国際会議論文（レフェリー付き，および招待論文のみ）

• [68] Tsuneo Nitta, Takayuki Onoda, Masashi Kimura, Yurie Iribe, Kouichi Katsurada: "One-model Speech recognition and Synthesis Based on Articulatory Movement HMMs", INTERSPEECH2010, pp. 2970-2973 (2010-9)
• [67] Ryuichi Fukui, Kouichi, Katsurada, Yurie Iribe, Tsuneo Nitta: "Facial Expression Mimicking System", the 20th International Conference on Pattern Recognition (ICPR 2010) 2010.8
• [66] Yurie Iribe, Hiroaki Nagaoka, Kouichi Katsurada and Tsuneo Nitta: "Web-based Lecture System using Slide Share for Questions and Answers in the classroom", Proc. of ICCE2009(International Conference on Computers in Education), pp.638-640, 2009.11.
• [65] Kouichi Katsurada, Akinobu Lee, Tatsuya Kawahara, Tatsuo Yotsukura, Shigeo Morishima, Takuya Nishimoto, Yoichi Yamashita and Tsuneo Nitta: "Development of a Toolkit for Spoken Dialog Systems with an Anthropomorphic Agent: Galatea", Proc. of APSIPA09, pp.148-153 (2009-10).
• [64] Kouichi Katsurada, Shigeki Teshima and Tsuneo Nitta: "Fast Keyword Detection Using Suffix Array", Proc. of INTERSPEECH2009, pp.2147-2150 (2009-9).
• [63] Mohammad Huda, Hiroaki Kawashima, Kouichi Katsurada and Tsuneo Nitta: "Distinctive Phonetic Feature (DPF) Based Phoneme Recognition Using MLNs and Inhibition/Enhancement Network for Noise Robust ASR", Proc. of NCSP09, 1PM2-K3 (2009-3).
• [62] Kouichi Katsurada, Teruki Kirihata, Masashi Kudo, Junki Takada and Tsuneo Nitta: "A Browser-based Multimodal Interaction System", Proc. of ICMI'08, pp.195-196 (2008-10).
• [61] Mohammad Nurul Huda, Kouichi Katsurada and Tsuneo Nitta: "Phoneme Recognition Based on Hybrid Neural Networks with Inhibition/Enhancement of Distinctive Phonetic Feature (DPF) Trajectories", Proc. of INTERSPEECH2008, pp.1529-1532 (2008-9).
• [60] Shuji Shinohara， Yurie Iribe， Kouichi Katsurada， Tsuneo Nitta and Shigeru Kuriyama: "A Method for Keyword Extraction Using Retrieval Information from Students", Proc. of IHSS2007， pp.37-40 2007.3.
• [59] Kouichi Katsurada, Yuji Okuma, Makoto Yano, Yurie Iribe and Tsuneo Nitta: "Management of Static/Dynamic Properties in a Multimodal Interaction System", Proc. of INTERSPEECH2007, pp.2525-2528 (2007-8).
• [58] Huda Mohammad Nurul, Muhammad Ghulam, Junsei Horikawa and Tsuneo Nitta: "Distinctive Phonetic Feature (DPF) Based Phone Segmentation using Hybrid Neural Networks", Proc. of INTERSPEECH2007, pp.94-97 (2007-8).
• [57] Mohammad Nurul Huda, Ghulam Muhammad, Yurie Iribe, Kouichi Katsurada and Tsuneo Nitta: "Distinctive Phonetic Feature (DPF) Based Phone Segmentation Using 2-Stage MLNs", Proc. of NCSP07, pp.325-328 (2007-3).
• [56] Yurie Iribe, Shuji Shinohara, Kyoichi Matsuura, Kouichi Katsurada and Tsuneo Nitta: "Self-Learning System Using Lecture Information and Biological Data", Proc. of KES2006, Part�U, LNAI4252, pp.1010-1018 (2006-10).
• [55] Muhammad Ghulam, Junsei Horikawa and Tsuneo Nitta, "Comparative study on contributions of pitch-synchronization and peak-amplitude towards robustness issue of ASR,”Proc. INTERSPEECH'06, pp. 373-376, Pittsburgh, (2006-9).
• [54] Ryo Taguchi, Masashi Kimura, Shuji Shinohara, Kouichi Katsurada and Tsuneo Nitta, "Implementation of Biases Observed in Children's Language Development into Agents", LNAI4211 Symbol Grounding and Beyond, pp.89-99 (2006-9).
• [53] Ryo Taguchi, Kouichi Katsurada and Tsuneo Nitta: "Dialog Strategy Acquisition and Its Evaluation for Efficient Learning of Word Meanings by Agents", LNAI4211 Symbol Grounding and Beyond, pp.45-56 (2006-9).
• [52] Muhammad Ghulam, Junsei Horikawa and Tsuneo Nitta, "A pitch-synchronous peak-amplitude based feature extraction method for robust ASR," Proc. IEEE ICASSP'06, pp. I-505-508, Toulouse, France, May, 2006.
• [51] Ryo Taguchi，Masashi Kimura，Shuji Shinohara，Kouichi Katsurada，Tsuneo Nitta，“Implementation of Biases Observed in Child Development into Concept Learning Agent"，Proc. of Artificial Intelligence and Applications 2006，pp.507-512，(2006-2).
• [50] Kouichi Katsurada, Kunitoshi Sato, Hiroaki Adachi, Hirobumi Yamada and Tsuneo Nitta: "A Rapid Prototyping Tool for Constructing Web-based MMI Applications", Proc. of INTERSPEECH2005, pp.1861-1864 (2005-9).
• [49] Kouichi Katsurada, Kazumine Aoki, Hirobumi Yamada and Tsuneo Nitta, "Reducing the Description Amount in Authoring MMI Applications", Proc. of INTERSPEECH2005, pp.873-876 (2005-9).
• [48] Muhammad Ghuram，Takashi，Fukuda，Junsei Horikawa and Tsuneo Nitta, "Pitch-Snchronous ZCPA(PS-ZCPA)-Based Feature Extraction with Auditory Masking," Proc. IEEE ICSLP 2005, pp.I-517-I-520, March 2005, Phiadelphia.
• [47] Ryo TAGUCHI, Kouichi KATSURADA and Tsuneo NITTA: "Automatic Acquisition of Dialog Strategies for Concept Learning through Interaction among Agents", Proc. of CIS'04, FM7.1 (2004-12).
• [46] Takashi Fukuda and Tsuneo Nitta, "Canonicalization of Feature Parameters for Automatic Speech Recognition," Proc. of ICSLP 2004, Vol.IV, pp.2537-2540, October 2004, Korea.
• [45] Muhammad Ghulam, Takashi Fukuda, Junsei Horikawa and Tsuneo Nitta, "A Noise-Robust Feature Extraction Method Based on Pitch-Synchronous ZCPA for ASR," Proc. of ICSLP 2004, Vol.I, pp.133-136, October 2004, Korea.
• [44] Kouichi KATSURADA, Yusaku NAKAMURA, Hirobumi YAMADA and Tsuneo NITTA: "XISL: A Language for Describing Multimodal Interaction Scenarios", Proc. of ICMI'03, pp.281-284 (2003-11).
• [43] Takashi Fukuda and Tsuneo Nitta, “Noise-robust Automatic Speech Recognition Using Orthogonalized Distinctive Phonetic Feature Vectors,” Proc. of Eurospeech 2003, Vol.III, pp.2189-2192(2003-9) Geneva, Switzerland.
• [42] Takashi Fukuda and Tsuneo Nitta, “Noise-robust ASR by Using Distinctive Phonetic Features Approximated with Logarithmic Normal Distribution of HMM,” Proc. of Eurospeech 2003, Vol.III, pp.2185-2188(2003-9), Geneva, Switzerland.
• [41] Muhammad Ghulam, Takashi Fukuda and Tsuneo Nitta, “Voice Quality Normalization in an Utterance for Robust ASR,” Proc. of Eurospeech 2003, Vol.III, pp.2173-217(2003-9), Geneva, Switzerland.
• [40] Tsuneo Nitta, Shingo Iseji, Takashi Fukuda, Hirobumi Yamada and Kouichi Katsurada, “Key-word Spotting Using Phonetic Distinctive Features Extracted from Output of an LVCSR Engine,” Proc. of ISCA & IEEE Workshop on Spontaneous Speech Processing and Recognition (SSPR 2003), pp.99-102(2003-4), Tokyo, Japan.
• [39] Takashi FUKUDA，Wataru YAMAMOTO, Tsuneo NITTA: "DISTINCTIVE PHONETIC FEATURE EXTRACTION FOR ROBUST SPEECH RECOGNITION", Proc. of ICASSP'03, pp.�U25-�U28 (2003-4).
• [38] Kouichi KATSURADA, Yoshihiko OOTANI, Yusaku NAKAMURA, Satoshi KOBAYASHI, Hirobumi YAMADA, Tsuneo NITTA: "A Modality Independent MMI System Architecture", Proc. of ICSLP'02, pp.2549-2552 (2002).
• [37] Kouichi KATSURADA, Hirobumi YAMADA, Yusaku NAKAMURA, Satoshi KOBAYASHI, Tsuneo NITTA: "XISL:A Devices/Contents Independent MMI Description Language", Proc. of ISCA Tutorial and Research Workshop Multi-Modal Dialogue in Mobile Environments (2002).
• [36] Muhammad Ghulam, Takaharu Sato, Takashi Fukuda and Tsuneo Nitta, "Improving Performance of an HMM-based ASR System By Using Monophone-Level Normalized Confidence Measure," Proc. of ICSLP, Vol.4，pp.2453-2456, September 2002, Denver, Colorado, USA.
• [35] Takaharu Sato, Muhammad Ghulam, Takashi Fukuda and Tsuneo Nitta, "Confidence Scoring for Accurate HMM-based Word Recognition By Using SM-based Monophone Score Normalization," Proc. of ICASSP, Vol.I, pp.217-220, May 2002, Orlando, Florida, USA.
• [34] T. Nitta, K. Katsurada, H. Yamada, Y. Nakamura, and S. Kobayashi: XISL: An Attempt to Separate Multimodal Interactions from XML Contents, Proc. of EURO- SPEECH 2001, pp.1197-1200, Sep., 2001.
• [33] K. Katsurada, Y. Nakamura, S. Kobayashi, and T. Nitta: XISL: An Attempt to Separate Interactions from Data, Proc. of INTERACT'01, pp.763-764, 2001.
• [32] T. Fukuda, M. Takigawa, and T. Nitta: Peripheral Features for HMM-based Speech Recognition, Proceedings of IEEE ICASSP'2001, pp.129-132, May 2001.
• [31] T. Nitta, M. Takigawa, and T. Fukuda: A Nobel Feature Extraction Using Multiple Acoustic Planes for HMM-based Speech Recognition, Proceedings of ICSLP'2000, pp.385-388, Oct., 2000.
• [30] T. Nitta: Feature Extraction for Speech Recognition Based on Orthogonal Acoustic- feature Planes and LDA, Proceedings of IEEE ICASSP'1999, pp.421-424, May 1999.
• [29] Y. Shiga, H. MaTsu'ura, and T. Nitta: Segmental Duration Control Based on an Articulatory Model, Proceedings of ICSLP'98, Vol.5, pp.2035-2038, Nov., 1998.
• [28] T. Nitta: A novel feature-extraction for speech recognition based on multiple acoustic-feature planes, Proceedings of IEEE International Conference on Acoustics, Speech and Signal Processing，pp.I-29-32, May, 1998.
• [27] T. Nitta: Human interface in the multimedia age, Proceedings of the 1st Japan-China Symposium on Signal Processing, pp.109-116, Nov., 1997. (Invited paper)
• [26] T. Nitta and A. Kawamura: Designing a reduced feature-vector set for speech recognition by using KL/GPD competitive training, Proceedings of the 7th European Conference on Speech Communication and Technology, pp.2107-2110, Sep., 1997.
• [25] H. Kamio, M. Amamiya, H. Matsu'ura, and T. Nitta: Muse, a rapid prototyping tool, Advances in Human Factors/ Ergonomics 21B - Design of Computing Systems (Proc. HCI International '97), pp.569-572, Aug., 1997.
• [24] T. Nitta, S. Tanaka, Y. Masai, and H. Matsu'ura: Word-spotting based on inter-word and intra- word diphone models, Proceedings of International Conference on Spoken Language Processing, pp.1093-1096, Oct., 1996.
• [23] T. Nitta, H. Kamio, M. Amamiya, A. Uchiyama, M. Tamura, and H. Matsu'ura: A multimodal dialogue platform and rapid-prototyping, Proceedings of International Workshop on Human Interface Technology, pp.1-5, Oct., 1995. (Invited paper)
• [22] T. Nitta, M. Amamiya, H. Kamio, H. Matsu'ura, A. Uchiyama, and M. Tamura: Multimodal spoken dialogue systems and rapidprototyping, Proceedings of the 6th Europian Conference on Speech Communication and Technology, pp.1969-1972, Sep., 1995.
• [21] Y. Shiga, Y. Hara, T. Nitta: A novel segment concatenation algorithm for a cepstrum-based synthesizer, Proceedings of International Conference on Spoken Language Processing, pp.1783-1786, Sep., 1994.
• [20] Y. Masai, J. Iwasaki, S. Tanaka, T. Nitta, M. Yao, T. Onogi, and A. Nakayama: A keyword-spotting unit for speaker-independent spontaneous speech recognition, Proceedings of International Conference on Spoken Language Processing, pp.1383-1386, Sep., 1994.
• [19] H. Kamio, M. Kohrida, H. Matsu'ura, M. Tamura, and T. Nitta: A UI design support tool for multimodal spoken dialogue system, Proceedings of International Conference on Spoken Language Processing, pp.1283-1286, Sep., 1994.
• [18] T, Nitta: Speech recognition applications in Japan, Proc. ICSLP'94, pp.671-674, Sep., 1994. (Invited paper)
• [17] H. Matsu'ura, Y. Masai, J. Iwasaki, S. Tanaka, H. Kamio, and T. Nitta: A multimodal, keyword-based spoken dialogue system- MultiksDial, Proceedings of IEEE International Conference on Acoustics, Speech and Signal Processing, pp.II-33-36, Apr., 1994.
• [16] H. Matsu'ura, Y. Masai, J. Iwasaki, S. Tanaka, H. Kamio, T. Nitta: Applying a spontaneous speech recognition, touch-screen, a rule-based speech synthesizer, and photoelectric sensors to a multimodal dialogue system, Proceedings of International Symposium on Spoken Dialogue, pp.105-108, Nov., 1993.
• [15] T. Nitta, Y. Masai, J. Iwasaki, S. Tanaka, H. Kamio, H. Matsu'ura: Applying multimodal spoken dialogue to social automation systems, Proceedings of ESCA/ NATO Workshop on Application of Speech Technology, pp.53-56, Sep., 1993.
• [14] T. Nitta, Y. Masai, J. Iwasaki, H. Kamio, H. Matsu'ura: A multimodal directory guidance system with an interactive mechanism, Proceedings of the 5th European Conference on Speech Communication and Technology, pp.2055-2058, Sep., 1993.
• [13] Y. Masai, S. Tanaka, T. Nitta: Speaker-independent keyword recognition based on SMQ/HMM, Proceedings of International Conference on Spoken Language Processing, pp.619-622, Oct., 1992.
• [12] T. Nitta, J. Iwasaki, Y. Masai, and H. Matsu'ura: Representing dynamic features of phonetic segment in an orthogonalized codebook of HMM based speech recognition system, Proc. ICASSP'92, pp.I-385-388, Mar., 1992.
• [11] T. Nitta, J. Iwasaki, and H. Matsu'ura: Speaker-independent word recognition using HMMs with an orthogonalized phonetic segment codebook, Proc. Eurospeech'91, pp.1107-1110, Sep., 1991.
• [10] N. Sugi, J. Iwasaki, H. Matsu'ura, T. Nitta, A. Fukumine, A. Nakayama: Speaker-independent word recognition system based on the structured transition network of phonetic segments, Proceedings of International Conference on of Spoken Language Processing, pp.533-536, Nov., 1990.
• [9] T. Nitta and N. Sugi: Issues concerning voice input applications, Proc. ICSLP'90, pp.681-684, Nov., 1990. (Invited paper)
• [8] Y. Masai, H. Matsu'ura, and T. Nitta: Speaker independent speech recognition based on neural networks of each category with embedded eigen-vectors, Proceedings of International Conference on Spoken Language Processing, pp.681-684, 1990.
• [7] H. Matsu'ura, T. Nitta, S. Hirai, Y. Takebayashi, H. Tsuboi, and H. Kanazawa: A large vocabulary word recognition system based on syllable recognition and nonlinear word matching, Proc. ICASSP'88, pp.183-186, Apr., 1988.
• [6] S. Watanabe, T. Ukita, T. Nitta, E. Saiyo: A speaker-independent connected postal code recognition system for parcel sorting, Proceedings of the International Conference on Mechanical Engineering (IMechE'86), pp.73-78, Dec., 1986.
• [5] T. Ukita, T. Nitta, and S. Watanabe: A speaker-independent recognition algorithm for connected word using word boundary hypothesizer, ICASSP'86, pp.1077-1080, Apr., 1986.
• [4] H. Tsuboi, Y. Takebayashi, H. Matsu'ura, T. Nitta, and S. Hirai: Speaker-adaptive connected syllable recognition based on the Multiple Similarity Method, Proc. ICASSP'86, pp.2655-2658, Apr., 1986.
• [3] Y. Takebayashi, H. Shinoda, H. Asada, T. Nitta, S. Hirai, and S. Watanabe: Telephone speech recognition using a hybrid method, Proc. ICPR'84, pp.1232-1235, Jun., 1984.
• [2] T. Nitta, T. Murata, H. Tsuboi, K. Takeda, T. Kawada, and S. Watanabe: Development of Japanese voice-activated word-processor based on monosyllable recognition, Proc. ICASSP'82, pp.871-874, May 1982.
• [1] T. Nitta and T. Tanaka: Free-field measurements for a loudspeaker system in a normal room using digital signal processing techniques, Proc. ICASSP'78, pp.828-831, Apr., 1978.