Tetsunori Kobayashi

Naohiro Tawara, Tetsuji Ogawa, Shinji Watanabe, Tetsunori Kobayashi: Fully Bayesian inference of multi-mixture Gaussian model and its evaluation using speaker clustering. ICASSP 2012: 5253-5256

Kazuhiko Iwata, Tetsunori Kobayashi: Expressing Speaker's Intentions through Sentence-Final Intonations for Japanese Conversational Speech Synthesis. INTERSPEECH 2012

Naohiro Tawara, Tetsuji Ogawa, Shinji Watanabe, Atsushi Nakamura, Tetsunori Kobayashi: Fully Bayesian speaker clustering based on hierarchically structured utterance-oriented Dirichlet process mixture model. INTERSPEECH 2012

Tetsuji Ogawa, Kazuya Ueki, Tetsunori Kobayashi: Class-Distance-Based Discriminant Analysis and Its Application to Supervised Automatic Age Estimation. IEICE Transactions 94-D(8): 1683-1689 (2011)

Tetsuji Ogawa, Hideitsu Hino, Nima Reyhani, Noboru Murata, Tetsunori Kobayashi: Speaker recognition using multiple kernel learning based on conditional entropy minimization. ICASSP 2011: 2204-2207

Yotaro Kubo, Simon Wiesler, Ralf Schlüter, Hermann Ney, Shinji Watanabe, Atsushi Nakamura, Tetsunori Kobayashi: Subspace pursuit method for kernel-log-linear models. ICASSP 2011: 4500-4503

Nobuaki Tanaka, Tetsuji Ogawa, Tetsunori Kobayashi: Spatial Filter Calibration Based on Minimization of Modified LSD. INTERSPEECH 2011: 1761-1764

Tetsuji Ogawa, Hideitsu Hino, Noboru Murata, Tetsunori Kobayashi: Speaker Verification Robust to Talking Style Variation Using Multiple Kernel Learning Based on Conditional Entropy Minimization. INTERSPEECH 2011: 2741-2744

Naohiro Tawara, Shinji Watanabe, Tetsuji Ogawa, Tetsunori Kobayashi: Speaker Clustering Based on Utterance-Oriented Dirichlet Process Mixture Model. INTERSPEECH 2011: 2905-2908

Tetsuji Ogawa, Shintaro Takada, Kenzo Akagiri, Tetsunori Kobayashi: Speech Enhancement Using a Square Microphone Array in the Presence of Directional and Diffuse Noise. IEICE Transactions 93-A(5): 926-935 (2010)

Yotaro Kubo, Shinji Watanabe, Atsushi Nakamura, Erik McDermott, Tetsunori Kobayashi: A Sequential Pattern Classifier Based on Hidden Markov Kernel Machine and Its Application to Phoneme Classification. J. Sel. Topics Signal Processing 4(6): 974-984 (2010)

Yotaro Kubo, Shinji Watanabe, Atsushi Nakamura, Tetsunori Kobayashi: A regularized discriminative training method of acoustic models derived by minimum relative entropy discrimination. INTERSPEECH 2010: 2954-2957

Yoichi Matsuyama, Shinya Fujie, Hikaru Taniyama, Tetsunori Kobayashi: Psychological evaluation of a group communication activation robot in a party game. INTERSPEECH 2010: 3046-3049

Tetsuji Ogawa, Tetsunori Kobayashi: Influence of Lombard Effect: Accuracy Analysis of Simulation-Based Assessments of Noisy Speech Recognition Systems for Various Recognition Conditions. IEICE Transactions 92-D(11): 2244-2252 (2009)

Yoichi Matsuyama, Hikaru Taniyama, Shinya Fujie, Tetsunori Kobayashi: System design of group communication activator: an entertainment task for elderly care. HRI 2009: 243-244

Shinya Fujie, Yoichi Matsuyama, Hikaru Taniyama, Tetsunori Kobayashi: Conversation robot participating in and activating a group communication. INTERSPEECH 2009: 264-267

Kosuke Hosoya, Tetsuji Ogawa, Tetsunori Kobayashi: Robot auditory system using head-mounted square microphone array. IROS 2009: 2736-2741

Kazuki Hoshiai, Shinya Fujie, Tetsunori Kobayashi: Upper-Body Contour Extraction Using Face and Body Shape Variance Information. PSIVT 2009: 862-873

Yoichi Matsuyama, Kosuke Hosoya, Hikaru Taniyama, Hiroki Tsuboi, Shinya Fujie, Tetsunori Kobayashi: SCHEMA: multi-party interaction-oriented humanoid robot. SIGGRAPH ASIA Art Gallery & Emerging Technologies 2009: 82

Shoei Sato, Akio Kobayashi, Kazuo Onoe, Shinichi Homma, Toru Imai, Tohru Takagi, Tetsunori Kobayashi: Mutual Information Based Dynamic Integration of Multiple Feature Streams for Robust Real-Time LVCSR. IEICE Transactions 91-D(3): 815-824 (2008)

Naoya Mochiki, Tetsuji Ogawa, Tetsunori Kobayashi: Ears of the Robot: Direction of Arrival Estimation Based on Pattern Recognition Using Robot-Mounted Microphones. IEICE Transactions 91-D(5): 1522-1530 (2008)

Matthias Wimmer, Shinya Fujie, Freek Stulp, Tetsunori Kobayashi, Bernd Radig: An ASM fitting method based on machine learning that provides a robust parameter initialization for AAM fitting. FG 2008: 1-6

Kazuki Hoshiai, Shinya Fujie, Tetsunori Kobayashi: Upper-body contour extraction and tracking using face and body shape variance information. Humanoids 2008: 391-398

Shinya Fujie, Daichi Watanabe, Yuhi Ichikawa, Hikaru Taniyama, Kosuke Hosoya, Yoichi Matsuyama, Tetsunori Kobayashi: Multi-modal integration for personalized conversation: Towards a humanoid in daily life. Humanoids 2008: 617-622

Yoichi Matsuyama, Hikaru Taniyama, Shinya Fujie, Tetsunori Kobayashi: Designing communication activation system in group communication. Humanoids 2008: 629-634

Shintaro Takada, Tetsuji Ogawa, Kenzo Akagiri, Tetsunori Kobayashi: Speech enhancement using square microphone array for mobile devices. ICASSP 2008: 313-316

Makoto Tachibana, Shinsuke Izawa, Takashi Nose, Tetsunori Kobayashi: Speaker and style adaptation using average voice model for style control in HMM-based speech synthesis. ICASSP 2008: 4633-4636

Suphattharachai Chomphan, Tetsunori Kobayashi: Incorporation of phrase intonation to context clustering for average voice models in HMM-based Thai speech synthesis. ICASSP 2008: 4637-4640

Teppei Nakano, Tomoyuki Kumai, Tetsunori Kobayashi, Yasushi Ishikawa: Design and formulation for speech interface based on flexible shortcuts. INTERSPEECH 2008: 2474-2477

Cynthia Breazeal, Atsuo Takanishi, Tetsunori Kobayashi: Social Robots that Interact with People. Springer Handbook of Robotics 2008: 1349-1369

Kazuya Ueki, Tetsunori Kobayashi: Fusion-Based Age-Group Classification Method Using Multiple Two-Dimensional Feature Extraction Algorithms. IEICE Transactions 90-D(6): 923-934 (2007)

Naoya Mochiki, Tetsuji Ogawa, Tetsunori Kobayashi: Ears of the Robot: Three Simultaneous Speech Segregation and Recognition Using Robot-Mounted Microphones. IEICE Transactions 90-D(9): 1465-1468 (2007)

Ryo Mochizuki, Tadashi Okubo, Tetsunori Kobayashi: Spectrum conversion using prosodic information. Systems and Computers in Japan 38(10): 12-20 (2007)

Sadaoki Furui, Tetsunori Kobayashi: Introduction of the METI project "development of fundamental speech recognition technology". ASRU 2007: 248

Teppei Nakano, Shinya Fujie, Tetsunori Kobayashi: Extensible speech recognition system using proxy-agent. ASRU 2007: 601-606

Shoei Sato, Kazuo Onoe, Akio Kobayashi, Shinichi Homma, Toru Imai, Tohru Takagi, Tetsunori Kobayashi: Dynamic integration of multiple feature streams for robust real-time LVCSR. INTERSPEECH 2007: 1146-1149

Tetsuji Ogawa, Tetsunori Kobayashi: Genetic Algorithm Based Optimization of Partly-Hidden Markov Model Structure Using Discriminative Criterion. IEICE Transactions 89-D(3): 939-945 (2006)

Tadashi Okubo, Ryo Mochizuki, Tetsunori Kobayashi: Hybrid Voice Conversion of Unit Selection and Generation Using Prosody Dependent HMM. IEICE Transactions 89-D(11): 2775-2782 (2006)

Shinya Fujie, Yasushi Ejiri, Hideaki Kikuchi, Tetsunori Kobayashi: Recognition of positive/negative attitude and its application to a spoken dialogue system. Systems and Computers in Japan 37(12): 45-55 (2006)

Kenichiro Hosokawa, Shinya Fujie, Tetsunori Kobayashi: Adaptive understanding of proposal-requesting expressions for conversational information retrieval system. Systems and Computers in Japan 37(14): 62-72 (2006)

Kazuya Ueki, Teruhide Hayashida, Tetsunori Kobayashi: Subspace-based Age-group Classification Using Facial Images under Various Lighting Conditions. FG 2006: 43-48

Shinya Fujie, Toshihiko Yamahata, Tetsunori Kobayashi: Conversation Robot with the Function of Gaze Recognition. Humanoids 2006: 364-369

Kazuya Ueki, Teruhide Hayashida, Tetsunori Kobayashi: Two-dimensional Heteroscedastic Linear Discriminant Analysis for Age-group Classification. ICPR (2) 2006: 585-588

Teppei Nakano, Shinya Fujie, Tetsunori Kobayashi: MONEA: Message-oriented Networked-robot Architecture. ICRA 2006: 194-199

Toshiaki Kubo, Tetsuji Ogawa, Tetsunori Kobayashi: Manifold HLDA and its application to robust speech recognition. INTERSPEECH 2006

Yosuke Sato, Tetsuji Ogawa, Tetsunori Kobayashi: Extension of Hidden Markov Models for Multiple Candidates and Its Application to Gesture Recognition. IEICE Transactions 88-D(6): 1239-1247 (2005)

Tetsuji Ogawa, Tetsunori Kobayashi: An extension of the state-observation dependency in partly hidden Markov models and its application to continuous speech recognition. Systems and Computers in Japan 36(8): 31-39 (2005)

Shinya Fujie, Kenta Fukushima, Tetsunori Kobayashi: Back-channel feedback generation using linguistic and nonlinguistic information and its application to spoken dialogue system. INTERSPEECH 2005: 889-892

Tetsuji Ogawa, Tetsunori Kobayashi: Optimizing the structure of partly-hidden Markov models using weighted likelihood-ratio maximization criterion. INTERSPEECH 2005: 3353-3356

Ryo Mochizuki, Tetsunori Kobayashi: A Low-Band Spectrum Envelope Reconstruction Method for PSOLA-Based F₀ Modification. IEICE Transactions 87-D(10): 2426-2429 (2004)

Yosuke Matsusaka, Kentaro Oku, Tetsunori Kobayashi: Design and implementation of data sharing architecture for multifunctional robot development. Systems and Computers in Japan 35(8): 54-65 (2004)

Kazuya Ueki, Hiromitsu Komatsu, Satoshi Imaizumi, Kenichi Kaneko, Nobuhiro Sekine, Jiro Katto, Tetsunori Kobayashi: A Method of Gender Classification by Integrating Facial, Hairstyle, and Clothing Images. ICPR (4) 2004: 446-449

Shinya Fujie, Tetsunori Kobayashi, Daizo Yagi, Hideaki Kikuchi: Prosody based attitude recognition with feature selection and its application to spoken dialog system as para-linguistic information. INTERSPEECH 2004

Masataka Goto, Koji Kitayama, Katsunobu Itou, Tetsunori Kobayashi: Speech spotter: on-demand speech recognition in human-human conversation on the telephone or in face-to-face situations. INTERSPEECH 2004

Naoya Mochiki, Tetsunori Kobayashi, Toshiyuki Sekiya, Tetsuji Ogawa: Recognition of three simultaneous utterance of speech by four-line directivity microphone mounted on head of robot. INTERSPEECH 2004

Masataka Goto, Katunobu Itou, Koji Kitayama, Tetsunori Kobayashi: Speech-Recognition Interfaces for Music Information Retrieval: 'Speech Completion' and 'Speech Spotter'. ISMIR 2004

Yosuke Wada, Norihiko Kobayashi, Tetsunori Kobayashi: Robust language modeling for a small corpus of target tasks using class-combined word statistics and selective use of a general corpus. Systems and Computers in Japan 34(12): 92-102 (2003)

Noriyuki Murai, Tetsunori Kobayashi: Dictation of multiparty conversation considering speaker individuality and turn taking. Systems and Computers in Japan 34(13): 103-111 (2003)

Masataka Goto, Yukihiro Omoto, Katunobu Itou, Tetsunori Kobayashi: Speech shift: direct speech-input-mode switching through intentional control of voice pitch. INTERSPEECH 2003

Koji Kitayama, Masataka Goto, Katunobu Itou, Tetsunori Kobayashi: Speech starter: noise-robust endpoint detection by using filled pauses. INTERSPEECH 2003

Toshiyuki Sekiya, Tetsuji Ogawa, Tetsunori Kobayashi: Speech recognition of double talk using SAFIA-based audio segregation. INTERSPEECH 2003

Shuji Hashimoto, Seinosuke Narita, Hironori Kasahara, Katsuhiko Shirai, Atsuo Kobayashi, Atsuo Takanishi, Shigeki Sugano, Jin'ichi Yamaguchi, Hideyuki Sawada, Hideaki Takanobu, Koji Shibuya, Toshio Morita, T. Kurata, N. Onoe, K. Ouchi, T. Noguchi, Yosihiro Niwa, Seikon Nagayama, Hirokazu Tabayashi, I. Matsui, Motoki Obata, H. Matsuzaki, A. Murasugi, Tetsunori Kobayashi, S. Haruyama, Tetsuhiko Okada, Y. Hidaki, Yuichi Taguchi, Keiichiro Hoashi, Emi Morikawa, Yuri Iwano, D. Araki, J. Suzuki, Masao Yokoyama, I. Dawa, Daisuke Nishino, Sadatoshi Inoue, T. Hirano, Eiji Soga, S. Gen, T. Yanada, Keisuke Kato, S. Sakamoto, Y. Ishii, Shigeru Matsuo, Yousuke Yamamoto, Kensuke Sato, T. Hagiwara, T. Ueda, N. Honda, Kazuo Hashimoto, T. Hanamoto, S. Kayaba, Takuya Kojima, Hiroyasu Iwata, H. Kubodera, R. Matsuki, T. Nakajima, K. Nitto, D. Yamamoto, Y. Kamizaki, S. Nagaike, Y. Kunitake, Satoshi Morita: Humanoid Robots in Waseda University-Hadaly-2 and WABIAN. Auton. Robots 12(1): 25-38 (2002)

Satoshi Nakamura, Kazuo Hiyane, Futoshi Asano, Yutaka Kaneda, Takeshi Yamada, Takanobu Nishiura, Tetsunori Kobayashi, Shiro Ise, Hiroshi Saruwatari: Design and collection of acoustic sound data for hands-free speech recognition and sound scene understanding. ICME (2) 2002: 161-164

Yoshiaki Sugie, Tetsunori Kobayashi: Media-Integrated Biometric Person Recognition Based on the Dempster-Shafer Theory. ICPR (4) 2002: 381-384

Yosuke Sato, Tetsunori Kobayashi: Extension of Hidden Markov Models to Deal with Multiple Candidates of Observations and its Application to Mobile-Robot-Oriented Gesture Recognition. ICPR (2) 2002: 515-

Tetsuji Ogawa, Tetsunori Kobayashi: Generalization of state-observation-dependency in partly hidden Markov models. INTERSPEECH 2002

Yosuke Matsusaka, Shinya Fujie, Tetsunori Kobayashi: Modeling of conversational strategy for the robot participating in the group conversation. INTERSPEECH 2001: 2173-2176

Tatsuya Kawahara, Akinobu Lee, Tetsunori Kobayashi, Kazuya Takeda, Nobuaki Minematsu, Shigeki Sagayama, Katsunobu Itou, Akinori Ito, Mikio Yamamoto, Atsushi Yamada, Takehito Utsuro, Kiyohiro Shikano: Free software toolkit for Japanese large vocabulary continuous speech recognition. INTERSPEECH 2000: 476-479

Katsunobu Itou, Kiyohiro Shikano, Tatsuya Kawahara, Kazuya Takeda, Atsushi Yamada, Akinori Ito, Takehito Utsuro, Tetsunori Kobayashi, Nobuaki Minematsu, Mikio Yamamoto, Shigeki Sagayama, Akinobu Lee: IPA Japanese Dictation Free Software Project. LREC 2000

Norihiko Kobayashi, Tetsunori Kobayashi: Class-combined word n-gram for robust language modeling. EUROSPEECH 1999

Yosuke Matsusaka, Tsuyoshi Tojo, Sentaro Kubota, Kenji Furukawa, Daisuke Tamiya, Keisuke Hayata, Yuichiro Nakano, Tetsunori Kobayashi: Multi-person conversation via multi-modal interface - a robot who communicate with multi-user -. EUROSPEECH 1999

Katunobu Itou, Mikio Yamamoto, Kazuya Takeda, Toshiyuki Takezawa, Tatsuo Matsuoka, Tetsunori Kobayashi, Kiyohiro Shikano, Shuichi Itahashi: The design of the newspaper-based Japanese large vocabulary continuous speech recognition corpus. ICSLP 1998

Tatsuya Kawahara, Tetsunori Kobayashi, Kazuya Takeda, Nobuaki Minematsu, Katsunobu Itou, Mikio Yamamoto, Atsushi Yamada, Takehito Utsuro, Kiyohiro Shikano: Sharable software repository for Japanese large vocabulary continuous speech recognition. ICSLP 1998

Tetsunori Kobayashi, Yosuke Wada, Norihiko Kobayashi: Source-extended language model for large vocabulary continuous speech recognition. ICSLP 1998

Ryuji Mine, Tetsunori Kobayashi, Katsuhiko Shirai: Speech recognition in nonstationary noise based on parallel HMMs and spectral subtraction. Systems and Computers in Japan 27(14): 37-44 (1996)

Tetsunori Kobayashi: ALICE: acquisition of language in conversational environment - an approach to weakly supervised training of spoken language system for language porting. ICSLP 1996

Hideaki Kikuchi, Ikuo Kudo, Tetsunori Kobayashi, Katsuhiko Shirai: Handling of user interruption to achieve timing-free utterances for spoken dialogue interface. Systems and Computers in Japan 26(14): 92-104 (1995)

Takuya Nishirnoto, Nobutoshi Shida, Tetsunori Kobayashi, Katsuhiko Shirai: Multimodal drawing tool using speech, mouse and key-board. ICSLP 1994

Shigeki Okawa, Tetsunori Kobayashi, Katsuhiko Shirai: Phoneme recognition in various styles of utterance based on mutual information criterion. ICSLP 1994

Naohiro Sakurai, Takerni Mochida, Tetsunori Kobayashi, Katsuhiko Shirai: Generation of prosody in speech synthesis using large speech data-base. ICSLP 1994

Tetsunori Kobayashi, Ryuji Mine, Katsuhiko Shirai: Speech recognition under the unstationary noise based on the noise Markov model and spectral-subtraction. EUROSPEECH 1993

Shigeki Okawa, Tetsunori Kobayashi, Katsuhiko Shirai: Word spotting in conversational speech based on phonemic unit likelihood by mutual information criterion. EUROSPEECH 1993

Tetsunori Kobayashi, Katsuhiko Shirai: Spectral mapping onto probabilistic domain using neural networks and its application to speaker adaptive phoneme recognition. ICSLP 1992

Katsuhiko Shirai, Shigeki Okawa, Tetsunori Kobayashi: Phoneme recognition in continuous speech based on mutual information considering phonemic duration and connectivity. ICSLP 1992

Katsuhiko Shirai, Kazuo Hashimoto, Tetsunori Kobayashi: Text-to-speech synthesizer using superposition of sinusoidal waves generated by synchronized oscillators. EUROSPEECH 1991

Tetsunori Kobayashi, Toshiyuki Matsuda, Kazuhiro Watanabe: Contextual factor analysis of vowel distribution. EUROSPEECH 1989: 2277-2280

Tetsunori Kobayashi, Katsuhiko Shirai: Description of task dependent knowledge for speech understanding system. ECST 1987: 2405

Katsuhiko Shirai, Tetsunori Kobayashi: Estimating articulatory motion from speech wave. Speech Communication 5(2): 159-170 (1986)