Lexical Acquisition during Dialogues through Implicit Confirmation.

Kazunori Komatani, Kohei Ono, Ryu Takeda, Eric Nichols, Mikio Nakano

Dialogue and Discourse　Vol. 13　No. 1　p. 96-122　2022/06　Research paper (scientific journal)

Effects of Physiological Signals in Different Types of Multimodal Sentiment Estimation

Shun Katada, Shogo Okada, Kazunori Komatani

IEEE Transactions on Affective Computing　Vol. 14　No. 3　p. 1-1　2022　Research paper (scientific journal)

Multimodal Human-Agent Dialogue Corpus with Annotations at Utterance and Dialogue Levels

Kazunori Komatani, Shogo Okada

2021 9th International Conference on Affective Computing and Intelligent Interaction (ACII)　p. 1-8　2021/09/28　Research paper (international conference proceedings)

Knowledge Graph Completion-based Question Selection for Acquiring Domain Knowledge through Dialogues

Kazunori Komatani, Yuma Fujioka, Keisuke Nakashima, Katsuhiko Hayashi, Mikio Nakano

26th International Conference on Intelligent User Interfaces　p. 531-541　2021/04/14　Research paper (international conference proceedings)

User Impressions of Questions to Acquire Lexical Knowledge.

Kazunori Komatani, Mikio Nakano

Proceedings of the SIGdial 2020 Conference　p. 147-156　2020/07　Research paper (international conference proceedings)

Multitask Prediction of Exchange-level Annotations for Multimodal Dialogue Systems.

Yuki Hirano, Shogo Okada, Haruto Nishimoto, Kazunori Komatani

International Conference on Multimodal Interaction, ICMI 2019, Suzhou, China, October 14-18, 2019　p. 85-94　2019/10　Research paper (international conference proceedings)

Multimodal Dialogue Data Collection and Analysis of Annotation Disagreement

Kazunori Komatani, Shogo Okada, Haruto Nishimoto, Masahiro Araki, Mikio Nakano

International Workshop on Spoken Dialogue Systems (IWSDS)　p. 201-213　2019/04　Research paper (international conference proceedings)

User-Adaptive A Posteriori Restoration for Incorrectly Segmented Utterances in Spoken Dialogue Systems

Kazunori Komatani, Naoki Hotta, Satoshi Sato, Mikio Nakano

Dialogue and Discourse　Vol. 8　No. 2　p. 206-224　2017/12　Research paper (scientific journal)

Lexical Acquisition through Implicit Confirmations over Multiple Dialogues.

Kohei Ono, Ryu Takeda, Eric Nichols, Mikio Nakano, Kazunori Komatani

Proceedings of the 18th Annual SIGdial Meeting on Discourse and Dialogue, Saarbrücken, Germany, August 15-17, 2017　p. 50-59　2017/08　Research paper (international conference proceedings)

Question selection based on expected utility to acquire information through dialogue

Kazunori Komatani, Tsugumi Otsuka, Satoshi Sato, Mikio Nakano

Lecture Notes in Electrical Engineering　Vol. 999　p. 79-91　2017　Research paper (international conference proceedings)

Posteriori Restoration of Turn-Taking and ASR Results for Incorrectly Segmented Utterances

K. Komatani, N. Hotta, S. Sato, M. Nakano

IEICE Transactions on Information and Systems　Vol. E98D　No. 11　p. 1923-1931　2015/11　Research paper (scientific journal)

Automatic Allocation of Training Data for Speech Understanding Based on Multiple Model Combinations

Kazunori Komatani, Mikio Nakano, Masaki Katsumaru, Kotaro Funakoshi, Tetsuya Ogata, Hiroshi G. Okuno

IEICE TRANSACTIONS ON INFORMATION AND SYSTEMS　Vol. E95D　No. 9　p. 2298-2307　2012/09　Research paper (scientific journal)

発語行為レベルの情報をユーザ発話の解釈に用いる音声対話システム

駒谷 和範, 松山 匡子, 武田 龍, 高橋 徹, 尾形 哲也, 奥乃 博

情報処理学会論文誌　Vol. 52　No. 12　p. 3374-3385　2011　Research paper (scientific journal)

Selecting Help Messages by Using Robust Grammar Verification for Handling Out-of-Grammar Utterances in Spoken Dialogue Systems

Kazunori Komatani, Yuichiro Fukubayashi, Satoshi Ikeda, Tetsuya Ogata, Hiroshi G. Okuno

IEICE TRANSACTIONS ON INFORMATION AND SYSTEMS　Vol. E93D　No. 12　p. 3359-3367　2010/12　Research paper (scientific journal)

Online Error Detection of Barge-In Utterances by Using Individual Users' Utterance Histories in Spoken Dialogue System.

Kazunori Komatani, Hiroshi G. Okuno

Proceedings of the SIGDIAL 2010 Conference, The 11th Annual Meeting of the Special Interest Group on Discourse and Dialogue, 24-15 September 2010, Tokyo, Japan　p. 289-296　2010

Automatic Allocation of Training Data for Rapid Prototyping of Speech Understanding based on Multiple Model Combination.

Kazunori Komatani, Masaki Katsumaru, Mikio Nakano, Kotaro Funakoshi, Tetsuya Ogata, Hiroshi G. Okuno

COLING 2010, 23rd International Conference on Computational Linguistics, Posters Volume, 23-27 August 2010, Beijing, China　p. 579-587　2010　Research paper (international conference proceedings)

A model of temporally changing user behaviors in a deployed spoken dialogue system

Kazunori Komatani, Tatsuya Kawahara, Hiroshi G. Okuno

Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics)　Vol. 5535　p. 409-414　2009　Research paper (international conference proceedings)

Managing out-of-grammar utterances by topic estimation with domain extensibility in multi-domain spoken dialogue systems

Kazunori Komatani, Satoshi Ikeda, Tetsuya Ogata, Hiroshi G. Okuno

SPEECH COMMUNICATION　Vol. 50　No. 10　p. 863-870　2008/10　Research paper (scientific journal)

Multi-Domain Spoken Dialogue System with Extensibility and Robustness against Speech Recognition Errors.

Kazunori Komatani, Naoyuki Kanda, Mikio Nakano, Kazuhiro Nakadai, Hiroshi Tsujino, Tetsuya Ogata, Hiroshi G. Okuno

Proceedings of the SIGDIAL 2006 Workshop, The 7th Annual Meeting of the Special Interest Group on Discourse and Dialogue, 15-16 July 2006, Sydney, Australia　p. 9-17　2006　Research paper (international conference proceedings)

User Modeling in Spoken Dialogue Systems to Generate Flexible Guidance

Kazunori Komatani, Shinichi Ueno, Tatsuya Kawahara, Hiroshi G. Okuno

User Modeling and User-Adapted Interaction　Vol. 15　No. 1-2　p. 169-183　2005/03　Research paper (scientific journal)

Reducing Orthographic Dependency on Paired Data by Probabilistic Integration via Syllabogram for Japanese Dialogue Speech Recognition

Ryu Takeda, Kazunori Komatani

Asia Pacific Signal and Information Processing Association Annual Summit and Conference (APSIPA ASC)　2025/10　Research paper (international conference proceedings)

Estimating User Sentiment at Sub-exchange Granularity from Exchange-level Annotations

Daichi Yukizawa, Kenta Yamamoto, Ryu Takeda, Kazunori Komatani

Asia Pacific Signal and Information Processing Association Annual Summit and Conference (APSIPA ASC)　2025/10　Research paper (international conference proceedings)

Generating Diverse Personas for User Simulators to Test Interview Dialogue Systems

Mikio Nakano, Kazunori Komatani, Hironori Takeuchi

Annual SIGDIAL Meeting on Discourse and Dialogue (SIGDIAL)　p. 678-696　2025/08　Research paper (international conference proceedings)

Developing Classifiers for Affirmative and Negative User Responses with Limited Target Domain Data for Dialogue System Development Tools

Yunosuke Kubo, Ryo Yanagimoto, Mikio Nakano, Kenta Yamamoto, Ryu Takeda, Kazunori Komatani

International Workshop on Spoken Dialogue Systems (IWSDS)　p. 309-317　2025/05　Research paper (international conference proceedings)

Analysis of Voice Activity Detection Errors in API-based Streaming ASR for Human-Robot Dialogue

Kenta Yamamoto, Ryu Takeda, Kazunori Komatani

International Workshop on Spoken Dialogue Systems (IWSDS)　p. 245-253　2025/05　Research paper (international conference proceedings)

A Methodology for Identifying Evaluation Items for Practical Dialogue Systems based on Business-Dialogue System Alignment Models

Mikio Nakano, Hironori Takeuchi, Kazunori Komatani

International Workshop on Spoken Dialogue Systems (IWSDS)　p. 225-237　2025/05　Research paper (international conference proceedings)

ユーザ返答パターンを用いた音節列と単語境界の同時推定に基づく音声対話中の未知語認識

大塩 幹, 武田 龍, 駒谷 和範

電子情報通信学会論文誌D　Vol. J108-D　No. 4　p. 128-137　2025/04　Research paper (scientific journal)

Self-Reported Sentiment Estimation with Attention Mechanism to Integrate Time-Series Physiological Signals andWord Sequences

Shun Katada, Shogo Okada, Kazunori Komatani

Transactions of the Japanese Society for Artificial Intelligence　Vol. 40　No. 2　p. B-O72_1　2025/03/01　Research paper (scientific journal)

Influence of Personality Traits and Demographics on Rapport Recognition Using Adversarial Learning

Wenqing Wei, Sixia Li, Candy Olivia Mawalim, Xiguang Li, Kazunori Komatani, Shogo Okada

Multimodal Technologies and Interaction　2025/02/20　Research paper (scientific journal)

Scale-invariant Online Voice Activity Detection under Various Environments

Ryu Takeda, Kazunori Komatani

2024 Asia Pacific Signal and Information Processing Association Annual Summit and Conference (APSIPA ASC)　p. 1-6　2024/10　Research paper (international conference proceedings)

Incremental Multimodal Sentiment Analysis on HAI Based on Multitask Active Learning with Inter-Annotator Agreement

Thus Karnjanapatchara, Sixia Li, Candy Olivia Mawalim, Kazunori Komatani, Shogo Okada

International Conference on Affective Computing and Intelligent Interaction (ACII)　p. 72-79　2024/09　Research paper (international conference proceedings)

Travel Agency Task Dialogue Corpus: A Multimodal Dataset with Age-Diverse Speakers

Michimasa Inaba, Yuya Chiba, Zhiyang Qi, Ryuichiro Higashinaka, Kazunori Komatani, Yusuke Miyao, Takayuki Nagai

ACM Transactions on Asian and Low-Resource Language Information Processing　Vol. 23　No. 9　p. 1-23　2024/08/16　Research paper (scientific journal)

119 番通報要領の事前知識が迅速性と 正確性におよぼす影響―模擬通報場面による実験的検討―

塩谷尚正, 木村昌紀, 北小屋 裕, 駒谷和範

社会安全学研究　Vol. 14　p. 47-62　2024/03/31　Research paper (scientific journal)

Toward OOV-word Acquisition during Spoken Dialogue using Syllable-based ASR and Word Segmentation

Ryu Takeda, Kazunori Komatani

International Workshop on Spoken Dialogue Systems (IWSDS)　2024/03　Research paper (international conference proceedings)

Evaluating Dialogue Systems from the System Owners' Perspectives.

Mikio Nakano, Hisahiro Mukai, Yoichi Matsuyama, Kazunori Komatani

International Workshop on Spoken Dialogue Systems (IWSDS)　2024/03　Research paper (international conference proceedings)

Link Prediction Based on Large Language Model and Knowledge Graph Retrieval under Open-World and Resource-Restricted Environment

Ryu Takeda, Hokuto Munakata, Kazunori Komatani

International Joint Conference on Knowledge Graphs (IJCKG 2023)　2023/12　Research paper (international conference proceedings)

User-adaptive Tourist Information Dialogue System with Yes/No Classifier and Sentiment Estimator.

Ryo Yanagimoto, Yunosuke Kubo, Miki Oshio, Mikio Nakano, Kenta Yamamoto, Kazunori Komatani

CoRR　Vol. abs/2312.13787　2023/12　Research paper (conference, symposium, etc.)

Speech Emotion Recognition using Threshold Fusion for Enhancing Audio Sensitivity.

Zhaojie Luo, Stefan Christiansson, Bence Ladóczki, Kazunori Komatani

MMAsia (Workshops)　p. 3-5　2023/12　Research paper (international conference proceedings)

Knowledge Graph Augmentation with Entity Identification for Improving Knowledge Graph Completion Performance

Shuichi Chikatsuji, Kenta Yamamoto, Ryu Takeda, Kazunori Komatani

Pacific Rim International Conference on Artificial Intelligence (PRICAI 2023)　2023/11　Research paper (international conference proceedings)

Flexible Evidence Model to Reduce Uncertainty Mismatch Between Speech Enhancement and ASR Based on Encoder-Decoder Architecture

Ryu Takeda, Yui Sudo, Kazunori Komatani

Asia Pacific Signal and Information Processing Association Annual Summit and Conerence (APSIPA ASC)　2023/11　Research paper (international conference proceedings)

Out-Of-Vocabulary Word Detection in Spoken Dialogues Based on Joint Decoding with User Response Patterns

Miki Oshio, Hokuto Munakata, Ryu Takeda, Kazunori Komatani

Asia Pacific Signal and Information Processing Association Annual Summit and Conerence (APSIPA ASC)　2023/11　Research paper (international conference proceedings)

Multi-Modal Emotion Recognition Based on 2D Kernel Density Estimation for Multiple Labels Fusion

Zhaojie Luo, Kazunori Komatani

Asia Pacific Signal and Information Processing Association Annual Summit and Conerence (APSIPA ASC)　2023/11　Research paper (international conference proceedings)

対話状況やユーザに適応的に振る舞う対話システムのための基盤構築

東中 竜一郎, 駒谷 和範, 宮尾 祐介, 稲葉 通将, 港 隆史, 槇原 靖

人工知能　Vol. 38　No. 5　p. 714-721　2023/09　Research paper (scientific journal)

Recursive Sound Source Separation with Deep Learning-based Beamforming for Unknown Number of Sources

Hokuto Munakata, Ryu Takeda, Kazunori Komatani

INTERSPEECH 2023　p. 1688-1692　2023/08/20　Research paper (international conference proceedings)

Joint Separation and Localization of Moving Sound Sources Based on Neural Full-Rank Spatial Covariance Analysis

Hokuto Munakata, Yoshiaki Bando, Ryu Takeda, Kazunori Komatani, Masaki Onishi

IEEE Signal Processing Letters　Vol. 30　p. 384-388　2023/04　Research paper (scientific journal)

Multimodal Dialogue Corpus Hazumi

Komatani Kazunori, Okada Shogo

Journal of Natural Language Processing　Vol. 29　No. 4　p. 1322-1329　2022/12　Research paper (scientific journal)

Transformer-Based Physiological Feature Learning for Multimodal Analysis of Self-Reported Sentiment.

Shun Katada, Shogo Okada, Kazunori Komatani

ICMI　p. 349-358　2022/11　Research paper (international conference proceedings)

Empirical Sampling from Latent Utterance-wise Evidence Model for Missing Data ASR based on Neural Encoder-Decoder Model

Ryu Takeda, Yui Sudo, Kazuhiro Nakadai, Kazunori Komatani

Interspeech 2022　p. 3789-3793　2022/09/18　Research paper (international conference proceedings)

Training Data Generation with DOA-based Selecting and Remixing for Unsupervised Training of Deep Separation Models

Hokuto Munakata, Ryu Takeda, Kazunori Komatani

Interspeech 2022　p. 861-865　2022/09/18　Research paper (international conference proceedings)

Collection and Analysis of Travel Agency Task Dialogues with Age-Diverse Speakers.

Michimasa Inaba, Yuya Chiba, Ryuichiro Higashinaka, Kazunori Komatani, Yusuke Miyao, Takayuki Nagai

LREC　p. 5759-5767　2022/06　Research paper (international conference proceedings)

Graph-combined Coreference Resolution Methods on Conversational Machine Reading Comprehension with Pre-trained Language Model.

Zhaodong Wang, Kazunori Komatani

Proceedings of the Second DialDoc Workshop on Document-grounded Dialogue and Conversational Question Answering(DialDoc@ACL)　p. 72-82　2022/05　Research paper (international conference proceedings)

Design and release of a multimodal dialogue corpus

Komatani Kazunori

THE JOURNAL OF THE ACOUSTICAL SOCIETY OF JAPAN　Vol. 78　No. 5　p. 265-270　2022/05/01　Research paper (scientific journal)

Design Guidelines for Developing Systems for Dialogue System Competitions

Takeda Ryu, Komatani Kazunori, Nakashima Keisuke, Nakano Mikio

Transactions of the Japanese Society for Artificial Intelligence　Vol. 37　No. 3　p. IDS-B_1-9　2022/05/01　Research paper (scientific journal)

Noise-robust classification of single-shot electron spin readouts using a deep neural network

Yuta Matsumoto, Takafumi Fujita, Arne Ludwig, Andreas D. Wieck, Kazunori Komatani, Akira Oiwa

npj Quantum Information　Vol. 7　No. 1　2021/12　Research paper (scientific journal)

Multiple-Embedding Separation Networks: Sound Class-Specific Feature Extraction for Universal Sound Separation.

Hokuto Munakata, Ryu Takeda, Kazunori Komatani

APSIPA ASC　p. 961-967　2021/12　Research paper (international conference proceedings)

Spatial Normalization to Reduce Positional Complexity in Direction-aided Supervised Binaural Sound Source Separation.

Ryu Takeda, Kazuhiro Nakadai, Kazunori Komatani

APSIPA ASC　p. 248-253　2021/12　Research paper (international conference proceedings)

Multimodal User Satisfaction Recognition for Non-task Oriented Dialogue Systems

Wenqing Wei, Sixia Li, Shogo Okada, Kazunori Komatani

Proceedings of the 2021 International Conference on Multimodal Interaction　p. 586-594　2021/10/18　Research paper (international conference proceedings)

Recognizing Social Signals with Weakly Supervised Multitask Learning for Multimodal Dialogue Systems

Yuki Hirano, Shogo Okada, Kazunori Komatani

Proceedings of the 2021 International Conference on Multimodal Interaction　p. 141-149　2021/10/18　Research paper (international conference proceedings)

Age Estimation with Speech-Age Model for Heterogeneous Speech Datasets

Ryu Takeda, Kazunori Komatani

Interspeech 2021　p. 4164-4168　2021/08/30　Research paper (international conference proceedings)

Estimating Exchange-Level Annotations with Multitask Learning for Multimodal Dialogue Systems

Yuki Hirano, Shogo Okada, Haruto Nishimoto, Kazunori Komatani

電子情報通信学会論文誌 A(Web)　Vol. J104-A　No. 2　p. 84-94　2021/02　Research paper (scientific journal)

Frame-Wise Online Unsupervised Adaptation of DNN-HMM Acoustic Model from Perspective of Robust Adaptive Filtering

Ryu Takeda, Kazunori Komatani

Interspeech 2020　p. 4164-4168　2020/10/25　Research paper (international conference proceedings)

Is She Truly Enjoying the Conversation?

Shun Katada, Shogo Okada, Yuki Hirano, Kazunori Komatani

Proceedings of the 2020 International Conference on Multimodal Interaction　p. 315-323　2020/10/21　Research paper (international conference proceedings)

A framework for building closed-domain chat dialogue systems

Mikio Nakano, Kazunori Komatani

Knowledge-Based Systems　Vol. 204　p. 106212-106212　2020/09　Research paper (scientific journal)

Attribute Prediction of Unknown Lexical Entities Based on Mixture of Bayesian Segmentation Model

Ryu Takeda, Kazunori Komatani

Life Long Learning for Spoken Language Systems Workshop　2019/12　Research paper (international conference proceedings)

Binarized Knowledge Graph Embeddings.

Koki Kishimoto, Katsuhiko Hayashi, Genki Akai, Masashi Shimbo, Kazunori Komatani

Advances in Information Retrieval - 41st European Conference on IR Research　p. 181-196　2019/04　Research paper (international conference proceedings)

Clarifying Privacy, Property, and Power: Case Study on Value Conflict Between Communities.

Arisa Ema, Hirotaka Osawa, Reina Saijo, Akinori Kubo, Takushi Otani, Hiromitsu Hattori, Naonori Akiya, Nobutsugu Kanzaki, Minao Kukita, Kazunori Komatani, Ryutaro Ichise

Proceedings of the IEEE　Vol. 107　No. 3　p. 575-581　2019　Research paper (scientific journal)

Word Segmentation From Phoneme Sequences Based On Pitman-Yor Semi-Markov Model Exploiting Subword Information.

Ryu Takeda, Kazunori Komatani, Alexander I. Rudnicky

IEEE Workshop on Spoken Language Technology (SLT)　p. 763-770　2018/12　Research paper (international conference proceedings)

Learning to describe multimodally from parallel unimodal data? A pilot study on verbal and sketched object descriptions

T. Han, S. Zariess, K. Komatani, D. Schlangen

Workshop on the Semantics and Pragmatics of Dialogue (SEMDIAL2018 (AixDial))　2018/11　Research paper (other academic)

Predicting when drivers need AR navigation. The 8th Biennial Workshop on DSP for In-Vehicle and Mobile Systems

K. Yamabe, C. Suga, T. Misu, R. Takeda, K. Komatani

The 8th Biennial Workshop on DSP for In-Vehicle and Mobile Systems　2018/10　Research paper (other academic)

Multi-timescale Feature-extraction Architecture of Deep Neural Networks for Acoustic Model Training from Raw Speech Signal

Ryu Takeda, Kazuhiro Nakadai, Kazunori Komatani

2018 IEEE/RSJ International Conference on Intelligent Robots and Systems (IROS)　p. 2503-2510　2018/10　Research paper (international conference proceedings)

Proceedings of the 19th Annual SIGdial Meeting on Discourse and Dialogue, Melbourne, Australia, July 12-14, 2018

SIGDIAL Conference 2018　2018/07　Research paper (other academic)

Investigating Effectiveness of Linguistic Features Based on Speech Recognition for Storytelling Skill Assessment.

Shogo Okada, Kazunori Komatani

Recent Trends and Future Technology in Applied Intelligence - 31st International Conference on Industrial Engineering and Other Applications of Applied Intelligent Systems, IEA/AIE 2018, Montreal, QC, Canada, June 25-28, 2018, Proceedings　p. 148-157　2018/06　Research paper (international conference proceedings)

Collection of Multimodal Dialog Data and Analysis of the Result of Annotation of Users' Interest Level.

Masahiro Araki, Sayaka Tomimasu, Mikio Nakano, Kazunori Komatani, Shogo Okada, Shinya Fujie, Hiroaki Sugiyama

Proceedings of the Eleventh International Conference on Language Resources and Evaluation, LREC 2018, Miyazaki, Japan, May 7-12, 2018.　2018/05　Research paper (international conference proceedings)

Unsupervised Adaptation of Neural Networks for Discriminative Sound Source Localization with Eliminative Constraint.

Ryu Takeda, Yoshiki Kudo, Kazuki Takashima, Yoshifumi Kitamura, Kazunori Komatani

2018 IEEE International Conference on Acoustics, Speech and Signal Processing, ICASSP 2018, Calgary, AB, Canada, April 15-20, 2018　p. 3514-3518　2018/04　Research paper (international conference proceedings)

An ontology quality refinement system based on comparison of comprihensive hierarchies following each property

Takeshi Masuda, Kouji Kozaki, Kazunori Komatani

Transactions of the Japanese Society for Artificial Intelligence　Vol. 33　No. 2　p. B-H82_1-10　2018/03　Research paper (scientific journal)

Proposal of implicit confirmation toward lexical acquisition during dialogues

Kohei Ono, Ryu Takeda, Eric Nichols, Mikio Nakano, Kazunori Komatani

Transactions of the Japanese Society for Artificial Intelligence　Vol. 33　No. 1　p. DSH-E_1-10　2018/01　Research paper (scientific journal)

Extending A Bioscience Ontology Based on Comparison between Sibling Concepts

Takeshi Masuda, Kouji Kozaki, Tatsuya Kushida, Yuka Tateisi, Katsutaro Watanabe, Katsuji Matsumura, Takahiro Kawamura, Kazunori Komatani

The 8th International Conference on Internet Technologies & Society　2017/12　Research paper (other academic)

Unsupervised Segmentation of Phoneme Sequences based on Pitman-Yor Semi-Markov Model using Phoneme Length Context.

Ryu Takeda, Kazunori Komatani

Proceedings of the Eighth International Joint Conference on Natural Language Processing, IJCNLP 2017, Taipei, Taiwan, November 27 - December 1, 2017 - Volume 1: Long Papers　p. 243-252　2017/11　Research paper (international conference proceedings)

Acoustic model training based on node-wise weight boundary model for fast and small-footprint deep neural networks

Ryu Takeda, Kazuhiro Nakadai, Kazunori Komatani

Computer Speech and Language　Vol. 46　p. 461-480　2017/11　Research paper (scientific journal)

Node Pruning Based on Entropy of Weights and Node Activity for Small-Footprint Acoustic Model Based on Deep Neural Networks.

Ryu Takeda, Kazuhiro Nakadai, Kazunori Komatani

Interspeech 2017, 18th Annual Conference of the International Speech Communication Association, Stockholm, Sweden, August 20-24, 2017　p. 1636-1640　2017/08　Research paper (international conference proceedings)

Breaking Down Silos: Involving Various Researchers for Driving HCI Research.

Arisa Ema, Hirotaka Osawa, Hiromitsu Hattori, Naonori Akiya, Nobutsugu Kanzaki, Ryutaro Ichise, Minao Kukita, Takushi Otani, Akinori Kubo, Kazunori Komatani, Reina Saijo, Mikihito Tanaka, Koziro Honda, Naoki Miyano, Yoshimi Yashiro, Go Yoshizawa

Proceedings of the 2017 CHI Conference on Human Factors in Computing Systems, Denver, CO, USA, May 06-11, 2017, Extended Abstracts.　p. 837-847　2017/05　Research paper (international conference proceedings)

Unsupervised adaptation of deep neural networks for sound source localization using entropy minimization.

Ryu Takeda, Kazunori Komatani

2017 IEEE INTERNATIONAL CONFERENCE ON ACOUSTICS, SPEECH AND SIGNAL PROCESSING (ICASSP)　p. 2217-2221　2017/03　Research paper (international conference proceedings)

Noise-Robust MUSIC-Based Sound Source Localization Using Steering Vector Transformation for Small Humanoids.

Ryu Takeda, Kazunori Komatani

J. Robotics Mechatronics　Vol. 29　No. 1　p. 26-36　2017/02　Research paper (scientific journal)

Acoustic model training based on node-wise weight boundary model for fast and small-footprint deep neural networks.

Ryu Takeda, Kazuhiro Nakadai, Kazunori Komatani

Comput. Speech Lang.　Vol. 46　p. 461-480　2017　Research paper (scientific journal)

DISCRIMINATIVE MULTIPLE SOUND SOURCE LOCALIZATION BASED ON DEEP NEURAL NETWORKS USING INDEPENDENT LOCATION MODEL

Ryu Takeda, Kazunori Komatani

2016 IEEE WORKSHOP ON SPOKEN LANGUAGE TECHNOLOGY (SLT 2016)　p. 603-609　2016/12　Research paper (international conference proceedings)

Bayesian Language Model based on Mixture of Segmental Contexts for Spontaneous Utterances with Unexpected Words.

Ryu Takeda, Kazunori Komatani

COLING 2016, 26th International Conference on Computational Linguistics, Proceedings of the Conference: Technical Papers, December 11-16, 2016, Osaka, Japan　p. 161-170　2016/12　Research paper (international conference proceedings)

Toward Lexical Acquisition during Dialogues through Implicit Confirmation for Closed-Domain Chatbots

Kohei Ono, Ryu Takeda, Eric Nichols, Mikio Nakano, Kazunori Komatani

Proceedings of Second Workshop on Chatbots and Conversational Agent Technologies　2016/09　Research paper (other academic)

Estimating response obligation by focusing on user states in multi-party human-robot dialogues

Takaaki Sugiyama, Kotaro Funakoshi, Mikio Nakano, Kazunori Komatani

Transactions of the Japanese Society for Artificial Intelligence　Vol. 31　No. 3　2016/05/25　Research paper (scientific journal)

Sound source localization based on deep neural networks with directional activate function exploiting phase information.

Ryu Takeda, Kazunori Komatani

2016 IEEE INTERNATIONAL CONFERENCE ON ACOUSTICS, SPEECH AND SIGNAL PROCESSING PROCEEDINGS　p. 405-409　2016/03　Research paper (international conference proceedings)

Speech Interaction based on Hierarchical Understanding of Spoken Utterances

KOMATANI Kazunori

Journal of The Society of Instrument and Control Engineers　Vol. 55　No. 10　p. 878-883　2016

Ontology Refinement System for Improving Consistency of Classification among Brother Concepts.

Takeshi Masuda, Kouji Kozaki, Kazunori Komatani

Workshop and Poster Proceedings of the 6th Joint International Semantic Technology Conference co-located with the 6th Joint International Semantic Technology Conference (JIST 2016), Singapore, November 2-4, 2016.　p. 74-77　2016

ACOUSTIC MODEL TRAINING BASED ON NODE-WISE WEIGHT BOUNDARY MODEL INCREASING SPEED OF DISCRETE NEURAL NETWORKS

Ryu Takeda, Kazunori Komatani, Kazuhiro Nakadai

2015 IEEE WORKSHOP ON AUTOMATIC SPEECH RECOGNITION AND UNDERSTANDING (ASRU)　p. 52-58　2015/12　Research paper (international conference proceedings)

Estimating Response Obligation in Multi-Party Human-Robot Dialogues

Takaaki Sugiyama, Kotaro Funakoshi, Mikio Nakano, Kazunori Komatani

2015 IEEE-RAS 15TH INTERNATIONAL CONFERENCE ON HUMANOID ROBOTS (HUMANOIDS)　p. 166-172　2015/11　Research paper (international conference proceedings)

Introduction for Speech and language for interactive robots

Heriberto Cuayahuitl, Kazunori Komatani, Gabriel Skantze

COMPUTER SPEECH AND LANGUAGE　Vol. 34　No. 1　p. 83-86　2015/11　Research paper (scientific journal)

Performance Comparison of MUSIC-based Sound Localization Methods on Small Humanoid under Low SNR Conditions

Ryu Takeda, Kazunori Komatani

2015 IEEE-RAS 15TH INTERNATIONAL CONFERENCE ON HUMANOID ROBOTS (HUMANOIDS)　p. 859-865　2015/11　Research paper (international conference proceedings)

User Adaptive Restoration for Incorrectly Segmented Utterances in Spoken Dialogue Systems

K. Komatani, N. Hotta, S. Sato, M. Nakano

Proc. 16th Annual SIGDIAL Meeting on Discourse and Dialogue　2015/09　Research paper (international conference proceedings)

Detecting Incorrectly-Segmented Utterances for Posteriori Restoration of Turn-Taking and ASR Results

Naoki Hotta, Kazunori Komatani, Satoshi Sato, Mikio Nakano

15TH ANNUAL CONFERENCE OF THE INTERNATIONAL SPEECH COMMUNICATION ASSOCIATION (INTERSPEECH 2014), VOLS 1-4　p. 313-317　2014/09　Research paper (international conference proceedings)

Surface-similarity based textual entailment recognition for Japanese text

Shohei Hattori, Satoshi Sato, Kazunori Komatani

Transactions of the Japanese Society for Artificial Intelligence　Vol. 29　No. 4　p. 416-426　2014/09　Research paper (scientific journal)

A Surface-Similarity-Based Solver of Comprehension Questions Referring to Underlined Passages in Contemporary Japanese of the National Center Test

S. Satou, H. Kanou, S. Nishimura, K. Komatani

Journal of Natural Language Processing　2014/06　Research paper (scientific journal)

Evaluating Model that Predicts When People will Speak to Humanoid Robot and Handling Variations by Individuality and Instruction

Takaaki Sugiyama, Kazunori Komatani, Satoshi Sato

Transactions of the Japanese Society for Artificial Intelligence　Vol. 29　No. 1　p. 32-40　2014/01　Research paper (scientific journal)

Building model to predict how likely user is to talk to humanoid robot

Takaaki Sugiyama, Kazunori Komatani, Satoshi Sato

Transactions of the Japanese Society for Artificial Intelligence　Vol. 28　No. 3　p. 255-260　2013/05　Research paper (scientific journal)

Constructing language models for spoken dialogue systems from keyword set

Kazunori Komatani, Shojiro Mori, Satoshi Sato

Studies in Computational Intelligence　Vol. 489　p. 69-76　2013　Research paper (scientific journal)

Generating More Specific Questions for Acquiring Attributes of Unknown Concepts from Users.

Tsugumi Otsuka, Kazunori Komatani, Satoshi Sato, Mikio Nakano

Proceedings of the SIGDIAL 2013 Conference, The 14th Annual Meeting of the Special Interest Group on Discourse and Dialogue, 22-24 August 2013, SUPELEC, Metz, France　p. 70-77　2013

Efficient blind dereverberation and echo cancellation based on independent component analysis for actual acoustic signals

Ryu Takeda, Kazuhiro Nakadai, Toru Takahashi, Kazunori Komatani, Tetsuya Ogata, Hiroshi G. Okuno

Neural Computation　Vol. 24　No. 1　p. 234-272　2012

Automated violin fingering transcription through analysis of an audio recording

Akira Maezawa, Katsutoshi Itoyama, Kazunori Komatani, Tetsuya Ogata, Hiroshi G. Okuno

Computer Music Journal　Vol. 36　No. 3　p. 57-72　2012　Research paper (scientific journal)

Detecting System-directed Utterances using Dialogue-level Features.

Kazunori Komatani, Akira Hirano, Mikio Nakano

INTERSPEECH 2012, 13th Annual Conference of the International Speech Communication Association, Portland, Oregon, USA, September 9-13, 2012　Vol. 26　p. 230-233　2012

Musical Sound Separation and Synthesis Using Harmonic/Inharmonic GMM and NMF for Phrase Replacing System

安良岡直希, 吉岡拓也, 糸山克寿, 高橋徹, 駒谷和範, 尾形哲也, 奥乃博

情報処理学会論文誌ジャーナル(CD-ROM)　Vol. 52　No. 12　p. 3839-3852　2011/12/15　Research paper (scientific journal)

音声対話システムにおける簡略表現認識のための自動語彙拡張

森 信介, 駒谷 和範, 勝丸 真樹, 尾形 哲也, 奥乃 博

情報処理学会論文誌　Vol. 52　No. 12　p. 3398-3407　2011/12　Research paper (scientific journal)

Automatic Chord Sequence Recognition Based on Integration of Chord and Bass Pitch Features

Vol. 52　No. 4　p. 1803-1812　2011/04/15　Research paper (scientific journal)

A multi-expert model for dialogue and behavior control of conversational robots and agents

Mikio Nakano, Yuji Hasegawa, Kotaro Funakoshi, Johane Takeuchi, Toyotaka Torii, Kazuhiro Nakadai, Naoyuki Kanda, Kazunori Komatani, Hiroshi G. Okuno, Hiroshi Tsujino

KNOWLEDGE-BASED SYSTEMS　Vol. 24　No. 2　p. 248-256　2011/03　Research paper (scientific journal)

Robot Audition based on Multiple-Input Independent Component Analysis for Recognizing Barge-In Speech under Reverberation

Ryu Takeda, Kazuhiro Nakadai, Toru Takahashi, Kazunori Komatani, Tetsuya Ogata, Hiroshi G. Okuno

Journal of the Robotics Society of Japan　Vol. 27　No. 7　p. 782-792　2011　Research paper (scientific journal)

Simultaneous processing of sound source separation and musical instrument identification using Bayesian spectral modeling

Katsutoshi Itoyama, Masataka Goto, Kazunori Komatani, Tetsuya Ogata, Hiroshi G. Okuno

ICASSP, IEEE International Conference on Acoustics, Speech and Signal Processing - Proceedings　p. 3816-3819　2011　Research paper (international conference proceedings)

Phoneme Acquisition based on Vowel Imitation Model using Recurrent Neural Network and Physical Vocal Tract Model

Hisashi Kanda, Tetsuya Ogata, Toru Takahashi, Kazunori Komatani, Hiroshi G. Okuno

JRSJ　Vol. 27　No. 7　p. 802-813　2011

Evaluation of Spoken Dialogue System that uses Utterance Timing to Interpret User Utterances

Kazunori Komatani, Kyoko Matsuyama, Ryu Takeda, Tetsuya Ogata, Hiroshi G. Okuno

Proceedings of the Paralinguistic Information and its Integration in Spoken Dialogue Systems Workshop　2011

A Two-Stage Domain Selection Framework for Extensible Multi-Domain Spoken Dialogue Systems.

Mikio Nakano, Shun Sato, Kazunori Komatani, Kyoko Matsuyama, Kotaro Funakoshi, Hiroshi G. Okuno

Proceedings of the SIGDIAL 2011 Conference, The 12th Annual Meeting of the Special Interest Group on Discourse and Dialogue, June 17-18, 2011, Oregon Science & Health University, Portland, Oregon, USA　p. 18-29　2011

Development of a Theremin Player Robot Based on Arm-Position-to-Pitch and -Volume Models

水本武志, 辻野広司, 高橋徹, 駒谷和範, 尾形哲也, 奥乃博

情報処理学会論文誌ジャーナル(CD-ROM)　Vol. 51　No. 10　p. 2007-2019　2010/10/15

Inter-modality mapping in robot with recurrent neural network

Tetsuya Ogata, Shun Nishide, Hideki Kozima, Kazunori Komatani, Hiroshi G. Okuno

Pattern Recognition Letters　Vol. 31　No. 12　p. 1560-1569　2010/09/01　Research paper (scientific journal)

Speech Understanding Method for Rapid Prototyping Using Multiple Language Models and Multiple Language Understanding Models

勝丸真樹, 駒谷和範, 中野幹生, 船越孝太郎, 辻野広司, 尾形哲也, 奥乃博

情報処理学会研究報告(CD-ROM)　Vol. 2009　No. 6　2010/04/15

Improving Identification Accuracy by Extending Acceptable Utterances in Spoken Dialogue System Using Barge-in Timing

Kyoko Matsuyama, Kazunori Komatani, Toru Takahashi, Tetsuya Ogata, Hiroshi G. Okuno

TRENDS IN APPLIED INTELLIGENT SYSTEMS, PT II, PROCEEDINGS　Vol. 6097　No. PART 2　p. 585-594　2010　Research paper (international conference proceedings)

Analyzing User Utterances in Barge-in-able Spoken Dialogue System for Improving Identification Accuracy

Kyoko Matsuyama, Kazunori Komatani, Ryu Takeda, Toru Takahashi, Tetsuya Ogata, Hiroshi G. Okuno

11TH ANNUAL CONFERENCE OF THE INTERNATIONAL SPEECH COMMUNICATION ASSOCIATION 2010 (INTERSPEECH 2010), VOLS 3 AND 4　p. 3050-3053　2010　Research paper (international conference proceedings)

Motion Generation Based on Reliable Predictability using Self-organized Object Features

Shun Nishide, Tetsuya Ogata, Jun Tani, Toru Takahashi, Kazunori Komatani, Hiroshi G. Okuno

IEEE/RSJ 2010 INTERNATIONAL CONFERENCE ON INTELLIGENT ROBOTS AND SYSTEMS (IROS 2010)　p. 3453-3458　2010　Research paper (international conference proceedings)

Query-by-example music information retrieval by score-informed source separation and remixing technologies

Katsutoshi Itoyama, Masataka Goto, Kazunori Komatani, Tetsuya Ogata, Hiroshi G. Okuno

Eurasip Journal on Advances in Signal Processing　Vol. 2010　2010　Research paper (scientific journal)

Speedup and performance improvement of ica-based robot audition by parallel and resampling-based block-wise processing

Ryu Takeda, Kazuhiro Nakadai, Toru Takahashi, Kazunori Komatani, Tetsuya Ogata, Hiroshi G. Okuno

IEEE/RSJ 2010 International Conference on Intelligent Robots and Systems, IROS 2010 - Conference Proceedings　p. 1949-1956　2010　Research paper (international conference proceedings)

Music-ensemble robot that is capable of playing the Theremin while listening to the accompanied music

Takuma Otsuka, Takeshi Mizumoto, Kazuhiro Nakadai, Toru Takahashi, Kazunori Komatani, Tetsuya Ogata, Hiroshi G. Okuno

Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics)　Vol. 6096　No. 1　p. 102-112　2010　Research paper (international conference proceedings)

Robot musical accompaniment: Integrating audio and visual cues for real-time synchronization with a human flutist

Angelica Lim, Takeshi Mizumoto, Louis-Kenzo Cahier, Takuma Otsuka, Toru Takahashi, Kazunori Komatani, Tetsuya Ogata, Hiroshi G. Okuno

IEEE/RSJ 2010 International Conference on Intelligent Robots and Systems, IROS 2010 - Conference Proceedings　p. 1964-1969　2010　Research paper (international conference proceedings)

Human-robot ensemble between robot thereminist and human percussionist using coupled oscillator model

Takeshi Mizumoto, Takuma Otsuka, Kazuhiro Nakadai, Toru Takahashi, Kazunori Komatani, Tetsuya Ogata, Hiroshi G. Okuno

IEEE/RSJ 2010 International Conference on Intelligent Robots and Systems, IROS 2010 - Conference Proceedings　p. 1957-1963　2010　Research paper (international conference proceedings)

An improvement in automatic speech recognition using soft missing feature masks for robot audition

Toru Takahashi, Kazuhiro Nakadai, Kazunori Komatani, Tetsuya Ogata, Hiroshi G. Okuno

IEEE/RSJ 2010 International Conference on Intelligent Robots and Systems, IROS 2010 - Conference Proceedings　p. 964-969　2010　Research paper (international conference proceedings)

Exploiting harmonic structures to improve separating simultaneous speech in under-determined conditions

Yasuharu Hirasawa, Toru Takahashi, Kazunori Komatani, Tetsuya Ogata, Hiroshi G. Okuno

IEEE/RSJ 2010 International Conference on Intelligent Robots and Systems, IROS 2010 - Conference Proceedings　p. 450-457　2010　Research paper (international conference proceedings)

Human-robot cooperation in arrangement of objects using confidence measure of neuro-dynamical system

Hiromitsu Awano, Tetsuya Ogata, Shun Nishide, Toru Takahashi, Kazunori Komatani, Hiroshi G. Okuno

Conference Proceedings - IEEE International Conference on Systems, Man and Cybernetics　p. 2533-2538　2010　Research paper (international conference proceedings)

Effects of modelling within- and between-frame temporal variations in power spectra on non-verbal sound recognition.

Nobuhide Yamakawa, Tetsuro Kitahara, Toru Takahashi, Kazunori Komatani, Tetsuya Ogata, Hiroshi G. Okuno

INTERSPEECH 2010, 11th Annual Conference of the International Speech Communication Association, Makuhari, Chiba, Japan, September 26-30, 2010　p. 2342-2345　2010　Research paper (international conference proceedings)

Violin fingering estimation based on violin pedagogical fingering model constrained by bowed sequence estimation from audio input

Akira Maezawa, Katsutoshi Itoyama, Toru Takahashi, Kazunori Komatani, Tetsuya Ogata, Hiroshi G. Okuno

Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics)　Vol. 6098　No. 3　p. 249-259　2010　Research paper (international conference proceedings)

SpeakBySinging: Converting singing voices to speaking voices while retaining voice timbre

Aso S, Saitou T, Goto M, Itoyama K, Takahashi T, Komatani K, Ogata T, Okuno H.G

13th International Conference on Digital Audio Effects, DAFx 2010 Proceedings　2010　Research paper (international conference proceedings)

Design and Implementation of Two-level Synchronization for Interactive Music Robot.

Takuma Otsuka, Kazuhiro Nakadai, Toru Takahashi, Kazunori Komatani, Tetsuya Ogata, Hiroshi G. Okuno

Proceedings of the Twenty-Fourth AAAI Conference on Artificial Intelligence, AAAI 2010, Atlanta, Georgia, USA, July 11-15, 2010　2010　Research paper (international conference proceedings)

Soft missing-feature mask generation for robot audition.

Toru Takahashi, Kazuhiro Nakadai, Kazunori Komatani, Tetsuya Ogata,Array

Paladyn　Vol. 1　No. 1　p. 37-47　2010/01　Research paper (scientific journal)

Upper-limit evaluation of robot audition based on ICA-BSS in multi-source, barge-in and highly reverberant conditions

Ryu Takeda, Kazuhiro Nakadai, Toru Takahashi, Kazunori Komatani, Tetsuya Ogata, Hiroshi G. Okuno

Proceedings - IEEE International Conference on Robotics and Automation　p. 4366-4371　2010　Research paper (international conference proceedings)

Voice-awareness control for a humanoid robot consistent with its body posture and movements.

Takuma Otsuka, Kazuhiro Nakadai, Toru Takahashi, Kazunori Komatani, Tetsuya Ogata,Array

Paladyn　Vol. 1　No. 1　p. 80-88　2010/01　Research paper (scientific journal)

Improvement in listening capability for humanoid robot HRP-2

Toru Takahashi, Kazuhiro Nakadai, Kazunori Komatani, Tetsuya Ogata, Hiroshi G. Okuno

Proceedings - IEEE International Conference on Robotics and Automation　p. 470-475　2010　Research paper (international conference proceedings)

Step-size parameter adaptation of multi-channel semi-blind ICA with piecewise linear model for barge-in-able robot audition

Ryu Takeda, Kazuhiro Nakadai, Toru Takahashi, Kazunori Komatani, Tetsuya Ogata, Hiroshi G. Okuno

2009 IEEE/RSJ International Conference on Intelligent Robots and Systems, IROS 2009　p. 2277-2282　2009/12/11　Research paper (international conference proceedings)

Phoneme acquisition model based on vowel imitation using recurrent neural network

Hisashi Kanda, Tetsuya Ogata, Toru Takahashi, Kazunori Komatani, Hiroshi G. Okuno

2009 IEEE/RSJ International Conference on Intelligent Robots and Systems, IROS 2009　p. 5388-5393　2009/12/11　Research paper (international conference proceedings)

Missing-feature-theory-based robust simultaneous speech recognition system with non-clean speech acoustic model

Toru Takahashi, Kazuhiro Nakadai, Kazunori Komatani, Tetsuya Ogata, Hiroshi G. Okuno

2009 IEEE/RSJ International Conference on Intelligent Robots and Systems, IROS 2009　p. 2730-2735　2009/12/11　Research paper (international conference proceedings)

Incremental polyphonic audio to score alignment using beat tracking for singer robots

Takuma Otsuka, Kazumasa Murata, Kazuhiro Nakadai, Toru Takahashi, Kazunori Komatani, Tetsuya Ogata, Hiroshi G. Okuno

2009 IEEE/RSJ International Conference on Intelligent Robots and Systems, IROS 2009　p. 2289-2296　2009/12/11　Research paper (international conference proceedings)

Target speech detection and separation for communication with humanoid robots in noisy home environments

Hyun-Don Kim, Jinsung Kim, Kazunori Komatani, Tetsuya Ogata, Hiroshi G. Okuno

Advanced Robotics　Vol. 23　No. 15　p. 2093-2111　2009/10/01　Research paper (international conference proceedings)

Self-organization of dynamic object features based on bidirectional training

Shun Nishide, Tetsuya Ogata, Jun Tani, Kazunori Komatani, Hiroshi G. Okuno

Advanced Robotics　Vol. 23　No. 15　p. 2035-2057　2009/10/01　Research paper (international conference proceedings)

Predicting Barge-in Utterance Errors by using Implicitly-Supervised ASR Accuracy and Barge-in Rate per User

Kazunori Komatani, Alexander I. Rudnicky

Proceedings of the ACL-IJCNLP 2009 Conference Short Papers　p. 89-92　2009/08　Research paper (international conference proceedings)

マルチドメイン音声対話システムにおけるトピック推定と対話履歴の統合によるドメイン選択手法

池田 智志, 駒谷 和範, 尾形 哲也, 奥乃 博

情報処理学会論文誌　Vol. 50　No. 2　p. 488-500　2009/02　Research paper (scientific journal)

Parameter Estimation for Harmonic and Inharmonic Models by Using Timbre Feature Distributions

Itoyama Katsutoshi, Goto Masataka, Komatani Kazunori, Ogata Tetsuya, G. Okuno Hiroshi

Information and Media Technologies　Vol. 4　No. 3　p. 672-682　2009

Continuous Vocal Imitation with Self-organized Vowel Spaces in Recurrent Neural Network

Hisashi Kanda, Tetsuya Ogata, Toru Takahashi, Kazunori Komatani, Hiroshi G. Okuno

ICRA: 2009 IEEE INTERNATIONAL CONFERENCE ON ROBOTICS AND AUTOMATION, VOLS 1-7　p. 4036-4041　2009　Research paper (international conference proceedings)

Visualization-based approaches to support context sharing towards public involvement support system

Shun Shiramatsu, Yuji Kubota, Kazunori Komatani, Tetsuya Ogata, Toru Takahashi, Hiroshi G. Okuno

Studies in Computational Intelligence　Vol. 214　p. 111-117　2009　Research paper (scientific journal)

Adjusting occurrence probabilities of automatically-generated abbreviated words in spoken dialogue systems

Masaki Katsumaru, Kazunori Komatani, Tetsuya Ogata, Hiroshi G. Okuno

Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics)　Vol. 5579　p. 481-490　2009　Research paper (international conference proceedings)

Enabling a user to specify an item at any time during system enumeration - item identification for barge-in-able conversational dialogue systems.

Kyoko Matsuyama, Kazunori Komatani, Tetsuya Ogata, Hiroshi G. Okuno

INTERSPEECH 2009, 10th Annual Conference of the International Speech Communication Association, Brighton, United Kingdom, September 6-10, 2009　p. 252-255　2009　Research paper (international conference proceedings)

Ranking Help Message Candidates Based on Robust Grammar Verification Results and Utterance History in Spoken Dialogue Systems.

Kazunori Komatani, Satoshi Ikeda, Yuichiro Fukubayashi, Tetsuya Ogata, Hiroshi G. Okuno

Proceedings of the SIGDIAL 2009 Conference, The 10th Annual Meeting of the Special Interest Group on Discourse and Dialogue, 11-12 September 2009, London, UK　p. 314-321　2009　Research paper (international conference proceedings)

Voice quality manipulation for humanoid robots consistent with their head movements

Takuma Otsuka, Kazuhiro Nakadai, Toru Takahashi, Kazunori Komatani, Tetsuya Ogata, Hiroshi G. Okuno

9th IEEE-RAS International Conference on Humanoid Robots, HUMANOIDS09　p. 405-410　2009　Research paper (international conference proceedings)

Query-by-Example music retrieval approach based on musical genre shift by changing instrument volume

Itoyama K, Goto M, Komatani K, Ogata T, Okuno H.G

Proceedings of the 12th International Conference on Digital Audio Effects, DAFx 2009　p. 205-212　2009　Research paper (international conference proceedings)

ICA-based efficient blind dereverberation and echo cancellation method for barge-in-able robot audition

Ryu Takeda, Kazuhiro Nakadai, Toru Takahashi, Kazunori Komatani, Tetsuya Ogata, Hiroshi G. Okuno

ICASSP, IEEE International Conference on Acoustics, Speech and Signal Processing - Proceedings　p. 3677-3680　2009　Research paper (international conference proceedings)

Parameter estimation for harmonic and inharmonic models by using timbre feature distributions

Katsutoshi Itoyama, Masataka Goto, Kazunori Komatani, Tetsuya Ogata, Hiroshi G. Okuno

Journal of Information Processing　Vol. 17　p. 191-201　2009　Research paper (scientific journal)

Development of a meeting browser towards supporting public involvement

Shun Shiramatsu, Tadachika Ozono, Toramatsu Shintani, Kazunori Komatani, Tetsuya Ogata, Toru Takahashi, Hiroshi G. Okuno

Proceedings - 12th IEEE International Conference on Computational Science and Engineering, CSE 2009　Vol. 4　p. 717-722　2009　Research paper (international conference proceedings)

Binaural active audition for humanoid robots to localise speech over entire azimuth range

Hyun-Don Kim, Kazunori Komatani, Tetsuya Ogata, HIROShi G. Okuno

Applied Bionics and Biomechanics　Vol. 6　No. 3-4　p. 355-367　2009　Research paper (scientific journal)

Automatic estimation of reverberation time with robot speech to improve ICA-based robot audition

Ryu Takeda, Kazuhiro Nakadai, Toru Takahashi, Kazunori Komatani, Tetsuya Ogata, Hiroshi G. Okuno

9th IEEE-RAS International Conference on Humanoid Robots, HUMANOIDS09　p. 250-255　2009　Research paper (international conference proceedings)

Analysis of motion searching based on reliable predictability using recurrent neural network

Shun Nishide, Tetsuya Ogata, Jun Tani, Kazunori Komatani, Hiroshi G. Okuno

IEEE/ASME International Conference on Advanced Intelligent Mechatronics, AIM　p. 192-197　2009　Research paper (international conference proceedings)

Human tracking system integrating sound and face localization using an expectation-maximization algorithm in real environments

Hyun-Don Kim, Kazunori Komatani, Tetsuya Ogata, Hiroshi G. Okuno

Advanced Robotics　Vol. 23　No. 6　p. 629-653　2009　Research paper (scientific journal)

Autonomous Motion Generation Based on Reliable Predictability.

Shun Nishide, Tetsuya Ogata, Jun Tani, Kazunori Komatani, Hiroshi G. Okuno

JRM　Vol. 21　No. 4　p. 478-488　2009　Research paper (scientific journal)

A Speech Understanding Framework that Uses Multiple Language Models and Multiple Understanding Models.

Masaki Katsumaru, Mikio Nakano, Kazunori Komatani, Kotaro Funakoshi, Tetsuya Ogata, Hiroshi G. Okuno

Human Language Technologies: Conference of the North American Chapter of the Association of Computational Linguistics, Proceedings, May 31 - June 5, 2009, Boulder, Colorado, USA, Short Papers　p. 133-136　2009　Research paper (international conference proceedings)

Improving speech understanding accuracy with limited training data using multiple language models and multiple understanding models.

Masaki Katsumaru, Mikio Nakano, Kazunori Komatani, Kotaro Funakoshi, Tetsuya Ogata, Hiroshi G. Okuno

INTERSPEECH 2009, 10th Annual Conference of the International Speech Communication Association, Brighton, United Kingdom, September 6-10, 2009　p. 2735-2738　2009　Research paper (international conference proceedings)

Parameter Estimation for Harmonic and Inharmonic Models by Using Timbre Feature Distributions

Katsutoshi Itoyama, Masataka Goto, Kazunori Komatani, Tetsuya Ogata, Hiroshi G. Okuno

IPSJ Journal　Vol. 50　No. 7　p. 1757-1767　2009

音色特徴の歪みを回避した楽器音の音高・音長操作手法

安部 武宏, 糸山 克寿, 吉井 和佳, 駒谷 和範, 尾形 哲也, 奥乃 博

情報処理学会論文誌　Vol. 50　No. 3　p. 1054-1066　2009

A game-theoretic model of referential coherence and its empirical verification using large Japanese and English corpora

Shun Shiramatsu, Kazunori Komatani, Kôiti Hasida, Tetsuya Ogata, Hiroshi G. Okuno

ACM Transactions on Speech and Language Processing　Vol. 5　No. 3　p. 1-27　2008/10　Research paper (scientific journal)

Robot Audition using an Adaptive Filter Based on Independent Component Analysis

TAKEDA Ryu, NAKADAI Kazuhiro, KOMATANI Kazunori, OGATA Tetsuya, OKUNO Hiroshi G.

Journal of the Robotics Society of Japan　Vol. 26　No. 6　p. 529-536　2008/08/29

WFST-based Language Understanding for Rapid Prototyping of Spoken Dialogue Systems

Yuichiro Fukubayashi, Kazunori Komatani, Mikio Nakano, Kotaro Funakoshi, Hiroshi Tsujino, Tetsuya Ogata, Hiroshi G. Okuno

Vol. 49　No. 8　p. 2762-2772　2008/08

Predicting object dynamics from visual images through active sensing experiences

Shun Nishide, Tetsuya Ogata, Jun Tani, Kazunori Komatani, Hiroshi G. Okuno

Advanced Robotics　Vol. 22　No. 5　p. 527-546　2008/04　Research paper (scientific journal)

Discovery and Imitation of Other Individual by Robot Based on Projection of a Self-model

YOKOYA Ryunosuke, OGATA Tetsuya, TANI Jun, KOMATANI Kazunori, OKUNO Hiroshi G

Human interface　Vol. 10　No. 1　p. 59-71　2008/02/25

Active Sensing based Dynamical Object Feature Extraction

Shun Nishide, Tetsuya Ogata, Ryunosuke Yokoya, Jun Tani, Kazunori Komatani, Hiroshi G. Okuno

2008 IEEE/RSJ INTERNATIONAL CONFERENCE ON ROBOTS AND INTELLIGENT SYSTEMS, VOLS 1-3, CONFERENCE PROCEEDINGS　p. 1-7　2008　Research paper (international conference proceedings)

Analysis of Reliable Predictability based Motion Generation using RNNPB

Nishide Shun, Ogata Tetsuya, Tani Jun, Komatani Kazunori, Okuno Hiroshi G

SCIS & ISIS　Vol. 2008　No. 0　p. 305-310　2008

Segmenting acoustic signal with articulatory movement using recurrent neural network for phoneme acquisition

Hisashi Kanda, Tetsuya Ogata, Kazunori Komatani, Hiroshi G. Okuno

2008 IEEE/RSJ International Conference on Intelligent Robots and Systems, IROS　p. 1712-1717　2008　Research paper (international conference proceedings)

A robot listens to music and counts its beats aloud by separating music from counting voice

Takeshi Mizumoto, Ryu Takeda, Kazuyoshi Yoshii, Kazunori Komatani, Tetsuya Ogata, Hiroshi G. Okuno

2008 IEEE/RSJ International Conference on Intelligent Robots and Systems, IROS　p. 1538-1543　2008　Research paper (international conference proceedings)

Target speech detection and separation for humanoid robots in sparse dialogue with noisy home environments

Hyun-Don Kim, Jinsung Kim, Kazunori Komatani, Tetsuya Ogata, Hiroshi G. Okuno

2008 IEEE/RSJ International Conference on Intelligent Robots and Systems, IROS　p. 1705-1711　2008　Research paper (international conference proceedings)

Design and evaluation of two-channel-based sound source localization over entire azimuth range for moving talkers

Hyun-Don Kim, Kazunori Komatani, Tetsuya Ogata, Hiroshi G. Okuno

2008 IEEE/RSJ International Conference on Intelligent Robots and Systems, IROS　p. 2197-2203　2008　Research paper (international conference proceedings)

Barge-in-able robot audition based on ICA and missing feature theory under semi-blind situation

Ryu Takeda, Kazuhiro Nakadai, Kazunori Komatani, Tetsuya Ogata, Hiroshi G. Okuno

2008 IEEE/RSJ International Conference on Intelligent Robots and Systems, IROS　p. 1718-1723　2008　Research paper (international conference proceedings)

Soft missing-feature mask generation for simultaneous speech recognition system in robots.

Toru Takahashi, Shun'ichi Yamamoto, Kazuhiro Nakadai, Kazunori Komatani, Tetsuya Ogata, Hiroshi G. Okuno

INTERSPEECH 2008, 9th Annual Conference of the International Speech Communication Association, Brisbane, Australia, September 22-26, 2008　p. 992-995　2008　Research paper (international conference proceedings)

Extensibility verification of robust domain selection against out-of-grammar utterances in multi-domain spoken dialogue system.

Satoshi Ikeda, Kazunori Komatani, Tetsuya Ogata, Hiroshi G. Okuno

INTERSPEECH 2008, 9th Annual Conference of the International Speech Communication Association, Brisbane, Australia, September 22-26, 2008　p. 487-490　2008　Research paper (international conference proceedings)

Expanding vocabulary for recognizing user's abbreviations of proper nouns without increasing ASR error rates in spoken dialogue systems.

Masaki Katsumaru, Kazunori Komatani, Tetsuya Ogata, Hiroshi G. Okuno

INTERSPEECH 2008, 9th Annual Conference of the International Speech Communication Association, Brisbane, Australia, September 22-26, 2008　p. 187-190　2008　Research paper (international conference proceedings)

Predicting ASR errors by exploiting barge-in rate of individual users for spoken dialogue systems.

Kazunori Komatani, Tatsuya Kawahara, Hiroshi G. Okuno

INTERSPEECH 2008, 9th Annual Conference of the International Speech Communication Association, Brisbane, Australia, September 22-26, 2008　p. 183-186　2008

Meaning games

Hasida K, Shiramatsu S, Komatani K, Ogata T, Okuno H.G

Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics)　Vol. 4914 LNAI　p. 228-241　2008　Research paper (international conference proceedings)

Vowel imitation using vocal tract model and recurrent neural network

Hisashi Kanda, Tetsuya Ogata, Kazunori Komatani, Hiroshi G. Okuno

Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics)　Vol. 4985　No. 2　p. 222-232　2008　Research paper (international conference proceedings)

Integrating topic estimation and dialogue history for domain selection in multi-domain spoken dialogue systems

Satoshi Ikeda, Kazunori Komatani, Tetsuya Ogata, Hiroshi G. Okuno

Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics)　Vol. 5027　p. 294-304　2008　Research paper (international conference proceedings)

Object dynamics prediction and motion generation based on reliable predictability

Shun Nishide, Tetsuya Ogata, Ryunosuke Yokoya, Jun Tani, Kazunori Komatani, Hiroshi G. Okuno

Proceedings - IEEE International Conference on Robotics and Automation　p. 1608-1614　2008　Research paper (international conference proceedings)

Structural feature extraction based on active sensing experiences

Shun Nishide, Tetsuya Ogata, Ryunosuke Yokoya, Kazunori Komatani, Hiroshi G. Okuno, Jun Tani

Proceedings - International Conference on Informatics Education and Research for Knowledge-Circulating Society, ICKS 2008　p. 169-172　2008　Research paper (international conference proceedings)

SalienceGraph: Visualizing salience dynamics of written discourse by using reference probability and PLSA

Shiramatsu S, Komatani K, Ogata T, Okuno H.G

Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics)　Vol. 5351 LNAI　p. 890-902　2008　Research paper (international conference proceedings)

Robot Audition from the Viewpoint of Computational Auditory Scene Analysis

Hiroshi G. Okuno, Tetsuya Ogata, Kazunori Komatani

International Conference on Informatics Education and Research for Knowledge-Circulating Society (icks 2008)　2008

Instrument equalizer for query-by-example retrieval: Improving sound source separation based on integrated harmonic and inharmonic models

Itoyama K, Goto M, Komatani K, Ogata T, Okuno H.G

ISMIR 2008 - 9th International Conference on Music Information Retrieval　p. 133-138　2008　Research paper (international conference proceedings)

Evaluation of two-channel-based sound source localization using 3D moving sound creation tool

Hyun-Don Kim, Kazunori Komatani, Tetsuya Ogata, Hiroshi G. Okuno

Proceedings - International Conference on Informatics Education and Research for Knowledge-Circulating Society, ICKS 2008　p. 209-212　2008　Research paper (international conference proceedings)

Analysis-and-manipulation approach to pitch and duration of musical instrument sounds without distorting timbral characteristics

Abe T, Itoyama K, Yoshii K, Komatani K, Ogata T, Okuno H.G

Proceedings - 11th International Conference on Digital Audio Effects, DAFx 2008　p. 249-256　2008　Research paper (international conference proceedings)

Automatic chord recognition based on probabilistic integration of chord transition and bass pitch estimation

Sumi K, Itoyama K, Yoshii K, Komatani K, Ogata T, Okuno H.G

ISMIR 2008 - 9th International Conference on Music Information Retrieval　p. 39-44　2008　Research paper (international conference proceedings)

Design and implementation of 3d auditory scene visualizer towards auditory awarenesswith face tracking

Yuji Kubota, Masatoshi Yoshida, Kazunori Komatani, Tetsuya Ogata, Hiroshi G. Okuno

Proceedings - 10th IEEE International Symposium on Multimedia, ISM 2008　p. 468-476　2008　Research paper (international conference proceedings)

A portable robot audition software system for multiple simultaneous speech signals

Okuno H.G, Yamamoto S, Nakadai K, Valin J.-M, Ogata T, Komatani K

Proceedings - European Conference on Noise Control　Vol. 123　No. 5　p. 483-488　2008　Research paper (international conference proceedings)

Two-channel-based voice activity detection for humanoid robots in noisy home environments

Hyun-Don Kim, Kazunori Komatani, Tetsuya Ogata, Hiroshi G. Okuno

Proceedings - IEEE International Conference on Robotics and Automation　p. 3495-3501　2008　Research paper (international conference proceedings)

3D Auditory Scene Visualizer with face tracking: Design and implementation for auditory awareness compensation

Yuji Kubota, Shun Shiramatsu, Masatoshi Yoshida, Kazunori Komatani, Tetsuya Ogata, Hiroshi G. Okuno

Proceedings of the 2nd International Symposium on Universal Communication, ISUC 2008　p. 42-49　2008　Research paper (international conference proceedings)

Rapid Prototyping of Robust Language Understanding Modules for Spoken Dialogue Systems.

Yuichiro Fukubayashi, Kazunori Komatani, Mikio Nakano, Kotaro Funakoshi, Hiroshi Tsujino, Tetsuya Ogata, Hiroshi G. Okuno

Third International Joint Conference on Natural Language Processing, IJCNLP 2008, Hyderabad, India, January 7-12, 2008　p. 210-216　2008　Research paper (international conference proceedings)

楽譜情報を援用した多重奏音楽音響信号の音源分離と調波・非調波統合モデルの制約付パラメータ推定の同時実現

糸山 克寿, 後藤 真孝, 駒谷 和範, 尾形 哲也, 奥乃 博

情報処理学会論文誌　Vol. 49　No. 3　p. 1465-1479　2008

An Efficient Hybrid Music Recommender System Using an Incrementally Trainable Probabilistic Generative Model

Kazuyoshi Yoshii, Masataka Goto, Kazunori Komatani, Tetsuya Ogata, Hiroshi G. Okuno

IEEE Transactions on Audio, Speech and Language Processing　Vol. 16　No. 2　p. 435-447　2008

Instrogram: Probabilistic Representation of Instrument Existence for Polyphonic Music

Kitahara Tetsuro, Goto Masataka, Komatani Kazunori, Ogata Tetsuya, Okuno Hiroshi G.

Information and Media Technologies　Vol. 2　No. 1　p. 279-291　2007

Drumix: An Audio Player with Real-time Drum-part Rearrangement Functions for Active Music Listening

Yoshii Kazuyoshi, Goto Masataka, Komatani Kazunori, Ogata Tetsuya, Okuno Hiroshi G.

Information and Media Technologies　Vol. 2　No. 2　p. 601-611　2007

Instrument identification in polyphonic music: Feature weighting to minimize influence of sound overlaps

Tetsuro Kitahara, Masataka Goto, Kazunori Komatani, Tetsuya Ogata, Hiroshi G. Okuno

Eurasip Journal on Advances in Signal Processing　Vol. 2007　2007　Research paper (scientific journal)

Exploiting known sound source signals to improve ICA-based robot audition in speech separation and recognition

Ryu Takeda, Kazuhiro Nakadai, Kazunori Komatani, Tetsuya Ogata, Hiroshi G. Okuno

2007 IEEE/RSJ INTERNATIONAL CONFERENCE ON INTELLIGENT ROBOTS AND SYSTEMS, VOLS 1-9　p. 1763-+　2007　Research paper (international conference proceedings)

Topic estimation with domain extensibility for guiding user's out-of-grammar utterances in multi-domain spoken dialogue systems

Ikeda S, Komatani K, Ogata T, Okuno H.G

International Speech Communication Association - 8th Annual Conference of the International Speech Communication Association, Interspeech 2007　Vol. 3　p. 2057-2060　2007　Research paper (international conference proceedings)

Instrument identification in polyphonic music: Feature weighting to minimize influence of sound overlaps

Kitahara T, Goto .M, Komatani K, Ogata T, Okuno H.G

Eurasip Journal on Advances in Signal Processing　Vol. 2007　2007

Analyzing temporal transition of real user's behaviors in a spoken dialogue system

Komatani K, Kawahara T, Okuno H.G

International Speech Communication Association - 8th Annual Conference of the International Speech Communication Association, Interspeech 2007　Vol. 3　p. 1837-1840　2007

Real-Time Auditory and Visual Talker Tracking Through Integrating EM Algorithm and Particle Filter

Hyun{-}Don Kim, Kazunori Komatani, Tetsuya Ogata, Hiroshi G. Okuno

New Trends in Applied Artificial Intelligence, 20th International Conference on Industrial, Engineering and Other Applications of Applied Intelligent Systems, IEA/AIE 2007, Kyoto, Japan, June 26-29, 2007, Proce　Vol. 4570 LNAI　p. 280-290　2007　Research paper (international conference proceedings)

Evaluation of two simultaneous continuous speech recognition with ICA BSS and MFT-based ASR

Ryu Takeda, Shun'ichi Yamamoto, Kazunori Komatani, Tetsuya Ogata, Hiroshi G. Okuno

Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics)　Vol. 4570 LNAI　p. 384-394　2007　Research paper (international conference proceedings)

音源分離との統合によるミッシングフィーチャマスク自動生成に基づく同時発話音声認識

Shunichi Yamamoto, Jean-Marc Valin, Kazuhiro Nakadai, Mikio Nakano, Hiroshi Tsujino, Kazunori Komatani, Tetsuya Ogata, Hiroshi G. Okuno

Journal of the Robotics Society of Japan　Vol. 25　No. 1　p. 92-102　2007

Instrogram: Probabilistic Representation of Instrument Existence for Polyphonic Music

Tetsuro Kitahara, Masataka Goto, Kazunori Komatani, Tetsuya Ogata, Hiroshi G. Okuno

ipsjdc　Vol. 3　p. 1-13　2007

Integration and adaptation of harmonic and inharmonic models for separating polyphonic musical signals

Katsutoshi Itoyama, Masataka Goto, Kazunori Komatani, Tetsuya Ogata, Hiroshi G. Okuno

ICASSP, IEEE International Conference on Acoustics, Speech and Signal Processing - Proceedings　Vol. 1　p. I57-I60　2007　Research paper (international conference proceedings)

Introducing utterance verification in spoken dialogue system to improve dynamic help generation for novice users

Komatani K, Fukubayashi Y, Ogata T, Okuno H.G

Proceedings of the 8th SIGdial Workshop on Discourse and Dialogue　p. 202-205　2007　Research paper (international conference proceedings)

Improving efficiency and scalability of model-based music recommender system based on incremental training

Yoshii K, Goto M, Komatani K, Ogata T, Okuno H.G

Proceedings of the 8th International Conference on Music Information Retrieval, ISMIR 2007　p. 89-94　2007　Research paper (international conference proceedings)

Drumix: An Audio Player with Real-time Drum-part Rearrangement Functions for Active Music Listening

Kazuyoshi Yoshii, Masataka Goto, Kazunori Komatani, Tetsuya Ogata, Hiroshi G. Okuno

ipsjdc　Vol. 3　p. 134-144　2007

Distance estimation of hidden objects based on acoustical holography by applying acoustic diffraction of audible sound

Haruhiko Niwa, Tetsuya Ogata, Kazunori Komatani, Okuno G. Hiroshi

Proceedings - IEEE International Conference on Robotics and Automation　p. 423-428　2007　Research paper (international conference proceedings)

Auditory and visual integration based localization and tracking of multiple moving sounds in daily-life environments

Hyun-Don Kim, Kazunori Komatani, Tetsuya Ogata, Hiroshi G. Okuno

Proceedings - IEEE International Workshop on Robot and Human Interactive Communication　p. 399-404　2007　Research paper (international conference proceedings)

Computational Auditory Scene Analysis and Its Application to Robot Audition: Five Years Experience

Hiroshi G. Okuno, Tetsuya Ogata, Kazunori Komatani

Second International Conference on Informatics Research for Development of Knowledge Society Infrastructure (ICKS'07)　2007/01

Predicting object dynamics from visual images through active sensing experiences

Shun Nishide, Tetsuya Ogata, Jun Tani, Kazunori Komatani, Hiroshi G. Okuno

Proceedings - IEEE International Conference on Robotics and Automation　p. 2501-2506　2007　Research paper (international conference proceedings)

Human-robot cooperation using quasi-symbols generated by RNNPB model

Tetsuya Ogata, Shohei Matsumoto, Jun Tani, Kazunori Komatani, Hiroshi G. Okuno

Proceedings - IEEE International Conference on Robotics and Automation　p. 2156-2161　2007　Research paper (international conference proceedings)

Vocal imitation using physical vocal tract model

Hisashi Kanda, Tetsuya Ogata, Kazunori Komatani, Hiroshi G. Okuno

IEEE International Conference on Intelligent Robots and Systems　p. 1846-1851　2007　Research paper (international conference proceedings)

Two-way translation of compound sentences and arm motions by recurrent neural networks

Tetsuya Ogata, Masamitsu Murase, Jim Tani, Kazunori Komatani, Hiroshi G. Okuno

IEEE International Conference on Intelligent Robots and Systems　p. 1858-1863　2007　Research paper (international conference proceedings)

Discovery of other individuals by projecting a self-model through imitation

Ryunosuke Yokoya, Tetsuya Ogata, Jun Tani, Kazunori Komatani, Hiroshi G. Okuno

IEEE International Conference on Intelligent Robots and Systems　p. 1009-1014　2007　Research paper (international conference proceedings)

Auditory and visual integration based localization and tracking of humans in daily-life environments

Hyun-Don Kim, Kazunori Komatani, Tetsuya Ogata, Hiroshi G. Okuno

IEEE International Conference on Intelligent Robots and Systems　p. 2021-2027　2007　Research paper (international conference proceedings)

A biped robot that keeps steps in time with musical beats while listening to music with its own ears

Kazuyoshi Yoshii, Kazuhiro Nakadai, Toyotaka Torii, Yuji Hasegawa, Hiroshi Tsujino, Kazunori Komatani, Tetsuya Ogata, Hiroshi G. Okuno

IEEE International Conference on Intelligent Robots and Systems　p. 1743-1750　2007　Research paper (international conference proceedings)

Design and implementation of a robot audition system for automatic speech recognition of simultaneous speech.

Shun'ichi Yamamoto, Kazuhiro Nakadai, Mikio Nakano, Hiroshi Tsujino, Jean-Marc Valin, Kazunori Komatani, Tetsuya Ogata,Array

IEEE Workshop on Automatic Speech Recognition & Understanding, ASRU 2007, Kyoto, Japan, December 9-13, 2007　p. 111-116　2007　Research paper (international conference proceedings)

ゲーム理論に基づく参照結束性のモデル化と日本語・英語の大規模コーパスを用いた統計的検証

白松 俊, 駒谷 和範, 橋田 浩一, 尾形 哲也, 奥乃 博

自然言語処理　Vol. 14　No. 4　p. 199-239　2007

マルチドメイン音声対話システムにおける対話履歴を利用したドメイン選択

神田 直之, 駒谷 和範, 中野 幹生, 中臺 一博, 辻野 広司, 尾形 哲也, 奥乃 博

情報処理学会論文誌　Vol. 48　No. 5　p. 1980-1989　2007

Instrument Identification in Polyphonic Music: Feature Weighting Based on Mixed-Sound Template and Use of Musical Context

北原鉄朗, 後藤真孝, 駒谷和範, 尾形哲也, 奥乃博

電子情報通信学会論文誌 D　Vol. J89-D　No. 12　p. 2721-2733　2006/12/01

Instrument Identification in Polyphonic Music: Feature Weighting to Minimize Influence of Sound Overlaps

Kitahara Tetsuro, Goto Masataka, Komatani Kazunori, Ogata Tetsuya, Okuno Hiroshi G

EURASIP Journal on Advances in Signal Processing　No. 2007　2006/11/08

Spoken Language Understanding Using Dialogue Context in Database Search Task

神田直之, 駒谷和範, 尾形哲也, 奥乃博

情報処理学会論文誌　Vol. 47　No. 6　p. 1802-1811　2006/06/15

A Singer Identification Method for Musical Pieces on the Basis of Accompaniment Sound Reduction and Reliable Frame Selection

藤原弘将, 北原鉄朗, 後藤真孝, 駒谷和範, 尾形哲也, 奥乃博

情報処理学会論文誌　Vol. 47　No. 6　p. 1831-1843　2006/06/15

F0 estimation method for singing voice in polyphonic audio signal based on statistical vocal model and Viterbi search

Hiromasa Fujihara, Tetsuro Kitahara, Masataka Goto, Kazunori Komatani, Tetsuya Ogata, Hiroshi G. Okuno

2006 IEEE INTERNATIONAL CONFERENCE ON ACOUSTICS, SPEECH, AND SIGNAL PROCESSING, VOL V, PROCEEDINGS　Vol. 5　p. 253-+　2006　Research paper (international conference proceedings)

Dynamic Communication of Humanoid Robot with Multiple People Based on Interaction Distance

Tasaki Tsuyoshi, Matsumoto Shohei, Ohba Hayato, Yamamoto Shunichi, Toda Mitsuhiko, Komatani Kazunori, Ogata Tetsuya, Okuno Hiroshi G

Information and Media Technologies　Vol. 1　No. 1　p. 285-295　2006

Improving Location-Based Speech Recognition of Simultaneous Speech Signals by Parameter Optimization with Genetic Algorithm

YAMAMOTO Shunichi, NAKADAI Kazuhiro, NAKANO Mikio, TSUJINO Hiroshi, VALIN Jean-Marc, TAKEDA Ryu, KOMATANI Kazunori, OGATA Tetsuya, OKUNO Hiroshi G

Human interface　Vol. 8　No. 2　p. 203-212　2006

Speaker identification under noisy environments by using harmonic structure extraction and reliable frame weighting

Hiromasa Fujihara, Tetsuro Kitahara, Masataka Goto, Kazunori Komatani, Tetsuya Ogata, Hiroshi G. Okuno

INTERSPEECH 2006 - ICSLP, Ninth International Conference on Spoken Language Processing, Pittsburgh, PA, USA, September 17-21, 2006　Vol. 3　p. 1459-1462　2006　Research paper (international conference proceedings)

Improving speech recognition of two simultaneous speech signals by integrating ICA BSS and automatic missing feature mask generation

Rya Takeda, Shu N.Ichi Yamamoto, Kazunori Komatani, Tetsuya Ogata, Hiroshi G. Okuno

INTERSPEECH 2006 and 9th International Conference on Spoken Language Processing, INTERSPEECH 2006 - ICSLP　Vol. 5　p. 2302-2305　2006　Research paper (international conference proceedings)

Dynamic help generation by estimating user's mental model in spoken dialogue systems

Fukubayashi Y, Komatani K, Ogata T, Okuno H.G

INTERSPEECH 2006 and 9th International Conference on Spoken Language Processing, INTERSPEECH 2006 - ICSLP　Vol. 4　p. 1946-1949　2006　Research paper (international conference proceedings)

Instrogram: A New Musical Instrument Recognition Technique Without Using Onset Detection NOR F0 Estimation

Tetsuro Kitahara, Masataka Goto, Kazunori Komatani, Tetsuya Ogata, Hiroshi G. Okuno

2006 IEEE International Conference on Acoustics Speech and Signal Processing, ICASSP 2006, Toulouse, France, May 14-19, 2006　Vol. 5　p. 229-232　2006　Research paper (international conference proceedings)

F0 Estimation Method for Singing Voice in Polyphonic Audio Signal Based on Statistical Vocal Model and Viterbi Search

Hiromasa Fujihara, Tetsuro Kitahara, Masataka Goto, Kazunori Komatani, Tetsuya Ogata, Hiroshi G. Okuno

2006 IEEE International Conference on Acoustics Speech and Signal Processing, ICASSP 2006, Toulouse, France, May 14-19, 2006　p. 253-5114　2006　Research paper (international conference proceedings)

An Error Correction Framework Based on Drum Pattern Periodicity for Improving Drum Sound Detection

Kazuyoshi Yoshii, Masataka Goto, Kazunori Komatani, Tetsuya Ogata, Hiroshi G. Okuno

2006 IEEE International Conference on Acoustics Speech and Signal Processing, ICASSP 2006, Toulouse, France, May 14-19, 2006　p. 237-5098　2006　Research paper (international conference proceedings)

Musical instrument recognizer "instrogram" and its application to music retrieval based on instrumentation similarity

Tetsuro Kitahara, Masataka Goto, Kazunori Komatani, Tetsuya Ogata, Hiroshi G. Okuno

ISM 2006 - 8th IEEE International Symposium on Multimedia　p. 265-272　2006　Research paper (international conference proceedings)

Hybrid Collaborative and Content-based Music Recommendation Using Probabilistic Model with Latent User Preferences

Kazuyoshi Yoshii, Masataka Goto, Kazunori Komatani, Tetsuya Ogata, Hiroshi G. Okuno

ISMIR 2006, 7th International Conference on Music Information Retrieval, Victoria, Canada, 8-12 October 2006, Proceedings　p. 296-301　2006　Research paper (international conference proceedings)

Automatic synchronization between lyrics and music CD recordings based on Viterbi alignment of segregated vocal signals

Hiromasa Fujihara, Masataka Goto, Jun Ogata, Kazunori Komatani, Tetsuya Ogata, Hiroshi G. Okuno

ISM 2006 - 8th IEEE International Symposium on Multimedia　p. 257-264　2006　Research paper (international conference proceedings)

Automatic Feature Weighting in Automatic Transcription of Specified Part in Polyphonic Music

Katsutoshi Itoyama, Tetsuro Kitahara, Kazunori Komatani, Tetsuya Ogata, Hiroshi G. Okuno

ISMIR 2006, 7th International Conference on Music Information Retrieval, Victoria, Canada, 8-12 October 2006, Proceedings　p. 172-175　2006　Research paper (international conference proceedings)

Multiple acoustical holography method for localization of objects in broad range using audible sound

Haruhiko Niwa, Tetsuya Ogata, Kazunori Komatani, Hiroshi G. Okuno

IEEE International Conference on Intelligent Robots and Systems　p. 1146-1151　2006　Research paper (international conference proceedings)

Missing-feature based speech recognition for two simultaneous speech signals separated by ICA with a pair of humanoid ears

Ryu Takeda, Shun'ichi Yamamoto, Kazunori Komatani, Tetsuya Ogata, Hiroshi G. Okuno

IEEE International Conference on Intelligent Robots and Systems　p. 878-885　2006　Research paper (international conference proceedings)

Experience based imitation using RNNPB

Ryunosuke Yokoya, Tetsuya Ogata, Jun Tani, Kazunori Komatani, Hiroshi G. Okuno

IEEE International Conference on Intelligent Robots and Systems　p. 3669-3674　2006　Research paper (international conference proceedings)

Recognition of simultaneous speech by estimating reliability of separated signals for robot audition

Shun'ichi Yamamoto, Ryu Takeda, Kazuhiro Nakadai, Mikio Nakano, Hiroshi Tsujino, Jean Marc Valin, Kazunori Komatani, Tetsuya Ogata, Hiroshi G. Okuno

Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics)　Vol. 4099 LNAI　p. 484-494　2006　Research paper (international conference proceedings)

Real-time robot audition system that recognizes simultaneous speech in the real world

Shun'ichi Yamamoto, Kazuhiro Nakadai, Mikio Nakano, Hiroshi Tsujino, Jean-Marc Valin, Kazunori Komatani, Tetsuya Ogata, Hiroshi G. Okuno

IEEE International Conference on Intelligent Robots and Systems　p. 5333-5338　2006　Research paper (international conference proceedings)

Leak energy based missing feature mask generation for ICA and GSS and its evaluation with simultaneous speech recognition.

Shun'ichi Yamamoto, Ryu Takeda, Kazuhiro Nakadai, Mikio Nakano, Hiroshi Tsujino, Jean-Marc Valin, Kazunori Komatani, Tetsuya Ogata, Hiroshi G. Okuno

ISCA Tutorial and Research Workshop on Statistical and Perceptual Audition, SAPA 2006, Pittsburgh, PA, USA, September 16, 2006　p. 42-47　2006　Research paper (international conference proceedings)

Genetic algorithm-based improvement of robot hearing capabilities in separating and recognizing simultaneous speech signals

Shun'ichi Yamamoto, Kazuhiro Nakadai, Mikio Nakano, Hiroshi Tsujino, Jean Marc Valin, Ryu Takeda, Kazunori Komatani, Tetsuya Ogata, Hiroshi G. Okuno

Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics)　Vol. 4031 LNAI　p. 207-217　2006　Research paper (international conference proceedings)

Empirical verification of Meaning-Game-based generalization of centering theory with large Japanese corpus

Shiramatsu S, Komatani K, Miyata T, Hasida K, Okuno H.G

PACLIC 19 - Proceedings of the 19th Pacific Asia Conference on Language, Information and Computation　p. 199-210　2005

Spatially mapping of friendliness for human-robot interaction

Tsuyoshi Tasaki, Kazunori Komatani, Tetsuya Ogata, Hiroshi G. Okuno

2005 IEEE/RSJ International Conference on Intelligent Robots and Systems, IROS　p. 521-526　2005　Research paper (international conference proceedings)

Sound-imitation word recognition for environmental sounds disambiguation in determining phonemes of sound-imitation words

Kazushi Ishihara, Kazunori Komatani, Tetsuya Ogata, Hiroshi G. Okuno

Transactions of the Japanese Society for Artificial Intelligence　Vol. 20　No. 3　p. 229-236　2005　Research paper (scientific journal)

Multiple moving speaker tracking by microphone array on mobile robot

Murase M, Yamamoto S, Valin J.-M, Nakadai K, Yamada K, Komatani K, Ogata T, Okuno H.G

9th European Conference on Speech Communication and Technology　p. 249-252　2005　Research paper (international conference proceedings)

Singer identification based on accompaniment sound reduction and reliable frame selection

Fujihara H, Kitahara T, Goto M, Komatani K, Ogata T, Okuno H.G

ISMIR 2005 - 6th International Conference on Music Information Retrieval　p. 329-336　2005　Research paper (international conference proceedings)

Making a robot recognize three simultaneous sentences in real-time

Shun'Ichi Yamamoto, Kazuhiro Nakadai, Jean-Marc Valin, Jean Rouat, François Michaud, Kazunori Komatani, Tetsuya Ogata, Hiroshi G. Okuno

2005 IEEE/RSJ International Conference on Intelligent Robots and Systems, IROS　p. 897-902　2005　Research paper (international conference proceedings)

Instrument identification in polyphonic music: Feature weighting with mixed sounds, pitch-dependent timbre modeling, and use of musical context

Kitahara T, Goto M, Komatani K, Ogata T, Okuno H.G

ISMIR 2005 - 6th International Conference on Music Information Retrieval　p. 558-563　2005　Research paper (international conference proceedings)

Dynamic communication of humanoid robot with multiple people based on interaction distance

Tsuyoshi Tasaki, Shohei Matsumoto, Hayato Ohba, Shunichi Yamamoto, Mitsuhiko Toda, Kazunori Komatani, Tetsuya Ogata, Hiroshi G. Okuno

Transactions of the Japanese Society for Artificial Intelligence　Vol. 20　No. 3　p. 209-219　2005　Research paper (scientific journal)

Extracting multi-modal dynamics of objects using RNNPB

Tetsuya Ogata, Hayato Ohba, Jun Tani, Kazunori Komatani, Hiroshi G. Okuno

2005 IEEE/RSJ International Conference on Intelligent Robots and Systems, IROS　Vol. Vol.17, No.6　No. 6　p. 160-165　2005　Research paper (international conference proceedings)

Contextual constraints based on dialogue models in database search task for spoken dialogue systems

Komatani K, Kanda N, Ogata T, Okuno H.G

9th European Conference on Speech Communication and Technology　p. 877-880　2005　Research paper (international conference proceedings)

Distance-based dynamic interaction of humanoid robot with multiple people

Tasaki T, Matsumoto S, Ohba H, Toda M, Komatani K, Ogata T, Okuno H.G

Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics)　Vol. 3533 LNAI　p. 111-120　2005　Research paper (international conference proceedings)

User Modeling for Adaptive Guidance Generation in Spoken Dialogue Systems

駒谷和範, 上野晋一, 河原達也, 奥乃博

電子情報通信学会論文誌 D-2　Vol. J87-D-2　No. 10　p. 1921-1928　2004/10/01

Robot motion control using listener's back-channels and head gesture information

Tsuyoshi Tasaki, Takeshi Yamaguchi, Kazunori Komatani, Tetsuya Ogata, Hiroshi G. Okuno

INTERSPEECH 2004 - ICSLP, 8th International Conference on Spoken Language Processing, Jeju Island, Korea, October 4-8, 2004　p. 1033-1036　2004/10　Research paper (international conference proceedings)

Confirmation Strategy for Document Retrieval Systems with Spoken Dialog Interface

T.Misu, K.Komatani, T.Kawahara

Proc. INTERSPEECH　p. 45-48　2004　Research paper (international conference proceedings)

Recognition of emotional states in spoken dialogue with a robot

Komatani K, Ito R, Kawahara T, Okuno H.G

Lecture Notes in Artificial Intelligence (Subseries of Lecture Notes in Computer Science)　Vol. 3029　p. 413-423　2004

Repeat recognition for environmental sounds

Hattori Y, Ishihara K, Komatani K, Ogata T, Okuno H.G

Proceedings - IEEE International Workshop on Robot and Human Interactive Communication　p. 83-88　2004　Research paper (international conference proceedings)

Efficient confirmation strategy for large-scale text retrieval systems with spoken dialogue interface

Kazunori Komatani, Teruhisa Misu, Tatsuya Kawahara, Hiroshi G. Okuno

Proceedings of the 20th international conference on Computational Linguistics - COLING '04　2004

Disambiguation in determining phonemes of sound-imitation words for environmental sound recognition

Kazushi Ishihara, Yuya Hattori, Tomohiro Nakatani, Kazunori Komatani, Tetsuya Ogata, Hiroshi G. Okuno

INTERSPEECH 2004 - ICSLP, 8th International Conference on Spoken Language Processing, Jeju Island, Korea, October 4-8, 2004　2004　Research paper (international conference proceedings)

Dynamic communication of humanoid robot with multiple people based on interaction distance

Tasaki T, Matsumoto S, Ohba H, Toda M, Komatani K, Ogata T, Okuno H.G

Proceedings - IEEE International Workshop on Robot and Human Interactive Communication　p. 71-76　2004　Research paper (international conference proceedings)

Automatic Chord Transcription with Concurrent Recognition of Chord Symbols and Boundaries

Takuya Yoshioka, Tetsuro Kitahara, Kazunori Komatani, Tetsuya Ogata, Hiroshi G. Okuno

ISMIR 2004, 5th International Conference on Music Information Retrieval, Barcelona, Spain, October 10-14, 2004, Proceedings　2004　Research paper (international conference proceedings)

Spoken Dialogue System for Queries on Appliance Manuals Using Hierarchical Confirmation Strategy

Tatsuya Kawahara, Ryosuke Ito, Kazunori Komatani

8th European Conference on Speech Communication and Technology　p. 1701-1704　2003/09　Research paper (international conference proceedings)

User modeling in spoken dialogue systems for flexible guidance generation

Kazunori Komatani, Shinichi Ueno, Tatsuya Kawahara, Hiroshi G. Okuno

EUROSPEECH 2003 - 8th European Conference on Speech Communication and Technology　p. 745-748　2003/09/01　Research paper (international conference proceedings)

Dialog Navigator: A Spoken Dialog Q-A System based on Large Text Knowledge Base

Yoji Kiyota, Sadao Kurohashi, Teruhisa Misu, Kazunori Komatani, Tetsuya Kawahara, Fuyuko Kido

the Companion Volume to the Proceedings of 41st Annual Meeting of the Association for Computer Linguistics (ACL 2003 Interactive Posters/Demonstrations Sessions)　p. 149-152　2003/07

Domain-independent Spoken Dialogue Platform for Database Query Using Key-phrase Spotting Based on Combined Language Model

Kazunori Komatani, Hiroaki Kashima, Katsuaki Tanaka, Tatsuya Kawahara

Vol. 44　No. 5　p. 1333-1342　2003/05　Research paper (scientific journal)

Flexible guidance generation using user model in spoken dialogue systems

Kazunori Komatani, Shinichi Ueno, Tatsuya Kawahara, Hiroshi G. Okuno

Proceedings of the 41st Annual Meeting on Association for Computational Linguistics - ACL '03　p. 256-263　2003

Flexible Spoken Dialogue System based on User Models and Dynamic Generation of VoiceXML Scripts.

Kazunori Komatani, Fumihiro Adachi, Shinichi Ueno, Tatsuya Kawahara, Hiroshi G. Okuno

Proceedings of the SIGDIAL 2003 Workshop, The 4th Annual Meeting of the Special Interest Group on Discourse and Dialogue, July 5-6, 2003, Sapporo, Japan　p. 87-96　2003

Flexible Dialogue Management for Generating Efficient Confirmation and Guidance Using Confidence Measures of Speech Recognition Result

Kazunori Komatani, Tatsuya Kawahara

IPSJ Journal　Vol. 43　No. 10　p. 3078-3086　2002/10　Research paper (scientific journal)

Efficient Dialogue Strategy to Find Users' Intended Items from Information Query Results

K.Komatani, T.Kawahara, R.Ito, H.G.Okuno

Proc. COLING　p. 481-487　2002/08　Research paper (international conference proceedings)

Spoken Dialogue Help System for Electrical Appliances Using Knowledge and Structure of Their Manuals

Ryosuke Ito, Kazunori Komatani, Tatsuya Kawahara

IPSJ Journal　Vol. 43　No. 7　p. 2147-2154　2002/07　Research paper (scientific journal)

Domain-Independent Spoken Dialogue Platform using Key-Phrase Spotting based on Combined Language Model

Kazunori Komatani, Katsuaki Tanaka, Hiroaki Kashima, Tatsuya Kawahara

The 7th European Conf. on Speech Communication and Technology (Eurospeech2001)　p. 1319-1322　2001/09　Research paper (international conference proceedings)

Generating Effective Confirmation and Guidance using Two-level Confidence Measures for Dialogue Systems

Kazunori Komatani, Tatsuya Kawahara

Int'l Conf. Spoken Language Processing (ICSLP2000)　p. 648-651　2000/10　Research paper (international conference proceedings)

Flexible mixed-initiative dialogue management using concept-level confidence measures of speech recognizer output

Kazunori Komatani, Tatsuya Kawahara

Proceedings of the 18th conference on Computational linguistics -　p. 467-473　2000/08　Research paper (international conference proceedings)

A Dialogue Library for Task-oriented Spoken Dialogue Systems

Masahiro Araki, Kazunori Komatani, Taishi Hirata, Shuji Doshita

IJCAI Workshop on Knowledge and Reasoning in Practical Dialogue Systems　p. 1-7　1999/06　Research paper (international conference proceedings)

A Method to Infer the Utterance-Unit Tag in Dialogue Corpus

Kazunori Komatani, Masahiro Araki, Shuji Doshita

Journal of Japanese Society for Artificial Intelligence　Vol. 14　No. 2　p. 273-281　1999/03　Research paper (scientific journal)