. 182-186-182-186　2016/02　Research paper (international conference proceedings)

Exponentially weighted update of histogram for background modeling reducing memory usage

Tsubasa Minematsu, Masaki Igarashi, Atsushi Shimada, Hajime Nagahara, Rin-Ichiro Taniguchi

Journal of the Institute of Image Electronics Engineers of Japan　Vol. 45　No. 2　p. 191-200　2016　Research paper (scientific journal)

WiP Abstract: Human-Assisted Power Demand Forecasting Based on Action Plan Declaration.

Masaki Igarashi, Atsushi Shimada, Hajime Nagahara, Rin-ichiro Taniguchi

7th ACM/IEEE International Conference on Cyber-Physical Systems, ICCPS 2016, Vienna, Austria, April 11-14, 2016　2016

Dynamic Photometric Stereo Method using Multi-Tap CMOS Image Sensor

Takuya Yoda, Hajime Nagahara, Rin-ichiro Taniguchi, Keiichiro Kagawa, Keita Yasutomi, Shoji Kawahito

2016 23RD INTERNATIONAL CONFERENCE ON PATTERN RECOGNITION (ICPR)　Vol. ICPR2016　p. 2356-2361　2016　Research paper (international conference proceedings)

High-Speed Imaging using CMOS Image Sensor with Quasi Pixel-Wise Exposure

Toshiki Sonoda, Hajime Nagahara, Kenta Endo, Yukinobu Sugiyama, Rin-ichiro Taniguchi

2016 IEEE INTERNATIONAL CONFERENCE ON COMPUTATIONAL PHOTOGRAPHY (ICCP)　p. 81-91　2016　Research paper (international conference proceedings)

Dynamic Photometric Stereo Method using Multi-Tap CMOS Image Sensor

Takuya Yoda, Hajime Nagahara, Rin-ichiro Taniguchi, Keiichiro Kagawa, Keita Yasutomi, Shoji Kawahito

2016 23RD INTERNATIONAL CONFERENCE ON PATTERN RECOGNITION (ICPR)　Vol. IWISS2016　p. 2356-2361　2016　Research paper (international conference proceedings)

Real-time surface of revolution reconstruction on dense SLAM

Liming Yang, Hideaki Uchiyama, Jean-Marie Normand, Guillaume Moreau, Hajime Nagahara, Rin-ichiro Taniguchi

PROCEEDINGS OF 2016 FOURTH INTERNATIONAL CONFERENCE ON 3D VISION (3DV)　Vol. 3DV2016　p. 28-36　2016　Research paper (international conference proceedings)

4D Light Field Segmentation with Spatial and Angular Consistencies

Hajime Mihara, Takuya Funatomi, Kenichiro Tanaka, Hiroyuki Kubo, Hajime Nagahara, Yasuhiro Mukaigawa

2016 IEEE INTERNATIONAL CONFERENCE ON COMPUTATIONAL PHOTOGRAPHY (ICCP)　Vol. ICIP2016　p. 54-61　2016　Research paper (international conference proceedings)

Image annotation with incomplete labelling by modelling image specific structured loss

Xing Xu, Atsushi Shimada, Hajime Nagahara, Rin-ichiro Taniguchi, Li He

IEEJ TRANSACTIONS ON ELECTRICAL AND ELECTRONIC ENGINEERING　Vol. 11　No. 1　p. 73-82　2016/01　Research paper (scientific journal)

Dynamic Photometric Stereo Method using Multi-Tap CMOS Image Sensor

Takuya Yoda, Hajime Nagahara, Rin-ichiro Taniguchi, Keiichiro Kagawa, Keita Yasutomi, Shoji Kawahito

2016 23RD INTERNATIONAL CONFERENCE ON PATTERN RECOGNITION (ICPR)　Vol. 18　No. 3　p. 2356-2361　2016　Research paper (international conference proceedings)

Dynamic Photometric Stereo Method using Multi-Tap CMOS Image Sensor

Takuya Yoda, Hajime Nagahara, Rin-ichiro Taniguchi, Keiichiro Kagawa, Keita Yasutomi, Shoji Kawahito

2016 23RD INTERNATIONAL CONFERENCE ON PATTERN RECOGNITION (ICPR)　p. 2356-2361　2016　Research paper (international conference proceedings)

Graph-based visualization tool for person re-identification

Maiya Hori, Etienne Pot, Atsushi Shimada, Hajime Nagahara, Rin-ichiro Taniguchi

The 11th Joint Workshop on Machine Perception and Robotics　Vol. MPR2015　2015/11　Research paper (international conference proceedings)

Background subtraction for a moving camera using re-projection error

Tsubasa Minematsu, Hideaki Uchiyama, Atsushi Shimada, Hajime Nagahara, Rin-ichiro Taniguchi

The 11th Joint Workshop on Machine Perception and Robotics　Vol. MPR2015　2015/11　Research paper (international conference proceedings)

Camera array calibration for light field acquisition

Yichao Xu, Kazuki Maeno, Hajime Nagahara, Rin-ichiro Taniguchi

FRONTIERS OF COMPUTER SCIENCE　Vol. 9　No. 5　p. 691-702　2015/10　Research paper (scientific journal)

Light field distortion feature for transparent object classification

Yichao Xu, Kazuki Maeno, Hajime Nagahara, Atsushi Shimada, Rin-ichiro Taniguchi

COMPUTER VISION AND IMAGE UNDERSTANDING　Vol. 139　p. 122-135　2015/10　Research paper (scientific journal)

Tutorial 2: Computational Imaging and Projection.

Shinsaku Hiura, Hajime Nagahara, Daisuke Iwai, Toshiyuki Amano

2015 IEEE International Symposium on Mixed and Augmented Reality, ISMAR 2015, Fukuoka, Japan, September 29 - Oct. 3, 2015　2015/09/29

Light field Vision - Light field imaging and its applications for scene understanding-

Hajime Nagahara

JSAP-OSA Joint Symposia 2015　2015/09　Research paper (international conference proceedings)

道路平面画像を用いた積雪環境下での路面幅推定

峰松 翼, 島田 敬士, 長原 一, 猪村 元, 相原 健郎, 谷口 倫一郎

第21回画像センシングシンポジウム(SSII2015)　2015/06　Research paper (conference, symposium, etc.)

Similar gait action recognition using an inertial sensor

Trung Thanh Ngo, Yasushi Makihara, Hajime Nagahara, Yasuhiro Mukaigawa, Yasushi Yagi

PATTERN RECOGNITION　Vol. 48　No. 4　p. 1289-1301　2015/04　Research paper (scientific journal)

Identification of Multi-Sensor Trajectory

Masaki Igarashi, Atsushi Shimada, Hajime Nagahara, Rin-ichiro Taniguchi

Proceedings of RISP International Workshop on Nonlinear Circuits, Communications and Signal Processing　p. 49-51-49-51　2015/02　Research paper (international conference proceedings)

Lensless imaging for wide field of view

Hajime Nagahara, Yasushi Yagi

OPTICAL ENGINEERING　Vol. 54　No. 2　p. 25114-25114　2015/02　Research paper (scientific journal)

2A1-S01 Abnormal behavior detection using privacy protected videos

TAKAKI Shuhei, IWASHITA Yumi, NAGAHARA Hajime, MOROOKA Kenichi, KURAZUME Ryo

The Proceedings of JSME annual Conference on Robotics and Mechatronics (Robomec)　Vol. 2015　No. 0　p. _2A1-S01_1-_2A1-S01_4　2015

Spatially-multiplexed MIMO markers.

Hideaki Uchiyama, Shinichiro Haruyama, Atsushi Shimada, Hajime Nagahara, Rin-ichiro Taniguchi

2015 IEEE Symposium on 3D User Interfaces, 3DUI 2015, Arles, France, March 23-24, 2015　p. 191-192　2015

TransCut: Transparent Object Segmentation from a Light-Field Image

Yichao Xu, Hajime Nagahara, Atsushi Shimada, Rin-ichiro Taniguchi

2015 IEEE INTERNATIONAL CONFERENCE ON COMPUTER VISION (ICCV)　Vol. ICCV2015　p. 3442-3450　2015　Research paper (international conference proceedings)

Estimating surface normals with depth image gradients for fast and accurate registration

Yosuke Nakagawa, Hideaki Uchiyama, Hajime Nagahara, Rin-ichiro Taniguchi

2015 INTERNATIONAL CONFERENCE ON 3D VISION　Vol. 3DV2015　p. 640-647　2015　Research paper (international conference proceedings)

ADAPTIVE SEARCH OF BACKGROUND MODELS FOR OBJECT DETECTION IN AGES TAKEN BY MOVING CAMERAS

Tsubasa Minematsu, Hideaki Uchiyama, Atsushi Shimada, Hajime Nagahara, Rin-ichiro Taniguchi

2015 IEEE INTERNATIONAL CONFERENCE ON IMAGE PROCESSING (ICIP)　Vol. ICIP2015　p. 2626-2630　2015　Research paper (international conference proceedings)

Change Detection on Light Field for Active Video Surveillance

Atsushi Shimada, Hajime Nagahara, Rin-ichiro Taniguchi

2015 12TH IEEE INTERNATIONAL CONFERENCE ON ADVANCED VIDEO AND SIGNAL BASED SURVEILLANCE (AVSS)　Vol. AVSS2015　2015　Research paper (international conference proceedings)

Person Re-identification Visualization Tool for Object Tracking across Non-overlapping Cameras

Etienne Pot, Maiya Hori, Atsushi Shimada, Hajime Nagahara, Rin-ichiro Taniguchi

2015 12TH IEEE INTERNATIONAL CONFERENCE ON ADVANCED VIDEO AND SIGNAL BASED SURVEILLANCE (AVSS)　Vol. AMMDS 2015　2015　Research paper (international conference proceedings)

Shape and Light Directions from Shading and Polarization

Trung Thanh Ngo, Hajime Nagahara, Rin-ichiro Taniguchi

2015 IEEE CONFERENCE ON COMPUTER VISION AND PATTERN RECOGNITION (CVPR)　Vol. CVPR2015　p. 2310-2318　2015　Research paper (international conference proceedings)

Scattering Tomography Using Ellipsoidal Mirror

Ryuichi Akashi, Hajime Nagahara, Yasuhiro Mukaigawa, Rin-ichiro Taniguchi

2015 21ST KOREA-JAPAN JOINT WORKSHOP ON FRONTIERS OF COMPUTER VISION　Vol. ICCP2015　2015　Research paper (international conference proceedings)

Evaluation of foreground detection methodology for a moving camera

Tsubasa Minematsu, Hideaki Uchiyama, Atsushi Shimada, Hajime Nagahara, Rin-ichiro Taniguchi

2015 21ST KOREA-JAPAN JOINT WORKSHOP ON FRONTIERS OF COMPUTER VISION　Vol. FCV2015　2015　Research paper (international conference proceedings)

Query expansion with pairwise learning in object retrieval challenge

Hao Liu, Xing Xu, Hideaki Uchiyama, Atsushi Shimada, Hajime Nagahara, Rin-ichiro Taniguchi

2015 21ST KOREA-JAPAN JOINT WORKSHOP ON FRONTIERS OF COMPUTER VISION　Vol. FCV2015　2015　Research paper (international conference proceedings)

Scattering Tomography Using Ellipsoidal Mirror

Ryuichi Akashi, Hajime Nagahara, Yasuhiro Mukaigawa, Rin-ichiro Taniguchi

2015 21ST KOREA-JAPAN JOINT WORKSHOP ON FRONTIERS OF COMPUTER VISION　Vol. FCV2015　2015　Research paper (international conference proceedings)

Computational Imaging

Hajime Nagahara

2nd Asian Image Sensors and Imaging Systems Symposium　Vol. AISISS2014　p. 75-76-75-76　2014/12　Research paper (international conference proceedings)

Learning multi-task local metrics for image annotation

Vol. DOI: 10.1007/s11042-014-2402-7　2014/12　Research paper (scientific journal)

Half-sweep imaging for depth from defocus

Shuhei Matsui, Hajime Nagahara, Rin-ichiro Taniguchi

IMAGE AND VISION COMPUTING　Vol. 32　No. 11　p. 954-964　2014/11　Research paper (scientific journal)

Light Field Vision

Hajime Nagahara

ACCV2014 AC workshop　2014/09　Research paper (international conference proceedings)

Image Acquisition for Free-View Displaying and Its Subjective-Objective Image Evaluations

Nagahara Hajime, Nakamura Yuta, Ide Yuto, Taniguchi Rin-ichiro

The Journal of the Institute of Image Electronics Engineers of Japan　Vol. 43　No. 4　p. 559-567　2014/09　Research paper (scientific journal)

Link Analysis among Sightseeing Spots based on Geo-Image Analysis --Towards Majority-based Route Recommendation in Sightseeing--

Kohei Tashiro, Atsushi Shimada, Hajime Nagahara, Rin-ichiro Taniguchi

The Fourth International Conference on Advances in Information Mining and Management　Vol. MMM2014　2014/07　Research paper (international conference proceedings)

Case-based background modeling: associative background database towards low-cost and high-performance change detection

Atsushi Shimada, Yosuke Nonaka, Hajime Nagahara, Rin-ichiro Taniguchi

MACHINE VISION AND APPLICATIONS　Vol. 25　No. 5　p. 1121-1131　2014/07　Research paper (scientific journal)

Object detection based on spatiotemporal background models

Satoshi Yoshinaga, Atsushi Shimada, Hajime Nagahara, Rin-ichiro Taniguchi

COMPUTER VISION AND IMAGE UNDERSTANDING　Vol. 122　p. 84-91　2014/05　Research paper (scientific journal)

Phase Estimation of a Single Quasi-Periodic Signal

Yasushi Makihara, Muhammad Rasyid Aqmar, Ngo Thanh Trung, Hajime Nagahara, Ryusuke Sagawa, Yasuhiro Mukaigawa, Yasushi Yagi

IEEE TRANSACTIONS ON SIGNAL PROCESSING　Vol. 62　No. 8　p. 2066-2079　2014/04　Research paper (scientific journal)

Orientation-Compensative Signal Registration for Owner Authentication Using an Accelerometer

Trung Thanh Ngo, Yasushi Makihara, Hajime Nagahara, Yasuhiro Mukaigawa, Yasushi Yagi

IEICE TRANSACTIONS ON INFORMATION AND SYSTEMS　Vol. E97D　No. 3　p. 541-553　2014/03　Research paper (scientific journal)

Selection of Representative Photos based on Sightseeing Behavior Analysis

Takashi Ito, Atsushi Shimada, Hajime Nagahara, Rin-ichiro Taniguchi

The 20th Korea-Japan Joint Workshop on Frontiers of Computer Vision　Vol. FCV2014　p. 388-391-388-391　2014/02　Research paper (international conference proceedings)

Spatio-temporal Background Model Considering Intensity Changes

Satoshi Yoshinaga, Atsushi Shimada, Hajime Nagahara, Rin-ichiro Taniguchi

The 20th Korea-Japan Joint Workshop on Frontiers of Computer Vision　Vol. FCV2014　p. 48-53-48-53　2014/02　Research paper (international conference proceedings)

DMD Camera for Pixel Exposure Coding

Ryuichi Akashi, Hajime Nagahara, Rin-ichiro Taniguchi

The 20th Korea-Japan Joint Workshop on Frontiers of Computer Vision　Vol. FCV2014　p. 43-47-43-47　2014/02　Research paper (international conference proceedings)

Exponentially Weighted Background Modeling

Tsubasa Minematsu, Masaki Igarashi, Atsushi Shimada, Hajime Nagahara, Rin-ichiro Taniguchi

The 20th Korea-Japan Joint Workshop on Frontiers of Computer Vision　Vol. FCV2014　p. 6-10-6-10　2014/02　Research paper (international conference proceedings)

Light Field Vision -Introduction to light field and beyond the next -

Hajime Nagahara

The 20th Korea-Japan Joint Workshop on Frontiers of Computer Vision　Vol. FCV2014　2014/02　Research paper (international conference proceedings)

Spatio-temporal background models for object detection

Satoshi Yoshinaga, Yosuke Nonaka, Atsushi Shimada, Hajime Nagahara, Rin-Ichiro Taniguchi

Background Modeling and Foreground Detection for Video Surveillance　p. 13-13-20　2014/01/01　Part of collection (book)

Anonymous camera for privacy protection

Yupeng Zhang, Yuheng Lu, Hajime Nagahara, Rin-ichiro Taniguchi

2014 22ND INTERNATIONAL CONFERENCE ON PATTERN RECOGNITION (ICPR)　Vol. ICPR2014　p. 4170-4175　2014　Research paper (international conference proceedings)

Light Transport Refocusing for Unknown Scattering Medium

Md. Abdul Mannan, Seiichi Tagawa, Toru Tamaki, Hajime Nagahara, Yasuhiro Mukaigawa, Yasushi Yagi

2014 22ND INTERNATIONAL CONFERENCE ON PATTERN RECOGNITION (ICPR)　Vol. ICPR2014　p. 4382-4387　2014　Research paper (international conference proceedings)

Motion-invariant coding using a programmable aperture camera

Toshiki Sonoda, Hajime Nagahara, Rin-Ichiro Taniguchi

IPSJ Transactions on Computer Vision and Applications　Vol. 6　p. 25-33　2014　Research paper (scientific journal)

Depth Estimation in Unknown Scattering Media by Light Transport Refocusing

Md. A. Mannan, S. Tagawa, Y. Mukaigawa, H. Nagahara, T. Tamaki, Y. Matsushita

The 17th SANKEN International Symposium　2014/01　Research paper (international conference proceedings)

The largest inertial sensor-based gait database and performance evaluation of gait-based personal authentication

Thanh Trung Ngo, Yasushi Makihara, Hajime Nagahara, Yasuhiro Mukaigawa, Yasushi Yagi

PATTERN RECOGNITION　Vol. 47　No. 1　p. 228-237　2014/01　Research paper (scientific journal)

Link Analysis among Sightseeing Spots based on Geo-Image Clustering

Kohei Tashiro, Atsushi Shimada, Hajime Nagahara, Rin-ichiro Taniguchi

Ｔhe 9th Joint Workshop on Machine Perception and Robotics　Vol. MPR2013　2013/10　Research paper (international conference proceedings)

Implementation of Pixel Coding Camera Using DMD

Ryuichi Akashi, Hajime Nagahara, Rin-ichiro Taniguchi

Ｔhe 9th Joint Workshop on Machine Perception and Robotics　Vol. MPR2013　2013/10　Research paper (international conference proceedings)

1 Light Field Vision and Coded Imaging

Nagahara Hajime

The Journal of the Institute of Television Engineers of Japan　Vol. 67　No. 8　p. 647-649　2013/08　Research paper (scientific journal)

Object detection based on spatio-temporal light field sensing

Atsushi Shimada, Hajime Nagahara, Rin-Ichiro Taniguchi

IPSJ Transactions on Computer Vision and Applications　Vol. 5　p. 129-133　2013/07　Research paper (scientific journal)

Mobile Camera Array Calibration for Light Field Acquisition

Yichao Xu, Kazuki Maeno, Hajime Nagahara, Rin-ichiro Taniguchi

International Conference on Quality Control by Artificial Vision　Vol. QCAV2013　p. 283-290-283-290　2013/05　Research paper (international conference proceedings)

Contribution estimation of participants for human interaction recognition

Yanli Ji, Atsushi Shimada, Hajime Nagahara, Rin-ichiro Taniguchi

IEEJ TRANSACTIONS ON ELECTRICAL AND ELECTRONIC ENGINEERING　Vol. 8　No. 3　p. 269-276　2013/05　Research paper (scientific journal)

Light Field Rectification From Camera Array Images

Yichao Xu, Kazuki Maeno, Hajime Nagahara, Rin-ichiro Taniguchi

International Conference on Computational Photography　Vol. ICCP2013　2013/04　Research paper (international conference proceedings)

Computational photography using programmable aperture

Hajime Nagahara, Rin-ichiro Taniguchi

1st Asian Workshop on Smart Sensor Systems　2013/03　Research paper (international conference proceedings)

Wide-area Object Tracking and Link Discovering Across Multiple Non-overlapping Sensors

Atsushi Shimada, Hajime Nagahara, Rin-ichiro Taniguchi

1st Asian Workshop on Smart Sensor Systems　2013/03　Research paper (international conference proceedings)

Case-Based Background Modeling for High Accuracy and Low Cost Background Subtraction

NONAKA Yosuke, SHIMADA Atsushi, NAGAHARA Hajime, TANIGUCHI Rin-ichiro

The IEICE transactions on information and systems (Japanese edetion)　Vol. J96-D　No. 3　p. 399-410　2013/03　Research paper (scientific journal)

Extraction of Representative Photos based on Travel Behavior Analysis

Record of Joint Conference of Electrical and Electronics Engineers in Kyushu　Vol. 2013　p. 324-324　2013

Recognition of Agricultural Work Using Time Series Motion Data

Record of Joint Conference of Electrical and Electronics Engineers in Kyushu　Vol. 2013　p. 325-325　2013

Object Detection Based on Spatio-temporal Light Field Sensing

Shimada Atsushi, Nagahara Hajime, Taniguchi Rin-ichiro

IMT　Vol. 8　No. 4　p. 1115-1119　2013

Hash-based early recognition of gesture patterns

Yoshiyasu Ko, Atsushi Shimada, Hajime Nagahara, Rin-ichiro Taniguchi

Artificial Life and Robotics　Vol. 17　No. 3-4　p. 476-482　2013　Research paper (scientific journal)

Real-Time Foreground Segmentation from Moving Camera based on Case-based Trajectory Classification

Yosuke Nonaka, Atsushi Shimada, Hajime Nagahara, Rin-ichiro Taniguchi

2013 SECOND IAPR ASIAN CONFERENCE ON PATTERN RECOGNITION (ACPR 2013)　p. 808-812　2013　Research paper (international conference proceedings)

Multi-layered Background Modeling for Complex Environment Surveillance

Satoshi Yoshinaga, Atsushi Shiniada, Hajime Nagahara, Rin-ichiro Taniguchi, Koichiro Kantani, Takeshi Naito

2013 SECOND IAPR ASIAN CONFERENCE ON PATTERN RECOGNITION (ACPR 2013)　Vol. ACPR2013　p. 278-283　2013　Research paper (international conference proceedings)

Light field distortion feature for transparent object recognition

Kazuki Maeno, Hajime Nagahara, Atsushi Shimada, Rin-Ichiro Taniguchi

Proceedings of the IEEE Computer Society Conference on Computer Vision and Pattern Recognition　Vol. CVPR2013　p. 2786-2793　2013　Research paper (international conference proceedings)

Background Modeling based on Bidirectional Analysis

Atsushi Shimada, Hajime Nagahara, Rin-ichiro Taniguchi

2013 IEEE CONFERENCE ON COMPUTER VISION AND PATTERN RECOGNITION (CVPR)　Vol. CVPR2013　p. 1979-1986　2013　Research paper (international conference proceedings)

Light field distortion feature for transparent object recognition

Kazuki Maeno, Hajime Nagahara, Atsushi Shimada, Rin-Ichiro Taniguchi

Proceedings of the IEEE Computer Society Conference on Computer Vision and Pattern Recognition　Vol. ICCP2013　p. 2786-2793　2013　Research paper (international conference proceedings)

Similar Gait-Activity Recognition using an Accelerometer

T.T. Ngo, Y. Makihara, H. Nagahara, Y. Mukaigawa, Y. Yagi

7th Int. Workshop on Robust Computer Vision　Vol. IWRC2013　2013/01　Research paper (international conference proceedings)

"Clickable Real World" Information Retrieval Application based on Geo-Visual Clustering

Takashi Ito, Atsushi Shimada, Hajime Nagahara, Rin-ichiro Taniguchi

PROCEEDINGS OF THE 19TH KOREA-JAPAN JOINT WORKSHOP ON FRONTIERS OF COMPUTER VISION (FCV 2013)　Vol. FCV2013　p. 22-25　2013　Research paper (international conference proceedings)

Background Model Based on Intensity Change Similarity Among Pixels

Satoshi Yoshinaga, Atsushi Shimada, Hajime Nagahara, Rin-ichiro Taniguchi

PROCEEDINGS OF THE 19TH KOREA-JAPAN JOINT WORKSHOP ON FRONTIERS OF COMPUTER VISION (FCV 2013)　Vol. FCV2013　p. 276-280　2013　Research paper (international conference proceedings)

A Proposal of Background Model Based on Changing Trend Similarity

Satoshi Yoshinaga, Atsushi Shimada, Hajime Nagahara, Rin-ichiro Taniguchi

International Symposium on Information Science and Electrical Engineering　p. 26-26　2013/01　Research paper (international conference proceedings)

Landmark Annotation Based on Geo-Image Clustering

Atsushi Shimada, Vincent Charvillat, Hajime Nagahara, Rin-ichiro Taniguchi

International Symposium on Information Science and Electrical Engineering　p. 23-23　2013/01　Research paper (international conference proceedings)

Light Field Distortion Feature for Transparent Object Recognition

Kazuki Maeno, Hajime Nagahara, Atsushi Shimada, Rin-ichiro Taniguchi

International Symposium on Information Science and Electrical Engineering　p. 20-20　2013/01　Research paper (international conference proceedings)

Geolocation based landmark detection and annotation-towards clickable real world-

Atsushi Shimada, Vincent Charvillat, Hajime Nagahara, Rin-Ichiro Taniguchi

IEEJ Transactions on Electronics, Information and Systems　Vol. 133　No. 1　p. 142-149　2013　Research paper (international conference proceedings)

A compact descriptor CHOG3D and its application in human action recognition

Yanli Ji, Atsushi Shimada, Hajime Nagahara, Rin-ichiro Taniguchi

IEEJ TRANSACTIONS ON ELECTRICAL AND ELECTRONIC ENGINEERING　Vol. 8　No. 1　p. 69-77　2013/01　Research paper (scientific journal)

Motion-invariant coding using a programmable aperture camera

Toshiki Sonoda, Hajime Nagahara, Rin-Ichiro Taniguchi

Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics)　Vol. 7727　No. 4　p. 379-391　2013　Research paper (international conference proceedings)

Background model based on statistical local difference pattern

Satoshi Yoshinaga, Atsushi Shimada, Hajime Nagahara, Rin-Ichiro Taniguchi

Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics)　Vol. 7728　No. 1　p. 327-332　2013　Research paper (international conference proceedings)

Early Gesture Recognition based on Uniqueness of a Posture

KAWASHIMA Manabu, SHIMADA Atsushi, NAGAHARA Hajime, TANIGUCHI Rin-ichiro

The Brain & Neural Networks　Vol. 19　No. 4　p. 167-174　2012/12　Research paper (scientific journal)

A Background Invariant Feature for Transparent Object Recognition

Kazuki Maeno, Hajime Nagahara, Atsushi Shimada, Rin-ichiro Taniguchi

The 8th Joint Workshop on Machine Perception and Robotics　Vol. MPR2012　2012/10　Research paper (international conference proceedings)

Motion Blur Coding with Virtual Camera Motion

Toshiki Sonoda, Hajime Nagahara, Rin-ichiro Taniguchi

The 8th Joint Workshop on Machine Perception and Robotics　Vol. MPR2012　2012/10　Research paper (international conference proceedings)

Motion-Invariant Coding Using a Programmable Aperture Camera

Toshiki Sonoda, Hajime Nagahara, Rin-ichiro Taniguchi

CVPR 2012 WORKSHOP FOR COMPUTATIONAL CAMERAS AND DISPLAYS　Vol. CCD2012　2012/06　Research paper (international conference proceedings)

SOM-based Human Action Recognition Using Local Feature Descriptor CHOG3D

Ji Yanli, Shimada Atsushi, Nagahara Hajime, Taniguchi Rin-ichiro

Vol. 17　No. 1　p. 1-8　2012/05/25

Landmark Detection based on Common Visual Features in Web Images

Atsushi Shimada, Vincent Charvillat, Hajime Nagahara, Rin-ichiro Taniguchi

the 18th Japan-Korea Joint Workshop on Frontiers of Computer Vision　Vol. FCV2012　p. 379-383-379-383　2012/02　Research paper (international conference proceedings)

Human-human Interaction Recognition by Estimating the Action Contribution of Participants

Yanli Ji, Atsushi Shimada, Hajime Nagahara, Rin-ichiro Taniguchi

the 18th Japan-Korea Joint Workshop on Frontiers of Computer Vision　Vol. FCV2012　p. 204-212-204-212　2012/02　Research paper (international conference proceedings)

Link Analysis among Sightseeing Spots by Geolocation Information of Images

Record of Joint Conference of Electrical and Electronics Engineers in Kyushu　Vol. 2012　p. 600-600　2012

Gesture Based Video Retrieval

Record of Joint Conference of Electrical and Electronics Engineers in Kyushu　Vol. 2012　p. 596-596　2012

Statistical Local Difference Pattern for Background Modeling

Yoshinaga Satoshi, Shimada Atsushi, Nagahara Hajime, Taniguchi Rin-ichiro

IMT　Vol. 7　No. 1　p. 268-280　2012

Inertial-sensor-based Walking Action Recognition using Robust Step Detection and Inter-class Relationships

Ngo Thanh Trung, Yasushi Makihara, Hajime Nagahara, Yasuhiro Mukaigawa, Yasushi Yagi

2012 21ST INTERNATIONAL CONFERENCE ON PATTERN RECOGNITION (ICPR 2012)　Vol. ICPR2012　p. 3811-3814　2012　Research paper (international conference proceedings)

Cooking gesture recognition using local feature and depth image

Yanli Ji, Yoshiyasu Ko, Atsushi Shimada, Hajime Nagahara, Rin-ichiro Taniguchi

CEA 2012 - Proceedings of the 2012 ACM Workshop on Multimedia for Cooking and Eating Activities, Co-located with ACM Multimedia 2012　p. 37-42　2012　Research paper (international conference proceedings)

Evaluation report of integrated background modeling based on spatio-temporal features

Yosuke Nonaka, Atsushi Shimada, Hajime Nagahara, Rin-Ichiro Taniguchi

IEEE Computer Society Conference on Computer Vision and Pattern Recognition Workshops　p. 9-14　2012　Research paper (international conference proceedings)

Performance evaluation of gait recognition using the largest inertial sensor-based gait database

Ngo Thanh Trung, Yasushi Makihara, Hajime Nagahara, Yasuhiro Mukaigawa, Yasushi Yagi

Proceedings - 2012 5th IAPR International Conference on Biometrics, ICB 2012　Vol. ICB2012　p. 360-366　2012　Research paper (international conference proceedings)

Programmable aperture camera using LCoS

Hajime Nagahara, Changyin Zhou, Takuya Watanabe, Hiroshi Ishiguro, Shreee K. Nayar

IPSJ Transactions on Computer Vision and Applications　Vol. 4　p. 1-11　2012　Research paper (scientific journal)

Focus Sweep Photography

Hajime Nagahara

The Sanken international Symposium　2012/01　Research paper (international conference proceedings)

Phase Registration in a Gallery Improving Gait Authentication

N. T. Trung, Y. Makihara, H. Nagahara, R. Sagawa, Y. Mukaigawa, Y. Yagi

The Sanken international Symposium　2012/01　Research paper (international conference proceedings)

Hash based Early Recognition of Gesture Patterns

Yoshiyasu Ko, Atsushi Shimada, Hajime Nagahara, Rin-ichiro Taniguchi

PROCEEDINGS OF THE SEVENTEENTH INTERNATIONAL SYMPOSIUM ON ARTIFICIAL LIFE AND ROBOTICS (AROB 17TH '12)　Vol. AROB2012　p. 1051-1054　2012　Research paper (international conference proceedings)

Multiple-Channel Streaming Delivery for Omnidirectional Vision System

Yoshio Iwai, Hajime Nagahara, Masahiko Yachida

ELECTRONICS AND COMMUNICATIONS IN JAPAN　Vol. 94　No. 11　p. 41-54　2011/11　Research paper (scientific journal)

Object Detection based on Stastical Local Feature

Satoshi Yoshinaga, Atsushi Shimada, Hajime Nagahara, Rin-ichiro Taniguchi

ENSEEIHT and Kyushu University Workshop on Data Mining and Media Processing　p. 1-1　2011/11　Research paper (international conference proceedings)

A Map-Reduce Platform for Image Processing

Kazuki Maeno, Atsushi Shimada, Hajime Nagahara, Rin-ichiro Taniguchi

ENSEEIHT and Kyushu University Workshop on Data Mining and Media Processing　p. 1-1　2011/11　Research paper (international conference proceedings)

Geolocation and Composition based Image Screening for Landmark Annotation

Atsushi Simada, Vincent Charvillat, Hajime Nagahara, Rin-ichiro Taniguchi

ENSEEIHT and Kyushu University Workshop on Data Mining and Media Processing　p. 1-1　2011/11　Research paper (international conference proceedings)

Extended Cameras

Hajime Nagahara

ENSEEIHT and Kyushu University Workshop on Data Mining and Media Processing　2011/11　Research paper (international conference proceedings)

Image Sensing Techniques by Devising Optics, Focus, and Sampling

Journal of the Japan Society for Precision Engineering　Vol. 77　No. 12　p. 1104-1108　2011/11　Research paper (scientific journal)

Global motion analysis based human-human interaction recognition with local features

Yanli Ji, Atsushi Shimada, Hajime Nagahara, Rin-ichiro Taniguchi

Proc. The 7th Joint Workshop on Machine Perception and Robotics　Vol. MPR2011　2011/10　Research paper (international conference proceedings)

Optical Flow based Activity Correlation Analysis in Multiple Non-overlapping Camera Views

Sumihiro Ohno, Atsushi Shimada, Hajime Nagahara, Rin-ichiro Taniguchi

Proc. The 7th Joint Workshop on Machine Perception and Robotics　Vol. MPR2011　2011/10　Research paper (international conference proceedings)

Landmark Annotation based on Geolocation and Image Composition

Naoyuki Abe, Atsushi Shimada, Hajime Nagahara, Rin-ichiro Taniguchi

Proc. The 7th Joint Workshop on Machine Perception and Robotics　Vol. MPR2011　2011/10　Research paper (international conference proceedings)

Depth from Defocus using Focus Sweep Camera

Shuhei Matsui, Hajime Nagahara, Rin-ichiro Taniguchi

Proc. The 7th Joint Workshop on Machine Perception and Robotics　Vol. MPR2011　2011/10　Research paper (international conference proceedings)

Half-sweep imaging for depth from defocus

Shuhei Matsui, Hajime Nagahara, Rin-Ichiro Taniguchi

Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics)　Vol. 7087　No. 1　p. 335-347　2011　Research paper (international conference proceedings)

Statistical local difference pattern for background modeling

Satoshi Yoshinaga, Atsushi Shimada, Hajime Nagahara, Rin-Ichiro Taniguchi

IPSJ Transactions on Computer Vision and Applications　Vol. 3　p. 198-210　2011　Research paper (international conference proceedings)

Geolocation based Image Annotation

Atsushi Shimada, Hajime Nagahara, Rin-ichiro Taniguchi, Vincent Charvillat

2011 FIRST ASIAN CONFERENCE ON PATTERN RECOGNITION (ACPR)　Vol. ACPR2011　p. 657-661　2011　Research paper (international conference proceedings)

Half-Sweep Imaging for Depth from Defocus

Shuhei Matsui, Hajime Nagahara, Rin-ichiro Taniguchi

ADVANCES IN IMAGE AND VIDEO TECHNOLOGY, PT I　Vol. 7087　No. LNCS7087　p. 335-347　2011　Research paper (international conference proceedings)

Phase registration in a gallery improving gait authentication

Ngo Thanh Trung, Yasushi Makihara, Hajime Nagahara, Ryusuke Sagawa, Yasuhiro Mukaigawa, Yasushi Yagi

2011 International Joint Conference on Biometrics, IJCB 2011　Vol. IJCB2011　No. 178　p. 1-7-1-7　2011　Research paper (international conference proceedings)

Adaptive template method for early recognition of gestures

Manabu Kawashima, Atsushi Shimada, Hajime Nagahara, Rin-Ichiro Taniguchi

2011 17th Korea-Japan Joint Workshop on Frontiers of Computer Vision, FCV 2011　Vol. FCV2011　2011　Research paper (international conference proceedings)

Phase registration of a single quasi-periodic signal using self dynamic time warping

Yasushi Makihara, Ngo Thanh Trung, Hajime Nagahara, Ryusuke Sagawa, Yasuhiro Mukaigawa, Yasushi Yagi

Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics)　Vol. 6494　No. 3　p. 667-678　2011　Research paper (international conference proceedings)

Flexible Depth of Field Photography

Sujit Kuthirummal, Hajime Nagahara, Changyin Zhou, Shree K. Nayar

IEEE TRANSACTIONS ON PATTERN ANALYSIS AND MACHINE INTELLIGENCE　Vol. 33　No. 1　p. 58-71　2011/01　Research paper (scientific journal)

Object Detention Using Local Difference Patterns

Satoshi Yoshinaga, Atsushi Shimada, Hajime Nagahara, Rin-ichiro Taniguchi

The Tenth Asian Conference on Computer Vision (ACCV2010)　Vol. ACCV2010　No. 4　p. 2316-2327-2316-2327　2010/11　Research paper (international conference proceedings)

Programmable Aperture Camera and Its Versatile Applications

Hajime Nagahara, Changyin Zhou, Takuya Watanabe, Hiroshi Ishiguro, Shree Nayar

Proc. The 6th Joint Workshop on Machine Perception and Robotics　Vol. MPR2010　No. OS4-1　2010/10　Research paper (international conference proceedings)

Background model dealing with local texture change

Satoshi Yoshinaga, Atsushi Shimada, Hajime Nagahara, Rin-ichiro Taniguchi

Proc. The 6th Joint Workshop on Machine Perception and Robotics　Vol. MPR2010　No. PS1-15　2010/10　Research paper (international conference proceedings)

Multiple Sensor Camera for Enhanced Video Capturing

NAGAHARA Hajime, KANKI Yoshinori, IWAI Yoshio, YACHIDA Masahiko

IEEJ Transactions on Electronics, Information and Systems　Vol. 130　No. 9　p. 1561-1571　2010/09/01　Research paper (scientific journal)

Multiple-channel Streaming Delivery for Omnidirectional Vision System

IWAI Yoshio, NAGAHARA Hajime, YACHIDA Masahiko

IEEJ Transactions on Electronics, Information and Systems　Vol. 130　No. 4　p. 712-722　2010/04/01　Research paper (scientific journal)

Image-Based Modeling from a High-resolution Route Panorama

Vol. 9　No. 1　p. 27-35　2010/03　Research paper (scientific journal)

Highly Robust Estimator Using a Case-dependent Residual Distribution Model

Thanh Ngo Trung, Nagahara Hajime, Sagawa Ryusuke, Mukaigawa Yasuhiro, Yachida Masahiko, Yagi Yasushi

Information and Media Technologies　Vol. 5　No. 1　p. 77-93　2010

IPSJ Transactions on Computer Vision and Applications: Message from the guest editors-in-chief

Hajime Nagahara, Ryusuke Sagawa, Pascal Vasseur, Shree K. Nayar

IPSJ Transactions on Computer Vision and Applications　Vol. 2　2010　Research paper (scientific journal)

Clickable Real World: Interaction with Real-world Landmarks using Mobile Phone Camera

Naoyuki Abe, Wataru Oogami, Atsushi Shimada, Hajime Nagahara, Rin-ichiro Taniguchi

TENCON 2010: 2010 IEEE REGION 10 CONFERENCE　Vol. TENCON2010　p. 914-917　2010　Research paper (international conference proceedings)

Programmable Aperture Camera Using LCoS

Hajime Nagahara, Changyin Zhou, Takuya Watanabe, Hiroshi Ishiguro, Shree K. Nayar

COMPUTER VISION - ECCV 2010, PT VI　Vol. 6316　No. LNCS6316　p. 337-+　2010　Research paper (international conference proceedings)

Real-Time Estimation of Fast Egomotion with Feature Classification Using Compound Omnidirectional Vision Sensor

Trung Thanh Ngo, Yuichiro Kojima, Hajime Nagahara, Ryusuke Sagawa, Yasuhiro Mukaigawa, Masahiko Yachida, Yasushi Yagi

IEICE TRANSACTIONS ON INFORMATION AND SYSTEMS　Vol. E93D　No. 1　p. 152-166　2010/01　Research paper (scientific journal)

Adaptive-scale robust estimator using distribution model fitting

Thanh Trung Ngo, Hajime Nagahara, Ryusuke Sagawa, Yasuhiro Mukaigawa, Masahiko Yachida, Yasushi Yagi

Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics)　Vol. 5996　No. 3　p. 287-298　2010　Research paper (international conference proceedings)

Image-Based Modeling from a High-Resolution Route Panorama

Ryuji Shibata, Hajime Nagahara

Proc. Int. workshop on Representation and Modeling of Large-scale 3D Environments　Vol. Modeling-3D　2009/09　Research paper (international conference proceedings)

A Generalized Omnidirectional Camera Model with Single Viewpoint and Constant Resolution

AOTAKE Takayuki, NAGAHARA Hajime, IWAI Yoshio, YACHIDA Masahiko

The IEICE transactions on information and systems　Vol. 92　No. 8　p. 1186-1196　2009/08/01　Research paper (scientific journal)

Omnidirectional Compound Camera and High-Resolution Video Delivery System

Vol. 2　No. 1　p. 1-13　2009/03　Research paper (scientific journal)

Highly robust estimator using a case-dependent residual distribution model

Ngo Trung Thanh, Hajime Nagahara, Ryusuke Sagawa, Yasuhiro Mukaigawa, Masahiko Yachida, Yasushi Yagi

IPSJ Transactions on Computer Vision and Applications　Vol. 1　p. 260-276　2009　Research paper (international conference proceedings)

An Adaptive-Scale Robust Estimator for Motion Estimation

Trung Ngo Thanh, Hajime Nagahara, Ryusuke Sagawa, Yasuhiro Mukaigawa, Masahiko Yachida, Yasushi Yagi

ICRA: 2009 IEEE INTERNATIONAL CONFERENCE ON ROBOTICS AND AUTOMATION, VOLS 1-7　Vol. ICRA2009　p. 1673-+　2009　Research paper (international conference proceedings)

Flexible Depth of Field Photography

Hajime Nagahara, Sujit Kuthirummal, Changyin Zhou, Shree K. Nayar

COMPUTER VISION - ECCV 2008, PT IV, PROCEEDINGS　Vol. 5305　No. LNCS 5305　p. 60-+　2008　Research paper (international conference proceedings)

Depth Estimation from the Color Drift of a Route Panorama

Hajime Nagahara, Atsushi Ichikawa, Masahiko Yachida

2008 IEEE/RSJ INTERNATIONAL CONFERENCE ON ROBOTS AND INTELLIGENT SYSTEMS, VOLS 1-3, CONFERENCE PROCEEDINGS　Vol. IROS2008　p. 4066-4071　2008　Research paper (international conference proceedings)

Robust and real-time egomotion estimation using a compound omnidirectional sensor

Trung Ngo Thanh, Hajime Nagahara, Ryusuke Sagawa, Yasuhiro Mukaigawa, Masahiko Yachida, Yasushi Yagi

2008 IEEE INTERNATIONAL CONFERENCE ON ROBOTICS AND AUTOMATION, VOLS 1-9　Vol. ICRA2008　p. 492-497　2008　Research paper (international conference proceedings)

3D Reconstruction from Omnidirectional Image Volume

Tomoo Ebiyama, Hajime Nagahara, Masahiko Yachida

Proc. ACCV'07 Workshop on Multi-dimensional and Multi-view Image Processing　No. MM-O-08　p. 53-58-53-58　2007/11　Research paper (international conference proceedings)

Designing Server for High-resolution HyerOmni VIsion Delivery System

Uetani Takumi, Iwai Yoshio, Nagahara Hajime, Yachida Masahiko

Vol. 6　No. 14　p. 451-454　2007/09　Research paper (scientific journal)

Robust and Real-time Rotation Estimation of Compound Omnidirectional Sensor

Trung Ngo Thanh, Hajime Nagahara, Ryusuke Sagawa, Yasuhiro Mukaigawa, Masahiko Yachida, Yasushi Yagi

Proc. IEEE Int. Conf. Robotics and Automation　Vol. ICRA2007　p. 4226-4231-4226-4231　2007/04　Research paper (international conference proceedings)

Generation of High Resolution Video Using Morphing

MATSUNOBU Toru, NAGAHARA Hajime, IWAI Yoshio, YACHIDA Masahiko, SUZUKI Toshiya

The IEICE transactions on information and systems　Vol. 90　No. 4　p. 1073-1084　2007/04/01　Research paper (scientific journal)

An omnidirectional vision sensor with single view and constant resolution

Hajime Nagahara, Koji Yoshida, Masahiko Yachida

2007 IEEE 11TH INTERNATIONAL CONFERENCE ON COMPUTER VISION, VOLS 1-6　Vol. ICCV2007　p. 2135-2142　2007　Research paper (international conference proceedings)

An omnidirectional vision sensor with single view and constant resolution

Hajime Nagahara, Koji Yoshida, Masahiko Yachida

2007 IEEE 11TH INTERNATIONAL CONFERENCE ON COMPUTER VISION, VOLS 1-6　Vol. J90-D　No. 8　p. 2135-2142　2007　Research paper (international conference proceedings)

Super wide field of view head mounted display using catadioptrical optics

Hajime Nagahara, Yasushi Yagi, Masahiko Yachida

PRESENCE-TELEOPERATORS AND VIRTUAL ENVIRONMENTS　Vol. 15　No. 5　p. 588-598　2006/10　Research paper (scientific journal)

Simultaneous Localization and Mapping Using Monocular and Binocular Estimators

p. 207-210　2006/09　Research paper (scientific journal)

Video Synthesis with High Spatio-temporal Resolution using Motion Compensation and Image Fusion in Wavelet Domain

Vol. 47　No. SIG 10(CVIM 15)　p. 195-207　2006/07　Research paper (scientific journal)

Video synthesis with high spatio-temporal resolution using motion compensation and spectral fusion

Kiyotaka Watanabe, Yoshio Iwai, Hajime Nagahara, Masahiko Yachida, Toshiya Suzuki

IEICE TRANSACTIONS ON INFORMATION AND SYSTEMS　Vol. E89D　No. 7　p. 2186-2196　2006/07　Research paper (scientific journal)

Dual Sensor Camera System with Different Spatial-Temporal Resolution

Vol. 47　No. SIG5(CVIM13)　p. 35-44　2006/03　Research paper (scientific journal)

Stereo SLAM using two estimators

Trung Ngo Thanh, Yusuke Sakaguchi, Hajime Nagahara, Masahiko Yachida

2006 IEEE INTERNATIONAL CONFERENCE ON ROBOTICS AND BIOMIMETICS, VOLS 1-3　Vol. ROBIO2006　No. M1-1　p. 19-+　2006　Research paper (international conference proceedings)

An omnidirectional vision sensor with single viewpoint and constant resolution

Koji Yoshida, Hajime Nagahara, Masahiko Yachida

2006 IEEE/RSJ INTERNATIONAL CONFERENCE ON INTELLIGENT ROBOTS AND SYSTEMS, VOLS 1-12　Vol. IROS2006　p. 4792-+　2006　Research paper (international conference proceedings)

Video synthesis with high spatio-temporal resolution using spectral fusion

Kiyotaka Watanabe, Yoshio Iwai, Hajime Nagahara, Masahiko Yachida, Toshiya Suzuki

MULTIMEDIA CONTENT REPRESENTATION, CLASSIFICATION AND SECURITY　Vol. 4105　No. LNCS4105　p. 683-690　2006　Research paper (scientific journal)

High-resolution video generation using morphing

Hajime Nagahara, Toru Matsunobu, Yoshio Iwai, Masahiko Yachida, Toshiya Suzuki

18TH INTERNATIONAL CONFERENCE ON PATTERN RECOGNITION, VOL 4, PROCEEDINGS　Vol. ICPR2006　p. 338-+　2006　Research paper (international conference proceedings)

Calibration of rotating line camera for spherical imaging

T Hirota, H Nagahara, M Yachida

COMPUTER VISION - ACCV 2006, PT I　Vol. 3851　p. 389-398　2006　Research paper (scientific journal)

Video synthesis with high spatio-temporal resolution using motion compensation and image fusion in wavelet domain

K Watanabe, Y Iwai, H Nagahara, M Yachida, T Suzuki

COMPUTER VISION - ACCV 2006, PT I　Vol. 3851　p. 480-489　2006　Research paper (scientific journal)

Dual sensor camera system with different spatiotemporal resolution

HOSHIKAWA A.

Proc. SICE Annual Conf., 2005　No. TA2-05-4　p. 2115-2121-2115-2121　2005/08　Research paper (international conference proceedings)

Video Synthesis with High Spatio-Temporal Resolution Using Motion Compensation and Spectral Fusion

Kiyotaka Watanabe, Yoshio Iwai, Hajime Nagahara, Masahiko Yachida, Hiroyuki Tanaka

SICE Annual Conference　No. TA2-05-3　p. 2109-2114-2109-2114　2005/08　Research paper (international conference proceedings)

Generation of High Resolution Video Using Morphing

MATSUNOBU T.

Proc. SICE2005　No. TA2-05-2　p. 2101-2108-2101-2108　2005/08　Research paper (international conference proceedings)

Dual-sensor camera for acquiring image sequences with different spatio-temporal resolution

H Nagahara, A Hoshikawa, T Shigemoto, Y Iwai, M Yachida, H Tanaka

AVSS 2005: Advanced Video and Signal Based Surveillance, Proceedings　Vol. AVSS2005　p. 450-455　2005　Research paper (international conference proceedings)

Wide Field of View Catadioptrical Head Mounted Display

NAGAHARA Hajime, YAGI Yasushi, YACHIDA Masahiko

The IEICE transactions on information and systems Pt. 2　Vol. J88-D-II　No. 1　p. 95-104　2005/01　Research paper (scientific journal)

Immersive Head Mounted Display

Hajime Nagahara, Yasushi Yagi, Masahiko Yachida

Proc. Int. Conf. Virtual System and Multimedia　Vol. VSMM2004　p. 99-108-99-108　2004/11　Research paper (international conference proceedings)

Generation of High Resolution Video Sequence from Two Video Sequences with Different Spatio-temporal Frequencies

Vol. Vol. 3　No. 4　p. 169-172　2004/09　Research paper (scientific journal)

Super wide viewer using catadioptrical optics

H Nagahara, Y Yagi, M Yachida

ACM TRANSACTIONS ON GRAPHICS　Vol. 23　No. 3　p. 732-732　2004/08　Research paper (scientific journal)

Super Wide Viewing for Tele-operation

Vol. Issue3, vol3　p. 693-698　2004/05　Research paper (scientific journal)

Super Wide Viewing for Tele-operation

Hajime Nagahara, Yasushi Yagi, Masahiko Yachida

Proc . WSEAS Int. Conf. Instrumentation, Measurement, Control, Circuits and Systems　Vol. IMCCAS04　2004/04　Research paper (international conference proceedings)

Super wide viewer using catadioptrical optics

Hajime Nagahara, Yasushi Yagi, Masahiko Yachida

ACM SIGGRAPH 2004 Papers, SIGGRAPH 2004　Vol. SIGGRAPH2004　p. 732-732　2004　Research paper (international conference proceedings)

Wide Field of View Catadioptrical Head-Mounted Display

Hajime Nagahara, Yasushi Yagi, Masahiko Yachida

Proc. IEEE/RSJ Int. Conf. Intelligent Robots and Systems　Vol. IROS2003　p. 3738-3743-3738-3743　2003/10　Research paper (international conference proceedings)

Super wide viewer using catadioptrical optics

Hajime Nagahara, Yasushi Yagi, Masahiko Yachida

Proceedings of the ACM Symposium on Virtual Reality Software and Technology, VRST　Vol. 129026　p. 169-175　2003/10/01　Research paper (international conference proceedings)

Superresolution modeling using an omnidirectional image sensor

H Nagahara, Y Yagi, M Yachida

IEEE TRANSACTIONS ON SYSTEMS MAN AND CYBERNETICS PART B-CYBERNETICS　Vol. 33　No. 4　p. 607-615　2003/08　Research paper (scientific journal)

Super-resolution modeling and visualization system with wide field of view

H Nagahara, Y Yagi, M Yachida

SICE 2003 ANNUAL CONFERENCE, VOLS 1-3　Vol. SICE2003　No. WPI-12-1　p. 3224-3229　2003　Research paper (international conference proceedings)

Super wide view tele-operation system

H Nagahara, Y Yagi, H Kitamura, M Yachida

PROCEEDINGS OF THE IEEE INTERNATIONAL CONFERENCE ON MULTISENSOR FUSION AND INTEGRATION FOR INTELLIGENT SYSTEMS　Vol. MFI2003　p. 149-154　2003　Research paper (international conference proceedings)

Super-resolution modeling

H. Nagahara, Y. Yagi, M. Yachida

IEEE International Conference on Multisensor Fusion and Integration for Intelligent Systems　Vol. 2003-　p. 215-221　2003　Research paper (international conference proceedings)

Wide Field of View Head Mounted Display for Tele-presence with An Omnidirectional Image Sensor

Hajime Nagahara, Yasushi Yagi, Masahiko Yachida

IEEE Computer Society Conference on Computer Vision and Pattern Recognition Workshops　Vol. 7　2003　Research paper (international conference proceedings)

Resolution improving method for a 3D environment modeling using onmidirectional image sensor

H Nagahara, Y Yagi, M Yachida

2002 IEEE INTERNATIONAL CONFERENCE ON ROBOTICS AND AUTOMATION, VOLS I-IV, PROCEEDINGS　Vol. ICRA2002　p. 900-907　2002　Research paper (international conference proceedings)

High-resolution Modeling of 3D Environment Using Omnidirectional Image Sensor

Vol. 42　No. SIG13(CVIM3)　p. 90-98　2001/12　Research paper (scientific journal)

Resolution Improving Method from a Sub-pixel Displaced Omnidirectional Image Sequence

NAGAHARA Hajime, YAGI Yasushi, YACHIDA Masahiko

Transactions of the Institute of Systems, Control and Information Engineers　Vol. 45　No. 6　p. 322-329　2001/06　Research paper (scientific journal)

Resolution improving method from multi-focal omnidirectional images

H Nagahara, Y Yagi, M Yachida

2001 INTERNATIONAL CONFERENCE ON IMAGE PROCESSING, VOL I, PROCEEDINGS　Vol. ICIP2001　p. 654-657　2001　Research paper (international conference proceedings)

Resolution improving method from multi-focal omnidirectional images

H Nagahara, Y Yagi, M Yachida

2001 INTERNATIONAL CONFERENCE ON IMAGE PROCESSING, VOL I, PROCEEDINGS　Vol. J84-D-II　No. 8　p. 654-657　2001　Research paper (international conference proceedings)

Image-Based Modeling from a High-Resolution Route Panorama

Hajime Nagahara, Yasushi Yagi, Masahiko Yachida

Proc. IEEE Int. Conf. Industrial Electronics, Control and Instrumentation　Vol. IECON2000　p. 2559-2564-2559-2564　2000/10　Research paper (international conference proceedings)

Super-resolution from an omnidirectional image sequence

H Nagahara, Y Yagi, M Yachida

IECON 2000: 26TH ANNUAL CONFERENCE OF THE IEEE INDUSTRIAL ELECTRONICS SOCIETY, VOLS 1-4　p. 2559-2564　2000　Research paper (international conference proceedings)

Super-resolution for an omnidirectional vision sensor

H Nagahara, Y Yagi, M Yachida

ADVANCED ROBOTICS　Vol. 14　No. 5　p. 427-429　2000　Research paper (scientific journal)