A frame-synchronous continuous speech recognition algorithm using a top-down parsing of context-free grammar. - Atsuhiko Kai; Seiichi Nakagawa (ICSLP, 1992)

Evaluation of unknown word processing in a spoken word recognition system. - Atsuhiko Kai; Seiichi Nakagawa (ICSLP, 1994)

A context-free grammar-driven, one-pass HMM-based continuous speech recognition method. - Seiichi Nakagawa; Atsuhiko Kai (Syst. Comput. Jpn., 1994)

Investigation on unknown word processing and strategies for spontaneous speech understanding. - Atsuhiko Kai; Seiichi Nakagawa (EUROSPEECH, 1995)

Relationship among Recognition Rate, Rejection Rate and False Alarm Rate in a Spoken Word Recognition System. - Atsuhiko Kai; Seiichi Nakagawa (IEICE Trans. Inf. Syst., 1995)

Dealing with out-of-vocabulary words and speech disfluencies in an n-gram based speech understanding system. - Atsuhiko Kai; Yoshifumi Hirose; Seiichi Nakagawa (ICSLP, 1998)

Comparison of continuous speech recognition systems with unknown-word processing for speech disfluencies. - Atsuhiko Kai; Seiichi Nakagawa (Syst. Comput. Jpn., 1998)

Usability of Browser-Based Pen-Touch/Speech User Interfaces for Form-Based Application in Mobile Environment. - Atsuhiko Kai; Takahiro Nakano; Seiichi Nakagawa (ICMI, 2000)

Linguistic and acoustic changes of user²s utterances caused by different dialogue situations. - Toshihiko Itoh; Atsuhiko Kai; Tatsuhiro Konishi; Yukihiro Itoh (INTERSPEECH, 2002)

Influence of different dialogue situations on user²s behavior in spoken corrections. - Atsuhiko Kai; Yukari Nonomura; Toshihiko Itoh; Tatsuhiro Konishi; Yukihiro Itoh (INTERSPEECH, 2002)

An understanding strategy based on plausibility score in recognition history using CSR confidence measure. - Toshihiko Itoh; Atsuhiko Kai; Yukihiro Itoh; Tatsuhiro Konishi (INTERSPEECH, 2004)

Galatea: Open-Source Software for Developing Anthropomorphic Spoken Dialog Agents. - Shinichi Kawamoto; Hiroshi Shimodaira; Tsuneo Nitta; Takuya Nishimoto; Satoshi Nakamura 001; Katsunobu Itou; Shigeo Morishima; Tatsuo Yotsukura; Atsuhiko Kai; Akinobu Lee; Yoichi Yamashita; Takao Kobayashi; et al. (Life-like characters, 2004)

Spoken language understanding method using confidence measure and dialogue history. - Noriki Fujiwara; Toshihiko Itoh; Kenji Araki; Atsuhiko Kai; Tatsuhiro Konishi; Yukihiro Itoh (Syst. Comput. Jpn., 2007)

Evaluation of Hands-Free Large Vocabulary Continuous Speech Recognition by Blind Dereverberation Based on Spectral Subtraction by Multi-channel LMS Algorithm. - Longbiao Wang; Kyohei Odani; Atsuhiko Kai (TSD, 2011)

On the use of phase information-based joint factor analysis for speaker verification under channel mismatch condition. - Ikuya Hirano; Longbiao Wang; Atsuhiko Kai; Seiichi Nakagawa (APSIPA, 2012)

Distant-talking speaker identification using a reverberation model with various artificial room impulse responses. - Longbiao Wang; Zhaofeng Zhang; Atsuhiko Kai; Yoshiki Kishi (APSIPA, 2012)

Dereverberantion based on generalized spectral subtraction for distant-talking speaker recognition. - Zhaofeng Zhang; Longbiao Wang; Atsuhiko Kai (APSIPA, 2012)

Speech Recognition by Denoising and Dereverberation Based on Spectral Subtraction in a Real Noisy Reverberant Environment. - Kyohei Odani; Longbiao Wang; Atsuhiko Kai (INTERSPEECH, 2012)

Dereverberation and denoising based on generalized spectral subtraction by multi-channel LMS algorithm using a small-scale microphone array. - Longbiao Wang; Kyohei Odani; Atsuhiko Kai (EURASIP J. Adv. Signal Process., 2012)

Speech recognition using blind source separation and dereverberation method for mixed sound of speech and music. - Longbiao Wang; Kyohei Odani; Atsuhiko Kai; Weifeng Li 001 (APSIPA, 2013)

Using acoustic dissimilarity measures based on state-level distance vector representation for improved spoken term detection. - Naoki Yamamoto; Atsuhiko Kai (APSIPA, 2013)

Hands-free speaker identification based on spectral subtraction using a multi-channel least mean square approach. - Longbiao Wang; Zhaofeng Zhang; Atsuhiko Kai (ICASSP, 2013)

Improvement of distant-talking speaker identification using bottleneck features of DNN. - Takanori Yamada; Longbiao Wang; Atsuhiko Kai (INTERSPEECH, 2013)

Spoken Term Detection Using Distance-Vector based Dissimilarity Measures and Its Evaluation on the NTCIR-10 SpokenDoc-2 Task. - Naoki Yamamoto; Atsuhiko Kai (NTCIR, 2013)

Denoising autoencoder and environment adaptation for distant-talking speech recognition with asynchronous speech recording. - Longbiao Wang; Bo Ren 006; Yuma Ueda; Atsuhiko Kai; Shunta Teraoka; Taku Fukushima (APSIPA, 2014)

Utilizing state-level distance vector representation for improved spoken term detection by text and spoken queries. - Mitsuaki Makino; Naoki Yamamoto; Atsuhiko Kai (INTERSPEECH, 2014)

Single-sided approach to discriminative PLDA training for text-independent speaker verification without using expanded i-vector. - Ikuya Hirano; Kong-Aik Lee; Zhaofeng Zhang; Longbiao Wang; Atsuhiko Kai (ISCSLP, 2014)

Distant-talking speech recognition using multi-channel LMS and multiple-step linear prediction. - Satoshi Shiota; Longbiao Wang; Kyohei Odani; Atsuhiko Kai; Weifeng Li 001 (ISCSLP, 2014)

Combining Subword and State-level Dissimilarity Measures for Improved Spoken Term Detection in NTCIR-11 SpokenQuery&Doc Task. - Mitsuaki Makino; Atsuhiko Kai (NTCIR, 2014)

Speaker Identification by Combining Various Vocal Tract and Vocal Source Features. - Yuta Kawakami; Longbiao Wang; Atsuhiko Kai; Seiichi Nakagawa (TSD, 2014)

Distant-talking speaker identification by generalized spectral subtraction-based dereverberation and its efficient computation. - Zhaofeng Zhang; Longbiao Wang; Atsuhiko Kai (EURASIP J. Audio Speech Music. Process., 2014)

Speech selection and environmental adaptation for asynchronous speech recognition. - Bo Ren 006; Longbiao Wang; Atsuhiko Kai; Zhaofeng Zhang (APSIPA, 2015)

Deep neural network-based bottleneck feature and denoising autoencoder-based dereverberation for distant-talking speaker identification. - Zhaofeng Zhang; Longbiao Wang; Atsuhiko Kai; Takanori Yamada; Weifeng Li 001; Masahiro Iwahashi (EURASIP J. Audio Speech Music. Process., 2015)

Environment-dependent denoising autoencoder for distant-talking speech recognition. - Yuma Ueda; Longbiao Wang; Atsuhiko Kai; Bo Ren 006 (EURASIP J. Adv. Signal Process., 2015)

Combining State-Level Spotting and Posterior-Based Acoustic Match for Improved Query-by-Example Spoken Term Detection. - Shuji Oishi; Tatsuya Matsuba; Mitsuaki Makino; Atsuhiko Kai (INTERSPEECH, 2016)

Combining State-level and DNN-based Acoustic Matches for Efficient Spoken Term Detection in NTCIR-12 SpokenQuery&Doc-2 Task. - Shuji Oishi; Tatsuya Matsuba; Mitsuaki Makino; Atsuhiko Kai (NTCIR, 2016)

Combination of bottleneck feature extraction and dereverberation for distant-talking speech recognition. - Bo Ren 006; Longbiao Wang; Liang Lu; Yuma Ueda; Atsuhiko Kai (Multim. Tools Appl., 2016)

Single-channel Dereverberation for Distant-Talking Speech Recognition by Combining Denoising Autoencoder and Temporal Structure Normalization. - Yuma Ueda; Longbiao Wang; Atsuhiko Kai; Xiong Xiao; Engsiong Chng; Haizhou Li 001 (J. Signal Process. Syst., 2016)

Investigation of efficient semi-automatic correction method using STD for automatic captioning. - Yuji Terada; Kenta Tamiya; Atsuhiko Kai (GCCE, 2017)

Multi-Condition Training of Denoising Autoencoder by Augmenting Simulated Reverberant Speech Data. - Raufun Nahar; Takashi Kawai; Atsuhiko Kai (GCCE, 2018)

Effects of End-to-end ASR and Score Fusion Model Learning for Improved Query-by-example Spoken Term Detection. - Takumi Kurokawa; Atsuhiko Kai; Hiroki Kondo (APSIPA, 2020)

Effect of Data Augmentation on DNN-Based VAD for Automatic Speech Recognition in Noisy Environment. - Raufun Nahar; Atsuhiko Kai (GCCE, 2020)

Retrieval-oriented E2E ASR Modeling for Improved Query-by-example Spoken Term Detection. - Takumi Kurokawa; Atsuhiko Kai (APSIPA ASC, 2021)

Robust Query-by-example Spoken Term Detection for Unknown Words Using Speech Retrieval-oriented E2E ASR Modeling. - Takumi Kurokawa; Atsuhiko Kai (GCCE, 2021)

Classification of Imagined and Heard Speech Using Amplitude Spectrum and Relative Phase of EEG. - Ryota Sakai; Atsuhiko Kai; Seiichi Nakagawa (LifeTech, 2021)

Domain Adaptation with Augmented Data by Deep Neural Network Based Method Using Re-Recorded Speech for Automatic Speech Recognition in Real Environment. - Raufun Nahar; Shogo Miwa; Atsuhiko Kai (Sensors, 2022)

Attention-based CNN and Relative Phase Feature Modeling for Improved Imagined Speech Recognition. - Yoshiki Niimura; Jun Takemoto; Atsuhiko Kai; Seiichi Nakagawa (APSIPA ASC, 2023)

Dialect Speech Recognition Modeling using Corpus of Japanese Dialects and Self-Supervised Learning-based Model XLSR. - Shogo Miwa; Atsuhiko Kai (INTERSPEECH, 2023)

Comparison of Large Pre-trained Models and Adaptation Methods for Japanese Dialects ASR. - Naoki Takahashi; Shogo Miwa; Yuta Kamiya; Takumi Toyama; Raufun Nahar; Atsuhiko Kai (GCCE, 2024)

A Parameter-Efficient Multi-Step Fine-Tuning of Multilingual and Multi-Task Learning Model for Japanese Dialect Speech Recognition. - Yuta Kamiya; Shogo Miwa; Atsuhiko Kai (O-COCOSDA, 2024)