Markpong Jongtaveesataporn, Chai Wutiwiwatchai, Koji Iwano, and Sadaoki Furui, "Thai Broadcast News Corpus Construction and Evaluation," Proceedings of the 6th edition of the Language Resources and Evaluation Conference (LREC2008), Marrakech, Morocco (2008-5).
Arnar Thor Jensson, Koji Iwano, and Sadaoki Furui, "Development of a Speech Recognition System for Icelandic Using Machine Translated Text," Proceedings of Workshop on Spoken Languages Technologies for Under-resourced Languages (SLTU 2008), Hanoi, Vietnam, pp.18-21 (2008-5).
Masanobu Nakamura, Koji Iwano, and Sadaoki Furui, "Differences between Acoustic Characteristics of Spontaneous and Read Speech and their Effects on Speech Recognition Performance," Computer Speech and Language, vol.22, iss.2, pp.171-184 (2008-4).
Taichi Asami, Koji Iwano, and Sadaoki Furui, "Evaluation of a Noise-Robust Multi-Stream Speaker Verification Method Using F0 Information," IEICE Transactions on Information and Systems, vol.E91-D, no.3, pp.549-557 (2008-3).
Hiroki Yamazaki, Koji Iwano, Koichi Shinoda, Sadaoki Furui, and Haruo Yokota, "Dynamic Language Model Adaptation Using Presentation Slides for Lecture Speech Recognition," Proceedings of the 8th Annual Conference of the International Speech Communication Association (Interspeech 2007), Antwerp, Belgium, pp.2349-2352 (2007-8).
Masanobu Nakamura, Koji Iwano, and Sadaoki Furui, "The Effect of Spectral Space Reduction in Spontaneous Speech on Recognition Performances," Proceedings of IEEE International Conference on Acoustics, Speech, & Signal Processing (ICASSP 2007), Honolulu, HI, USA, vol.4, pp.473-476 (2007-4).
Javier Latorre, Koji Iwano, and Sadaoki Furui, "Combining Gaussian Mixture Model with Global Variance Term to Improve the Quality of an HMM-Based Polyglot Speech Synthesizer," Proceedings of IEEE International Conference on Acoustics, Speech, & Signal Processing (ICASSP 2007), Honolulu, HI, USA, vol.4, pp.1241-1244 (2007-4).
Koji Iwano, Tomoaki Yoshinaga, Satoshi Tamura, and Sadaoki Furui, "Audio-Visual Speech Recognition Using Lip Information Extracted from Side-Face Images," EURASIP Journal on Audio, Speech, and Music Processing, vol.2007, Article ID 64506, 9 pages, doi:10.1155/2007/64506 (2007-3).
Arnar Thor Jensson, Koji Iwano, and Sadaoki Furui, "Development of a Speech Recognition System Using a Sparse Training Corpus," Proceedings of Symposium on Large-scale Knowledge Resources (LKR 2007), Tokyo, Japan, pp.133-136 (2007-3).
Masanobu Nakamura, Sadaoki Furui, and Koji Iwano, "Acoustic and Linguistic Characterization of Spontaneous Speech," Proceedings of Symposium on Large-scale Knowledge Resources (LKR 2007), Tokyo, Japan, pp.163-168 (2007-3).
Tatsuya Akagawa, Koji Iwano, and Sadaoki Furui, "Toward Hidden Markov Model-Based Spontaneous Speech Synthesis," Journal of the Acoustical Society of America, vol.120, no.5, pt.2, pp.3037-3038 / Program of the 4th Joint Meeting of Acoustical Society of America and Acoustic Society of Japan (ASA/ASJ), Honolulu, HI, USA, 1pSC9 (2006-11).
Javier Latorre, Koji Iwano, and Sadaoki Furui, "Clustering Strategies for Hidden Markov Model-Based Polyglot Synthesis," Journal of the Acoustical Society of America, vol.120, no.5, pt.2, p.3038 / Program of the 4th Joint Meeting of Acoustical Society of America and Acoustic Society of Japan (ASA/ASJ), Honolulu, HI, USA, 1pSC10 (2006-11).
Javier Latorre, Koji Iwano, and Sadaoki Furui, "New Approach to the Polyglot Speech Generation by Means of an HMM-Based Speaker Adaptable Synthesizer," Speech Communication, vol.48, iss.10, pp.1227-1242 (2006-10).
Koji Iwano, Kaname Kojima, and Sadaoki Furui, "A Weight Estimation Method Using LDA for Multi-Band Speech Recognition," Proceedings of the 9th International Conference on Spoken Language Processing (Interspeech 2006 - ICSLP), Pittsburgh, PA, USA, pp.2534-2537 (2006-9).
Makoto Hirohata, Yosuke Shinnaka, Koji Iwano, and Sadaoki Furui, "Sentence-Extractive Automatic Speech Summarization and Evaluation Techniques," Speech Communication, vol.48, iss.9, pp.1151-1161 (2006-9).
Dessi Puji Lestari, Koji Iwano, and Sadaoki Furui, "A Large Vocabulary Continuous Speech Recognition System for Indonesian Language," Proceedings of the 15th Indonesian Scientific Conference in Japan (ISA-Japan), Hiroshima, Japan, pp.17-22 (2006-8).
Masanobu Nakamura, Sadaoki Furui, and Koji Iwano, "Acoustic and Linguistic Characterization of Spontaneous Speech," Proceedings of ISCA Tutorial and Research Workshop on Speech Recognition and Intrinsic Variation (SRIV 2006), Toulouse, France (2006-5).
Taichi Asami, Koji Iwano, and Sadaoki Furui, "A Stream-Weight and Threshold Estimation Method Using Adaboost for Multi-Stream Speaker Verification," Proceedings of IEEE International Conference on Acoustics, Speech, & Signal Processing (ICASSP 2006), Toulouse, France, vol.5, pp.1081-1084 (2006-5).
Javier Latorre, Koji Iwano, and Sadaoki Furui, "New Approach to Polyglot Synthesis: How to Speak Any Language with Anyone's Voice," Proceedings of ISCA Tutorial and Research Workshop on Multilingual Speech and Language Processing (Multiling 2006), Stellenbosch, South Africa (2006-4).
Sadaoki Furui, Masanobu Nakamura, and Koji Iwano, "Why is Automatic Recognition of Spontaneous Speech So Difficult?," Proceedings of Symposium on Large-scale Knowledge Resources (LKR 2006), Tokyo, Japan, pp.83-90 (2006-3).
Javier Latorre, Koji Iwano, and Sadaoki Furui, "Progress on a Speaker Adaptable Polyglot Synthesizer," Proceedings of Symposium on Large-scale Knowledge Resources (LKR 2006), Tokyo, Japan, pp.125-128 (2006-3).
Sadaoki Furui, Masanobu Nakamura, Tomohisa Ichiba, and Koji Iwano, "Analysis and Recognition of Spontaneous Speech Using Corpus of Spontaneous Japanese," Speech Communication, vol.47, iss.1-2, pp.208-219 (2005-9,10).
Sadaoki Furui, Masanobu Nakamura, Tomohisa Ichiba, and Koji Iwano, "Why Is the Recognition of Spontaneous Speech so Hard?," Text, Speech and Dialogue, Václav Matoušek, Pavel Mautner, and Tomáš Pavelka (Eds.), Springer-Verlag, Berlin and Heidelberg, Germany, ISBN 3-540-28789-2, pp.9-22 (2005-9).
Arnar Thor Jensson, Edward W.D. Whittaker, Koji Iwano, and Sadaoki Furui, "Language Model Adaptation for Resource Deficient Language Using Translated Data," Proceedings of International Conference on Speech Communication and Technology (Interspeech 2005), Lisbon, Portugal, pp.1329-1332 (2005-9).
Javier Latorre, Koji Iwano, and Sadaoki Furui, "Cross-Language Synthesis with a Polyglot Synthesizer," Proceedings of International Conference on Speech Communication and Technology (Interspeech 2005), Lisbon, Portugal, pp.1477-1480 (2005-9).
Taichi Asami, Koji Iwano, and Sadaoki Furui, "Stream-Weight Optimization by LDA and Adaboost for Multi-Stream Speaker Verification," Proceedings of International Conference on Speech Communication and Technology (Interspeech 2005), Lisbon, Portugal, pp.2185-2188 (2005-9).
Sadaoki Furui, Tomohisa Ichiba, Takahiro Shinozaki, Edward W.D. Whittaker, and Koji Iwano, "Cluster-Based Modeling for Ubiquitous Speech Recognition," Proceedings of International Conference on Speech Communication and Technology (Interspeech 2005), Lisbon, Portugal, pp.2865-2868 (2005-9).
Masanobu Nakamura, Koji Iwano, and Sadaoki Furui, "Analysis of Spectral Space Reduction in Spontaneous Speech and Its Effects on Speech Recognition Performance," Proceedings of International Conference on Speech Communication and Technology (Interspeech 2005), Lisbon, Portugal, pp.3381-3384 (2005-9).
Koji Iwano, Taro Miyazaki, and Sadaoki Furui, "Multimodal Speaker Verification Using Ear Image Features Extracted by PCA and ICA," Audio- and Video-Based Biometric Person Authentication, Takeo Kanade, Anil Jain, Nalini K. Ratha (Eds.), Springer-Verlag, Berlin and Heidelberg, Germany, ISBN 3-540-27887-7, pp.588-596 (2005-7).
Javier Latorre, Koji Iwano, and Sadaoki Furui, "Polyglot Synthesis Using a Mixture of Monolingual Corpora," Proceedings of IEEE International Conference on Acoustics, Speech, & Signal Processing (ICASSP 2005), Philadelphia, PA, USA, vol.1, pp.1-4 (2005-3).
Satoshi Tamura, Koji Iwano, and Sadaoki Furui, "A Stream-Weight Optimization Method for Multi-Stream HMMs Based on Likelihood Value Normalization," Proceedings of IEEE International Conference on Acoustics, Speech, & Signal Processing (ICASSP 2005), Philadelphia, PA, USA, vol.1, pp.469-472 (2005-3).
Makoto Hirohata, Yousuke Shinnaka, Koji Iwano, and Sadaoki Furui, "Sentence Extraction-Based Presentation Summarization Techniques and Evaluation Metrics," Proceedings of IEEE International Conference on Acoustics, Speech, & Signal Processing (ICASSP 2005), Philadelphia, PA, USA, vol.1, pp.1065-1068 (2005-3).
Sadaoki Furui, Takahiro Shinozaki, Chai Wutiwiwatchai, and Koji Iwano, "Spontaneous Speech Recognition and Understanding," Annual Project Report Grant-in-Aid for Creative Basic Research, 13NP0301, Language Understanding and Action Control, pp.129-138 (2005-3).
Sadaoki Furui, Makoto Hirohata, Yousuke Shinnaka, and Koji Iwano, "Sentence Extraction-Based Automatic Speech Summarization and Evaluation Techniques," Proceedings of Symposium on Large-scale Knowledge Resources (LKR 2005), Tokyo, Japan, pp.33-38 (2005-3).
Satoshi Tamura, Koji Iwano, and Sadaoki Furui, "Toward Robust Multimodal Speech Recognition," Proceedings of Symposium on Large-scale Knowledge Resources (LKR 2005), Tokyo, Japan, pp.163-166 (2005-3).
Javier Latorre, Koji Iwano, and Sadaoki Furui, "Speaker Adaptable Multilingual Synthesis," Proceedings of Symposium on Large-scale Knowledge Resources (LKR 2005), Tokyo, Japan, pp.235-238 (2005-3).
Satoshi Tamura, Koji Iwano, and Sadaoki Furui, "A Robust Multimodal Speech Recognition Method Using Optical Flow Analysis," Spoken Multimodal Human-Computer Dialogue in Mobile Environments, Wolfgang Minker, Dirk Bühler, and Laila Dybkjær (Eds.), Springer-Verlag, Dordrecht, The Netherlands, ISBN 1-4020-3073-8, pp.37-53 (2005-1).
Koji Iwano, Takahiro Seki, and Sadaoki Furui, "Noise Robust Speech Recognition Using Prosodic Information," DSP for In-Vehicle and Mobile Systems, Hüseyin Abut, John H.L. Hansen, and Kazuya Takeda (Eds.), Springer-Verlag, New York, USA, ISBN 0-387-22978-7, pp.139-152 (2005-1).
Yoshitaka Nishimura, Takahiro Shinozaki, Koji Iwano, and Sadaoki Furui, "Noise-Robust Speech Recognition Using Multi-Band Spectral Features," Journal of the Acoustical Society of America, vol.116, no.4, pt.2, p.2480 (2004-10) / Program of the 148th Meeting of Acoustical Society of America (ASA), San Diego, CA, USA, 1aSC7 (2004-11).
Koji Iwano, Taichi Asami, and Sadaoki Furui, "Noise-Robust Speaker Verification Using F0 Features," Proceedings of the 8th International Conference on Spoken Language Processing (ICSLP 2004), Jeju Island, Korea, vol.2, pp.1417-1420 (2004-10).
Tomoaki Yoshinaga, Satoshi Tamura, Koji Iwano, and Sadaoki Furui, "Audio-Visual Speech Recognition Using New Lip Features Extracted from Side-Face Images," Proceedings of COST278 and ISCA Tutorial and Research Workshop (ITRW) on Robustness Issues in Conversational Interaction (Robust 2004), Norwich, UK (2004-8).
Koji Iwano, Masahiro Yamada, Taro Togawa, and Sadaoki Furui, "Prosody Control for HMM-Based Japanese TTS," Text to Speech Synthesis - New Paradigms and Advances -, Shrikanth Narayanan and Abeer Alwan (Eds.), Prentice Hall PTR, New Jersey, USA, ISBN 0-13-145661-X, pp.155-173 (2004-7).
Satoshi Tamura, Koji Iwano, and Sadaoki Furui, "A Stream-Weight Optimization Method for Audio-Visual Speech Recognition Using Multi-Stream HMMs," Proceedings of IEEE International Conference on Acoustics, Speech, & Signal Processing (ICASSP 2004), Quebec, Canada, vol.1, pp.857-860 (2004-5).
Koji Iwano, Takahiro Seki, and Sadaoki Furui, "Noise Robust Speech Recognition Using F0 Contour Information," IEICE Transactions on Information and Systems, vol.E87-D, no.5, pp.1102-1109 (2004-5).
Satoshi Tamura, Koji Iwano, and Sadaoki Furui, "Improvement of Audio-Visual Speech Recognition in Cars," Proceedings of International Congress on Acoustics (ICA 2004), Kyoto, Japan, vol.4, pp.2595-2598 (2004-4).
Satoshi Tamura, Koji Iwano, and Sadaoki Furui, "Multi-Modal Speech Recognition Using Optical-Flow Analysis for Lip Images," Journal of VLSI Signal Processing - Systems for Signal, Image, and Video Technology, vol.36, iss.2-3, pp.117-124 (2004-2,3).
Koji Iwano, Tomoharu Hirose, Eigo Kamibayashi, and Sadaoki Furui, "Audio-Visual Person Authentication Using Speech and Ear Images," Proceedings of Workshop on Multimodal User Authentication (MMUA 2003), Santa Barbara, CA, USA, pp.85-90 (2003-12).
Tomoaki Yoshinaga, Satoshi Tamura, Koji Iwano, and Sadaoki Furui, "Audio-Visual Speech Recognition Using Lip Movement Extracted from Side-Face Images," Proceedings of ISCA Tutorial and Research Workshop on Auditory-Visual Speech Processing (AVSP 2003), St. Jorioz, France, pp.117-120 (2003-9).
Tadasuke Yokoyama, Takahiro Shinozaki, Koji Iwano, and Sadaoki Furui, "Unsupervised Language Model Adaptation Using Word Classes for Spontaneous Speech Recognition," Proceedings of ISCA & IEEE Workshop on Spontaneous Speech Processing and Recognition (SSPR 2003), Tokyo, Japan, pp.71-74 (2003-4).
Tadasuke Yokoyama, Takahiro Shinozaki, Koji Iwano, and Sadaoki Furui, "Unsupervised Class-Based Language Model Adaptation for Spontaneous Speech Recognition," Proceedings of IEEE International Conference on Acoustics, Speech, & Signal Processing (ICASSP 2003), Hong Kong, vol.1, pp.236-239 (2003-4).
Koji Iwano, Takahiro Seki, and Sadaoki Furui, "Noise Robust Speech Recognition Using Prosodic Information," Proceedings of Workshop on DSP in Mobile and Vehicular Systems, Nagoya, Japan (2003-4).
Ryuta Taguma, Tatsuhiro Moriyama, Koji Iwano, and Sadaoki Furui, "Parallel Computing-Based Architecture for Mixed-Initiative Spoken Dialogue," Proceedings of IEEE International Conference on Multimodal Interfaces (ICMI 2002), Pittsburgh, PA, USA, pp.53-58 (2002-10).
Koji Iwano, Takahiro Seki, and Sadaoki Furui, "Noise Robust Speech Recognition Using F0 Contour Extracted by Hough Transform," Proceedings of the 7th International Conference on Spoken Language Processing (ICSLP 2002), Denver, CO, USA, vol.2, pp.941-944 (2002-9).
Koji Iwano, Masahiro Yamada, Taro Togawa, and Sadaoki Furui, "Speech-Rate-Variable HMM-Based Japanese TTS System," Proceedings of IEEE 2002 Workshop on Speech Synthesis (TTS 2002), Santa Monica, CA, USA, pp.219-222 (2002-9).
Satoshi Tamura, Koji Iwano, and Sadaoki Furui, "A Robust Multi-Modal Speech Recognition Method Using Optical-Flow Analysis," Proceedings of ISCA Tutorial and Research Workshop on Multi-Modal Dialogue in Mobile Environments (IDS 2002), Kloster Irsee, Germany, pp.2-4 (2002-6).
Keikichi Hirose, Nobuaki Minematsu, Yohei Hashimoto, and Koji Iwano, "Continuous Speech Recognition of Japanese Using Prosodic Word Boundaries Detected by Mora Transition Modeling of Fundamental Frequency Contours," Proceedings of ISCA Tutorial and Research Workshop on: Prosody in Speech Recognition and Understanding (Prosody 2001), Red Bank, NJ, USA, pp.61-66 (2001-10). PDF (287KB)
Sadaoki Furui, Koji Iwano, Chiori Hori, Takahiro Shinozaki, Yohei Saito, and Satoshi Tamura, "Ubiquitous Speech Processing," Proceedings of IEEE International Conference on Acoustics, Speech, & Signal Processing (ICASSP 2001), Salt Lake City, UT, USA, vol.1, pp.13-16 (2001-5).
Koji Iwano, Satoshi Tamura, and Sadaoki Furui, "Bimodal Speech Recognition Using Lip Movement Measured by Optical-Flow Analysis," Proceedings of International Workshop on Hands-Free Speech Communication (HSC 2001), Kyoto, Japan, pp.187-190 (2001-4).
Atsuhiro Sakurai, Koji Iwano, and Keikichi Hirose, "Modeling and Generation of Accentual Phrase F0 Contours Based on Discrete HMMs Synchronized at Mora-unit Transitions," Proceedings of the 6th International Conference on Spoken Language Processing (ICSLP 2000), Beijing, China, vol.3, pp.259-262 (2000-10). GZipped PS (112KB) PDF (1.29MB)
Keikichi Hirose and Koji Iwano, "Detection of Prosodic Word Boundaries by Statistical Modeling of Mora Transitions of Fundamental Frequency Contours and Its Use for Continuous Speech Recognition," Proceedings of IEEE International Conference on Acoustics, Speech, & Signal Processing (ICASSP 2000), Istanbul, Turkey, vol.3, pp.1763-1766 (2000-6). GZipped PS (92KB) PDF (60KB)
Koji Iwano, "Prosodic Word Boundary Detection Using Mora Transition Modeling of Fundamental Frequency Contours --Speaker Independent Experiments--," Proceedings of the 6th European Conference on Speech Communication and Technology (Eurospeech 99), Budapest, Hungary, vol.1, pp.231-234 (1999-9). GZipped PS (72KB) PDF (135KB)
Koji Iwano and Keikichi Hirose, "Prosodic Word Boundary Detection Using Statistical Modeling of Moraic Fundamental Frequency Contours and Its Use for Continuous Speech Recognition," Proceedings of IEEE International Conference on Acoustics, Speech, & Signal Processing (ICASSP 99), Phoenix, AZ, USA, vol.1, pp.133-136 (1999-3). GZipped PS (87KB) PDF (136KB)
Koji Iwano and Keikichi Hirose, "Representing Prosodic Words Using Statistical Models of Moraic Transition of Fundamental Frequency Contours of Japanese," Proceedings of the 5th International Conference on Spoken Language Processing (ICSLP 98), Sydney, Australia, vol.3, pp.599-602 (1998-12). GZipped PS (82KB) PDF (145KB)
Keikichi Hirose and Koji Iwano, "Accent Type Recognition and Syntactic Boundary Detection of Japanese Using Statistical Modeling of Moraic Transitions of Fundamental Frequency Contours," Proceedings of IEEE International Conference on Acoustics, Speech, & Signal Processing (ICASSP 98), Seattle, WA, USA, vol.1, pp.25-28 (1998-5). GZipped PS (54KB) PDF (103KB)
Keikichi Hirose and Kouji Iwano, "A Method of Representing Fundamental Frequency Contours of Japanese Using Statistical Models of Moraic Transition," Proceedings of the 5th European Conference on Speech Communication and Technology (Eurospeech 97), Rhodes, Greece, vol.1, pp.311-314 (1997-9). GZipped PS (87KB) PDF (134KB)
Keikichi Hirose, Kouji Iwano, and Tsutomu Suzuki, "Detecting Phrase Boundaries by Low-Pass Filtering of Fundamental Frequency Contours," Proceedings of the First China-Japan Workshop on Spoken Language Processing, Huang Shan, China, pp.117-122 (1997-4).
Keikichi Hirose, Kouji Iwano, and Atsuhiro Sakurai, "Posterior Use of Prosodic Features to Aid Speech Recognition," Journal of the Acoustical Society of America, vol.100, no.4, pt.2, p.2849 / Proceedings of the 3rd Joint Meeting of Acoustical Society of America and Acoustic Society of Japan (ASA/ASJ), Honolulu, HI, USA, 5pSC8, pp.1219-1222 (1996-12).
Keikichi Hirose, Kouji Iwano, and Atsuhiro Sakurai, "Use of Prosodic Features in Speech Recognition," Proceedings of 1996 IEEE Invited Workshop on Pattern Recognition for Multimedia Techniques, IEEE Taegu Section, Taegu, Korea, pp.99-108 (1996-10). GZipped PS (170KB) PDF (313KB)