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Sei-ichi Nakagawa
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2020 – today
- 2024
[j56]Khomdet Phapatanaburi, Longbiao Wang
, Meng Liu, Seiichi Nakagawa, Talit Jumphoo, Peerapong Uthansakul:
Significance of relative phase features for shouted and normal speech classification. EURASIP J. Audio Speech Music. Process. 2024(1): 2 (2024)- 2023
- [c186]Yoshiki Niimura, Jun Takemoto, Atsuhiko Kai, Seiichi Nakagawa:
Attention-based CNN and Relative Phase Feature Modeling for Improved Imagined Speech Recognition. APSIPA ASC 2023: 8-14 - [c185]Kazumasa Yamamoto, Haruhiko Banno, Haruki Sakurai, Toichiro Adachi, Seiichi Nakagawa:
A Study of Speech Recognition, Speech Translation, and Speech Summarization of TED English Lectures. GCCE 2023: 451-452 - 2022
- [j55]Lili Guo, Longbiao Wang, Jianwu Dang, Eng Siong Chng, Seiichi Nakagawa:
Learning affective representations based on magnitude and dynamic relative phase information for speech emotion recognition. Speech Commun. 136: 118-127 (2022) - [c184]Kento Masuda, Yui Hayakawa, Kazumasa Yamamoto, Seiichi Nakagawa:
Summarization of Spoken Lectures Based on MMR Method and Important/Unimportant Sentence Classification Using BERT. GCCE 2022: 361-364 - 2021
- [j54]Meng Liu, Longbiao Wang, Jianwu Dang, Kong Aik Lee, Seiichi Nakagawa:
Replay attack detection using variable-frequency resolution phase and magnitude features. Comput. Speech Lang. 66: 101161 (2021) - [c183]Kazumasa Yamamoto, Akinori Ishiki, Seiichi Nakagawa:
Improvement of Elderly Speech Recognition Using Gammatone Filterbank Adaptation. GCCE 2021: 327-328 - [c182]Ryota Sakai, Atsuhiko Kai, Seiichi Nakagawa:
Classification of Imagined and Heard Speech Using Amplitude Spectrum and Relative Phase of EEG. LifeTech 2021: 373-375 - 2020
- [c181]Kazumasa Yamamoto, Ryo Yamamoto, Seiichi Nakagawa:
Effectiveness of Fine Linear Frequency Spectral Feature for Acoustic Event Detection. GCCE 2020: 923-924
2010 – 2019
- 2019
- [j53]Khomdet Phapatanaburi, Longbiao Wang, Seiichi Nakagawa, Masahiro Iwahashi:
Replay Attack Detection Using Linear Prediction Analysis-Based Relative Phase Features. IEEE Access 7: 183614-183625 (2019) - [j52]Zeyan Oo, Longbiao Wang, Khomdet Phapatanaburi, Meng Liu, Seiichi Nakagawa, Masahiro Iwahashi, Jianwu Dang:
Replay attack detection with auditory filter-based relative phase features. EURASIP J. Audio Speech Music. Process. 2019: 8 (2019) - [j51]Hiroshi Seki, Kazumasa Yamamoto, Tomoyosi Akiba, Seiichi Nakagawa:
Discriminative Learning of Filterbank Layer within Deep Neural Network Based Speech Recognition for Speaker Adaptation. IEICE Trans. Inf. Syst. 102-D(2): 364-374 (2019) - [c180]Kazumasa Yamamoto, Akira Tamagawa, Seiichi Nakagawa:
Evaluation of Real Robot Agent Interface for Spoken Dialogue System. GCCE 2019: 694-695 - [c179]Meng Liu, Longbiao Wang, Jianwu Dang, Seiichi Nakagawa, Haotian Guan, Xiangang Li:
Replay Attack Detection Using Magnitude and Phase Information with Attention-based Adaptive Filters. ICASSP 2019: 6201-6205 - 2018
- [j50]Zeyan Oo, Longbiao Wang, Khomdet Phapatanaburi, Masahiro Iwahashi, Seiichi Nakagawa, Jianwu Dang:
Phase and reverberation aware DNN for distant-talking speech enhancement. Multim. Tools Appl. 77(14): 18865-18880 (2018) - [c178]Hiroshi Kibishi, Seiichi Nakagawa:
Speech Recognition for English Uttered by Japanese with Various Proficiency Levels. GCCE 2018: 1-5 - [c177]Dongbo Li, Longbiao Wang, Jianwu Dang, Meng Liu, Zeyan Oo, Seiichi Nakagawa, Haotian Guan, Xiangang Li:
Multiple Phase Information Combination for Replay Attacks Detection. INTERSPEECH 2018: 656-660 - [c176]Meng Ge, Longbiao Wang, Seiichi Nakagawa, Yuta Kawakami, Jianwu Dang, Xiangang Li:
Pitch Synchronized Relative Phase with Peak Error Detection For Noise-robust Speaker Recognition. ISCSLP 2018: 156-160 - [c175]Meng Liu, Longbiao Wang, Zeyan Oo, Jianwu Dang, Dongbo Li, Seiichi Nakagawa:
Replay Attacks Detection Using Phase and Magnitude Features with Various Frequency Resolutions. ISCSLP 2018: 329-333 - [c174]Hiroshi Seki, Kazumasa Yamamoto, Tomoyosi Akiba, Seiichi Nakagawa:
Rapid Speaker Adaptation of Neural Network Based Filterbank Layer for Automatic Speech Recognition. SLT 2018: 574-580 - 2017
- [j49]Khomdet Phapatanaburi, Longbiao Wang, Zeyan Oo, Weifeng Li, Seiichi Nakagawa, Masahiro Iwahashi:
Noise robust voice activity detection using joint phase and magnitude based feature enhancement. J. Ambient Intell. Humaniz. Comput. 8(6): 845-859 (2017) - [j48]Longbiao Wang, Seiichi Nakagawa, Zhaofeng Zhang, Yohei Yoshida, Yuta Kawakami:
Spoofing Speech Detection Using Modified Relative Phase Information. IEEE J. Sel. Top. Signal Process. 11(4): 660-670 (2017) - [c173]Longbiao Wang, Seiichi Nakagawa, Jianwu Dang, Jianguo Wei, Tongtong Shen, Lantian Li, Thomas Fang Zheng:
Pseudo-pitch-synchronized phase information extraction and its application for robust speaker recognition. GCCE 2017: 1-5 - [c172]Kazumasa Yamamoto, Chikara Ishikawa, Koya Sahashi, Seiichi Nakagawa:
Detection of overlapping acoustic events based on NMF with shared basis vectors. GCCE 2017: 1-5 - [c171]Dairoku Kawai, Kazumasa Yamamoto, Seiichi Nakagawa:
Lyric recognition in monophonic singing using pitch-dependent DNN. ICASSP 2017: 326-330 - [c170]Hiroshi Seki, Kazumasa Yamamoto, Seiichi Nakagawa:
A deep neural network integrated with filterbank learning for speech recognition. ICASSP 2017: 5480-5484 - [c169]Longbiao Wang, Khomdet Phapatanaburi, Zeyan Oo, Seiichi Nakagawa, Masahiro Iwahashi, Jianwu Dang:
Phase aware deep neural network for noise robust voice activity detection. ICME 2017: 1087-1092 - [c168]Shoko Tsujimura, Kazumasa Yamamoto, Seiichi Nakagawa:
Automatic Explanation Spot Estimation Method Targeted at Text and Figures in Lecture Slides. INTERSPEECH 2017: 2764-2768 - 2016
- [c167]Norioki Goto, Kazumasa Yamamoto, Seiichi Nakagawa:
Domain adaptation of a speech translation system for lectures by utilizing frequently appearing parallel phrases in-domain. APSIPA 2016: 1-4 - [c166]Masaaki Takebe, Kazumasa Yamamoto, Seiichi Nakagawa:
Investigation of glottal features and annotation procedures for speech emotion recognition. APSIPA 2016: 1-4 - [c165]Dairoku Kawai, Kazumasa Yamamoto, Seiichi Nakagawa:
Speech analysis of sung-speech and lyric recognition in monophonic singing. ICASSP 2016: 271-275 - [c164]Zeyan Oo, Yuta Kawakami, Longbiao Wang, Seiichi Nakagawa, Xiong Xiao, Masahiro Iwahashi:
DNN-Based Amplitude and Phase Feature Enhancement for Noise Robust Speaker Identification. INTERSPEECH 2016: 2204-2208 - 2015
- [c163]Naoaki Hashimoto, Kazumasa Yamamoto, Seiichi Nakagawa:
Speech recognition for mixed speech and music by NMF using various cost functions and noise adaptive training methods. APSIPA 2015: 27-30 - [c162]Hiroshi Seki, Kazumasa Yamamoto, Seiichi Nakagawa:
Deep neural network based acoustic model using speaker-class information for short time utterance. APSIPA 2015: 1222-1225 - [c161]Nagisa Sakamoto, Kazumasa Yamamoto, Seiichi Nakagawa:
Combination of syllable based N-gram search and word search for spoken term detection through spoken queries and IV/OOV classification. ASRU 2015: 200-206 - [c160]Longbiao Wang, Yohei Yoshida, Yuta Kawakami, Seiichi Nakagawa:
Relative phase information for detecting human speech and spoofed speech. INTERSPEECH 2015: 2092-2096 - [c159]Akihiro Abe, Kazumasa Yamamoto, Seiichi Nakagawa:
Robust speech recognition using DNN-HMM acoustic model combining noise-aware training with spectral subtraction. INTERSPEECH 2015: 2849-2853 - 2014
- [j47]Norihide Kitaoka, Daisuke Enami, Seiichi Nakagawa:
Effect of acoustic and linguistic contexts on human and machine speech recognition. Comput. Speech Lang. 28(3): 769-787 (2014) - [j46]Aditya Arie Nugraha, Kazumasa Yamamoto, Seiichi Nakagawa:
Single-channel dereverberation by feature mapping using cascade neural networks for robust distant speaker identification and speech recognition. EURASIP J. Audio Speech Music. Process. 2014: 13 (2014) - [c158]Ryo Kawaguchi, Masatoshi Tsuchiya, Seiichi Nakagawa:
Elimination of person names in spoken documents for privacy protection. APSIPA 2014: 1-4 - [c157]Naoaki Hashimoto, Shoichi Nakano, Kazumasa Yamamoto, Seiichi Nakagawa:
Speech recognition based on Itakura-Saito divergence and dynamics/sparseness constraints from mixed sound of speech and music by non-negative matrix factorization. INTERSPEECH 2014: 2749-2753 - [c156]Nagisa Sakamoto, Kazumasa Yamamoto, Seiichi Nakagawa:
Sopoken Term Detection Based on a Syllable N-gram Index at the NTCIR-11 SpokenQuery&Doc Task. NTCIR 2014 - [c155]Yuta Kawakami, Longbiao Wang, Atsuhiko Kai, Seiichi Nakagawa:
Speaker Identification by Combining Various Vocal Tract and Vocal Source Features. TSD 2014: 382-389 - 2013
- [j45]Seiichi Nakagawa, Keisuke Iwami, Yasuhisa Fujii, Kazumasa Yamamoto:
A robust/fast spoken term detection method based on a syllable n-gram index with a distance metric. Speech Commun. 55(3): 470-485 (2013) - [c154]Yuta Kawakami, Longbiao Wang, Seiichi Nakagawa:
Speaker identification using pseudo pitch synchronized phase information in noisy environments. APSIPA 2013: 1-4 - [c153]Shoichi Nakano, Kazumasa Yamamoto, Seiichi Nakagawa:
Fast NMF based approach and VQ based approach using MFCC distance measure for speech recognition from mixed sound. APSIPA 2013: 1-4 - [c152]Aditya Arie Nugraha, Kazumasa Yamamoto, Seiichi Nakagawa:
Single channel dereverberation method in log-melspectral domain using limited stereo data for distant speaker identification. APSIPA 2013: 1-4 - [c151]Nagisa Sakamoto, Seiichi Nakagawa:
Robust/fast out-of-vocabulary spoken term detection by N-gram index with exact distance through text/speech input. APSIPA 2013: 1-4 - [c150]Yuki Todo, Ryota Nishimura, Kazumasa Yamamoto, Seiichi Nakagawa:
Development and evaluation of spoken dialog systems with one or two agents. INTERSPEECH 2013: 1896-1900 - [c149]Tomoyosi Akiba, Hiromitsu Nishizaki, Kiyoaki Aikawa, Xinhui Hu, Yoshiaki Itoh, Tatsuya Kawahara, Seiichi Nakagawa, Hiroaki Nanjo, Yoichi Yamashita:
Overview of the NTCIR-10 SpokenDoc-2 Task. NTCIR 2013 - [c148]Nagisa Sakamoto, Seiichi Nakagawa:
Spoken Term Detection by N-gram Index with Exact Distance for NTCIR-SpokenDoc2. NTCIR 2013 - [c147]Yuki Todo, Ryota Nishimura, Kazumasa Yamamoto, Seiichi Nakagawa:
Development and Evaluation of Spoken Dialog Systems with One or Two Agents through Two Domains. TSD 2013: 185-192 - 2012
- [j44]Yasuhisa Fujii, Kazumasa Yamamoto, Seiichi Nakagawa:
Improving the Readability of ASR Results for Lectures Using Multiple Hypotheses and Sentence-Level Knowledge. IEICE Trans. Inf. Syst. 95-D(4): 1101-1111 (2012) - [j43]Yasuhisa Fujii, Kazumasa Yamamoto, Seiichi Nakagawa:
Hidden Conditional Neural Fields for Continuous Phoneme Speech Recognition. IEICE Trans. Inf. Syst. 95-D(8): 2094-2104 (2012) - [j42]Welly Naptali, Masatoshi Tsuchiya, Seiichi Nakagawa:
Class-Based N-Gram Language Model for New Words Using Out-of-Vocabulary to In-Vocabulary Similarity. IEICE Trans. Inf. Syst. 95-D(9): 2308-2317 (2012) - [j41]Akio Kobayashi, Takahiro Oku, Toru Imai, Seiichi Nakagawa:
Risk-Based Semi-Supervised Discriminative Language Modeling for Broadcast Transcription. IEICE Trans. Inf. Syst. 95-D(11): 2674-2681 (2012) - [j40]Seiichi Nakagawa, Longbiao Wang, Shinji Ohtsuka:
Speaker Identification and Verification by Combining MFCC and Phase Information. IEEE Trans. Speech Audio Process. 20(4): 1085-1095 (2012) - [j39]Welly Naptali, Masatoshi Tsuchiya, Seiichi Nakagawa:
Topic-Dependent-Class-Based $n$-Gram Language Model. IEEE Trans. Speech Audio Process. 20(5): 1513-1525 (2012) - [c146]Daisuke Enami, Faqiang Zhu, Kazumasa Yamamoto, Seiichi Nakagawa:
Soft-clustering technique for training data in Age-and gender-independent speech recognition. APSIPA 2012: 1-4 - [c145]Ikuya Hirano, Longbiao Wang, Atsuhiko Kai, Seiichi Nakagawa:
On the use of phase information-based joint factor analysis for speaker verification under channel mismatch condition. APSIPA 2012: 1-4 - [c144]Hiroshi Kibishi, Seiichi Nakagawa:
An online evaluation system for English pronunciation intelligibility for Japanese English learners. APSIPA 2012: 1-4 - [c143]Shoichi Nakano, Kazumasa Yamamoto, Seiichi Nakagawa:
Fast NMF based approach and improved VQ based approach for speech recognition from mixed sound. APSIPA 2012: 1-4 - [c142]Akio Kobayashi, Takahiro Oku, Toru Imai, Seiichi Nakagawa:
Multi-objective optimization for semi-supervised discriminative language modeling. ICASSP 2012: 4997-5000 - [c141]Kengo Ohta, Masatoshi Tsuchiya, Seiichi Nakagawa:
Developing Partially-Transcribed Speech Corpus from Edited Transcriptions. LREC 2012: 3399-3404 - [c140]Seiichi Nakagawa, Erdenebat Turmunkh, Hiroshi Kibishi, Kengo Ohta, Yasuhisa Fujii, Masatoshi Tsuchiya, Kazumasa Yamamoto:
Development of large vocabulary continuous speech recognition system for Mongolian language. SLTU 2012: 19-23 - 2011
- [j38]Longbiao Wang, Norihide Kitaoka, Seiichi Nakagawa:
Distant-Talking Speech Recognition Based on Spectral Subtraction by Multi-Channel LMS Algorithm. IEICE Trans. Inf. Syst. 94-D(3): 659-667 (2011) - [c139]Kengo Ohta, Masatoshi Tsuchiya, Seiichi Nakagawa:
Detection of precisely transcribed parts from inexact transcribed corpus. ASRU 2011: 541-546 - [c138]Yasuhisa Fujii, Kazumasa Yamamoto, Seiichi Nakagawa:
Automatic speech recognition using Hidden Conditional Neural Fields. ICASSP 2011: 5036-5039 - [c137]Keisuke Iwami, Yasuhisa Fujii, Kazumasa Yamamoto, Seiichi Nakagawa:
Efficient out-of-vocabulary term detection by n-gram array indices with distance from a syllable lattice. ICASSP 2011: 5664-5667 - [c136]Yasuhisa Fujii, Kazumasa Yamamoto, Seiichi Nakagawa:
Hidden Boosted MMI and Hierarchical State Posterior Feature for Automatic Speech Recognition Based on Hidden Conditional Neural Fields. INTERSPEECH 2011: 1001-1004 - [c135]Hiroshi Kibishi, Seiichi Nakagawa:
New Feature Parameters for Pronunciation Evaluation in English Presentations at International Conferences. INTERSPEECH 2011: 1149-1152 - [c134]Akio Kobayashi, Takahiro Oku, Shinichi Homma, Toru Imai, Seiichi Nakagawa:
Lattice-Based Risk Minimization Training for Unsupervised Language Model Adaptation. INTERSPEECH 2011: 1453-1456 - [c133]Shoichi Nakano, Kazumasa Yamamoto, Seiichi Nakagawa:
Speech Recognition in Mixed Sound of Speech and Music Based on Vector Quantization and Non-Negative Matrix Factorization. INTERSPEECH 2011: 1781-1784 - [c132]Keisuke Iwami, Seiichi Nakagawa:
High speed spoken term detection by combination of n-gram array of a syllable lattice and LVCSR result for NTCIR-SpokenDoc. NTCIR 2011 - 2010
- [j37]Makoto Sakai, Norihide Kitaoka, Yuya Hattori, Seiichi Nakagawa, Kazuya Takeda:
Evaluation of Combinational Use of Discriminant Analysis-Based Acoustic Feature Transformation and Discriminative Training. IEICE Trans. Inf. Syst. 93-D(2): 395-398 (2010) - [j36]Longbiao Wang, Kazue Minami, Kazumasa Yamamoto, Seiichi Nakagawa:
Speaker Recognition by Combining MFCC and Phase Information in Noisy Conditions. IEICE Trans. Inf. Syst. 93-D(9): 2397-2406 (2010) - [j35]Alberto Yoshihiro Nakano, Seiichi Nakagawa, Kazumasa Yamamoto:
Distant Speech Recognition Using a Microphone Array Network. IEICE Trans. Inf. Syst. 93-D(9): 2451-2462 (2010) - [j34]Welly Naptali, Masatoshi Tsuchiya, Seiichi Nakagawa:
Topic-Dependent Language Model with Voting on Noun History. ACM Trans. Asian Lang. Inf. Process. 9(2): 7:1-7:31 (2010) - [c131]Longbiao Wang, Kazue Minami, Kazumasa Yamamoto, Seiichi Nakagawa:
Speaker identification by combining MFCC and phase information in noisy environments. ICASSP 2010: 4502-4505 - [c130]Kuniaki Hirabayashi, Seiichi Nakagawa:
Automatic evaluation of English pronunciation by Japanese speakers using various acoustic features and pattern recognition techniques. INTERSPEECH 2010: 598-601 - [c129]Yoshiaki Itoh, Hiromitsu Nishizaki, Xinhui Hu, Hiroaki Nanjo, Tomoyosi Akiba, Tatsuya Kawahara, Seiichi Nakagawa, Tomoko Matsui, Yoichi Yamashita, Kiyoaki Aikawa:
Constructing Japanese test collections for spoken term detection. INTERSPEECH 2010: 677-680 - [c128]Kazumasa Yamamoto, Eiichi Sueyoshi, Seiichi Nakagawa:
Speech recognition using long-term phase information. INTERSPEECH 2010: 1189-1192 - [c127]Noboru Kanedera, Tetsuo Funada, Seiichi Nakagawa:
Lecture subtopic retrieval by retrieval keyword expansion using subordinate concept. INTERSPEECH 2010: 1281-1284 - [c126]Welly Naptali, Masatoshi Tsuchiya, Seiichi Nakagawa:
Integration of cache-based model and topic dependent class model with soft clustering and soft voting. INTERSPEECH 2010: 2430-2433 - [c125]Yasuhisa Fujii, Kazumasa Yamamoto, Seiichi Nakagawa:
Improving the readability of class lecture ASR results using a confusion network. INTERSPEECH 2010: 3078-3081 - [c124]Kazumasa Yamamoto, Seiichi Nakagawa:
Evaluation of Privacy Protection Techniques for Speech Signals. IPMU (2) 2010: 653-662 - [c123]Keisuke Iwami, Yasuhisa Fujii, Kazumasa Yamamoto, Seiichi Nakagawa:
Out-of-vocabulary term detection by n-gram array with distance from continuous syllable recognition results. SLT 2010: 212-217 - [c122]Welly Naptali, Masatoshi Tsuchiya, Seiichi Nakagawa:
Topic dependent class based language model evaluation on automatic speech recognition. SLT 2010: 395-400
2000 – 2009
- 2009
- [c121]Kazumasa Yamamoto, Seiichi Nakagawa:
Privacy Protection for Speech Information. IAS 2009: 717-720 - [c120]Masatoshi Tsuchiya, Shoko Endo, Seiichi Nakagawa:
Analysis and Robust Extraction of Changing Named Entities. NEWS@IJCNLP 2009: 161-167 - [c119]Ryota Nishimura, Seiichi Nakagawa:
Response timing generation and response type selection for a spontaneous spoken dialog system. ASRU 2009: 462-467 - [c118]Welly Naptali, Masatoshi Tsuchiya, Seiichi Nakagawa:
Language Model Based on Word Order Sensitive Matrix Representation in Latent Semantic Analysis for Speech Recognition. CSIE (7) 2009: 252-256 - [c117]Longbiao Wang, Shinji Ohtsuka, Seiichi Nakagawa:
High improvement of speaker identification and verification by combining MFCC and phase information. ICASSP 2009: 4529-4532 - [c116]Alberto Yoshihiro Nakano, Seiichi Nakagawa, Kazumasa Yamamoto:
Estimating the position and orientation of an acoustic source with a microphone array network. INTERSPEECH 2009: 1127-1130 - [c115]Welly Naptali, Masatoshi Tsuchiya, Seiichi Nakagawa:
Topic dependent language model based on topic voting on noun history. INTERSPEECH 2009: 2683-2686 - [c114]Kengo Ohta, Masatoshi Tsuchiya, Seiichi Nakagawa:
Effective use of pause information in language modelling for speech recognition. INTERSPEECH 2009: 2691-2694 - 2008
- [j33]Norihide Kitaoka, Souta Hamaguchi, Seiichi Nakagawa:
Noisy Speech Recognition Based on Integration/Selection of Multiple Noise Suppression Methods Using Noise GMMs. IEICE Trans. Inf. Syst. 91-D(3): 411-421 (2008) - [j32]Longbiao Wang, Seiichi Nakagawa, Norihide Kitaoka:
Robust Speech Recognition by Combining Short-Term and Long-Term Spectrum Based Position-Dependent CMN with Conventional CMN. IEICE Trans. Inf. Syst. 91-D(3): 457-466 (2008) - [j31]Makoto Sakai, Norihide Kitaoka, Seiichi Nakagawa:
Linear Discriminant Analysis Using a Generalized Mean of Class Covariances and Its Application to Speech Recognition. IEICE Trans. Inf. Syst. 91-D(3): 478-487 (2008) - [c113]Masatoshi Tsuchiya, Shinya Hida, Seiichi Nakagawa:
Robust Extraction of Named Entity Including Unfamiliar Word. ACL (2) 2008: 125-128 - [c112]Ryota Nishimura, Norihide Kitaoka, Seiichi Nakagawa:
Analysis of relationship between impression of human-to-human conversations and prosodic change and its modeling. INTERSPEECH 2008: 534-537 - [c111]Longbiao Wang, Seiichi Nakagawa, Norihide Kitaoka:
Blind dereverberation based on CMN and spectral subtraction by multi-channel LMS algorithm. INTERSPEECH 2008: 1032-1035 - [c110]Satoru Kogure, Hiromitsu Nishizaki, Masatoshi Tsuchiya, Kazumasa Yamamoto, Shingo Togashi, Seiichi Nakagawa:
Speech recognition performance of CJLC: corpus of Japanese lecture contents. INTERSPEECH 2008: 1554-1557 - [c109]Kengo Ohta, Masatoshi Tsuchiya, Seiichi Nakagawa:
Evaluating spoken language model based on filler prediction model in speech recognition. INTERSPEECH 2008: 1558-1561 - [c108]Yasuhisa Fujii, Kazumasa Yamamoto, Norihide Kitaoka, Seiichi Nakagawa:
Class lecture summarization taking into account consecutiveness of important sentences. INTERSPEECH 2008: 2438-2441 - [c107]Shingo Togashi, Seiichi Nakagawa:
A browsing system for classroom lecture speech. INTERSPEECH 2008: 2803-2806 - [c106]Masatoshi Tsuchiya, Satoru Kogure, Hiromitsu Nishizaki, Kengo Ohta, Seiichi Nakagawa:
Developing Corpus of Japanese Classroom Lecture Speech Contents. LREC 2008 - 2007
- [j30]Ayu Purwarianti, Masatoshi Tsuchiya, Seiichi Nakagawa:
A Machine Learning Approach for an Indonesian-English Cross Language Question Answering System. IEICE Trans. Inf. Syst. 90-D(11): 1841-1852 (2007) - [j29]Ayu Purwarianti, Masatoshi Tsuchiya, Seiichi Nakagawa:
Indonesian-Japanese Transitive Translation using English for CLIR. Inf. Media Technol. 2(2): 612-640 (2007) - [j28]Longbiao Wang, Norihide Kitaoka, Seiichi Nakagawa:
Robust distant speaker recognition based on position-dependent CMN by combining speaker-specific GMM with speaker-adapted HMM. Speech Commun. 49(6): 501-513 (2007) - [c105]Masatoshi Tsuchiya, Ayu Purwarianti, Toshiyuki Wakita, Seiichi Nakagawa:
Expanding Indonesian-Japanese Small Translation Dictionary Using a Pivot Language. ACL 2007 - [c104]Ayu Purwarianti, Masatoshi Tsuchiya, Seiichi Nakagawa:
A machine learning approach for indonesian question answering system. Artificial Intelligence and Applications 2007: 573-578 - [c103]Norihide Kitaoka, Kazumasa Yamamoto, Tomohiro Kusamizu, Seiichi Nakagawa, Takeshi Yamada, Satoru Tsuge, Chiyomi Miyajima, Takanobu Nishiura, Masato Nakayama, Yuki Denda, Masakiyo Fujimoto, Tetsuya Takiguchi, Satoshi Tamura, Shingo Kuroiwa, Kazuya Takeda, Satoshi Nakamura:
Development of VAD evaluation framework CENSREC-1-C and investigation of relationship between VAD and speech recognition performance. ASRU 2007: 607-612 - [c102]Makoto Sakai, Norihide Kitaoka, Seiichi Nakagawa:
Generalization of Linear Discriminant Analysis used in Segmental Unit Input HMM for Speech Recognition. ICASSP (4) 2007: 333-336 - [c101]Longbiao Wang, Norihide Kitaoka, Seiichi Nakagawa:
Robust Distant Speech Recognition by Combining Position-Dependent CMN with Conventional CMN. ICASSP (4) 2007: 817-820 - [c100]Makoto Sakai, Norihide Kitaoka, Seiichi Nakagawa:
Selection of optimal dimensionality reduction method using chernoff bound for segmental unit input HMM. INTERSPEECH 2007: 1110-1113 - [c99]Kengo Ohta, Masatoshi Tsuchiya, Seiichi Nakagawa:
Construction of spoken language model including fillers using filler prediction model. INTERSPEECH 2007: 1489-1492 - [c98]Seiichi Nakagawa, Kouhei Asakawa, Longbiao Wang:
Speaker recognition by combining MFCC and phase information. INTERSPEECH 2007: 2005-2008 - [c97]Seiichi Nakagawa, Kei Ohta:
A statistical method of evaluating pronunciation proficiency for presentation in English. INTERSPEECH 2007: 2317-2320 - [c96]Ryota Nishimura, Norihide Kitaoka, Seiichi Nakagawa:
Prosody change and response timing analysis in spontaneously spoken dialogs and their modeling in a spoken dialog system. INTERSPEECH 2007: 2565-2568 - [c95]Yasuhisa Fujii, Norihide Kitaoka, Seiichi Nakagawa:
Automatic extraction of cue phrases for important sentences in lecture speech and automatic lecture speech summarization. INTERSPEECH 2007: 2801-2804 - [c94]Norihide Kitaoka, Ying Liang, Nobutoshi Takahashi, Seiichi Nakagawa:
One-pass LVCSR algorithm using linear lexicon search and 1-best approximation tree-structured lexicon search. ISSPA 2007: 1-4 - [c93]Makoto Sakai, Norihide Kitaoka, Seiichi Nakagawa:
Power linear discriminant analysis. ISSPA 2007: 1-4 - [c92]Longbiao Wang, Norihide Kitaoka, Seiichi Nakagawa:
Analysis of effect of compensation parameter estimation for CMN on speech/speaker recognition. ISSPA 2007: 1-4 - [c91]Ryota Nishimura, Norihide Kitaoka, Seiichi Nakagawa:
A Spoken Dialog System for Chat-Like Conversations Considering Response Timing. TSD 2007: 599-606 - 2006
- [j27]Longbiao Wang, Norihide Kitaoka, Seiichi Nakagawa:
Robust Distant Speech Recognition by Combining Multiple Microphone-Array Processing with Position-Dependent CMN. EURASIP J. Adv. Signal Process. 2006 (2006) - [j26]Seiichi Nakagawa, Wei Zhang, Mitsuo Takahashi:
Text-Independent/Text-Prompted Speaker Recognition by Combining Speaker-Specific GMM with Speaker Adapted Syllable-Based HMM. IEICE Trans. Inf. Syst. 89-D(3): 1058-1065 (2006) - [j25]Norihide Kitaoka, Masashi Takeuchi, Ryota Nishimura, Seiichi Nakagawa:
Response Timing Detection Using Prosodic and Linguistic Information for Human-friendly Spoken Dialog Systems. Inf. Media Technol. 1(1): 296-304 (2006) - [c90]Norihide Kitaoka, Souta Hamaguchi, Seiichi Nakagawa:
Noisy speech recognition based on selection of multiple noise suppression methods using noise GMMs. INTERSPEECH 2006 - [c89]Shingo Togashi, Masaru Yamaguchi, Seiichi Nakagawa:
Summarization of spoken Lectures Based on Linguistic Surface and prosodic Information. SLT 2006: 34-37 - [c88]Norihide Kitaoka, Hirotoshi Yano, Seiichi Nakagawa:
A spoken Dialog System with Automatic Recovery Mechanism from misrecognition. SLT 2006: 202-205 - 2005
- [j24]Seiichi Nakagawa, Tomohiro Watanabe, Hiromitsu Nishizaki, Takehito Utsuro:
An Unsupervised Speaker Adaptation Method for Lecture-Style Spontaneous Speech Recognition Using Multiple Recognition Systems. IEICE Trans. Inf. Syst. 88-D(3): 463-471 (2005) - [j23]Masahiko Matsushita, Hiromitsu Nishizaki, Takehito Utsuro, Seiichi Nakagawa:
Improving Keyword Recognition of Spoken Queries by Combining Multiple Speech Recognizer's Outputs for Speech-driven WEB Retrieval Task. IEICE Trans. Inf. Syst. 88-D(3): 472-480 (2005) - [j22]Norihide Kitaoka, Nobutoshi Takahashi, Seiichi Nakagawa:
Large-vocabulary continuous speech recognition using linear lexicon search and 1-best approximation tree-structured lexicon search. Syst. Comput. Jpn. 36(7): 31-39 (2005) - [j21]Takehito Utsuro, Yasuhiro Kodama, Tomohiro Watanabe, Hiromitsu Nishizaki, Seiichi Nakagawa:
Combining outputs of multiple LVCSR models by machine learning. Syst. Comput. Jpn. 36(10): 9-15 (2005) - [j20]Norihide Kitaoka, Naoko Kakutani, Seiichi Nakagawa:
Detection and recognition of correction utterances on misrecognition of spoken dialog system. Syst. Comput. Jpn. 36(11): 24-33 (2005) - [c87]Ayu Purwarianti, Masatoshi Tsuchiya, Seiichi Nakagawa:
Query Transitive Translation Using IR Score for Indonesian-Japanese CLIR. AIRS 2005: 565-570 - [c86]Norihide Kitaoka, Hironori Oshikawa, Seiichi Nakagawa:
Multimodal interface for organization name input based on combination of isolated word recognition and continuous base-word recognition. INTERSPEECH 2005: 1201-1204 - [c85]Longbiao Wang, Norihide Kitaoka, Seiichi Nakagawa:
Robust distant speaker recognition based on position dependent cepstral mean normalization. INTERSPEECH 2005: 1977-1980 - [c84]Kei Ohta, Seiichi Nakagawa:
A statistical method of evaluating pronunciation proficiency for Japanese words. INTERSPEECH 2005: 2233-2236 - [c83]Longbiao Wang, Norihide Kitaoka, Seiichi Nakagawa:
Robust distant speech recognition based on position dependent CMN using a novel multiple microphone processing technique. INTERSPEECH 2005: 2661-2664 - 2004
- [j19]Seiichi Nakagawa, Naoki Nakamura, Kazumasa Mori:
A Statistical Method of Evaluating Pronunciation Proficiency for English Words Spoken by Japanese. IEICE Trans. Inf. Syst. 87-D(7): 1917-1922 (2004) - [j18]Takehito Utsuro, Hiromitsu Nishizaki, Yasuhiro Kodama, Seiichi Nakagawa:
Estimating high-confidence portions based on agreement among outputs of multiple LVCSR models. Syst. Comput. Jpn. 35(7): 33-40 (2004) - [j17]Norihide Kitaoka, Ichiro Akahori, Seiichi Nakagawa:
Confidence measure and rejection based on correctness probability of recognition candidates. Syst. Comput. Jpn. 35(11): 91-103 (2004) - [j16]Hiromitsu Nishizaki, Seiichi Nakagawa:
Robust spoken document retrieval methods for misrecognition and out-of-vocabulary keywords. Syst. Comput. Jpn. 35(14): 44-53 (2004) - [c82]Takehito Utsuro, Kohei Hino, Mitsuhiro Kida, Seiichi Nakagawa, Satoshi Sato:
Integrating Cross-Lingually Relevant News Articles and Monolingual Web Documents in Bilingual Lexicon Acquisition. COLING 2004 - [c81]Seiichi Nakagawa, Wei Zhang, Mitsuo Takahashi:
Text-independent speaker recognition by combining speaker-specific GMM with speaker adapted syllable-based HMM. ICASSP (1) 2004: 81-84 - [c80]Hironori Oshikawa, Norihide Kitaoka, Seiichi Nakagawa:
Speech interface for name input based on combination of recognition methods using syllable-based n-gram and word dictionary. INTERSPEECH 2004: 177-180 - [c79]Masahiko Matsushita, Hiromitsu Nishizaki, Seiichi Nakagawa, Takehito Utsuro:
Keyword recognition and extraction by multiple-LVCSRs with 60, 000 words in speech-driven WEB retrieval task. INTERSPEECH 2004: 1625-1628 - [c78]Tomohiro Watanabe, Hiromitsu Nishizaki, Takehito Utsuro, Seiichi Nakagawa:
Unsupervised speaker adaptation using high confidence portion recognition results by multiple recognition systems. INTERSPEECH 2004: 1989-1992 - [c77]Norihide Kitaoka, Longbiao Wang, Seiichi Nakagawa:
Robust distant speech recognition based on position dependent CMN. INTERSPEECH 2004: 2049-2052 - [c76]Takehito Utsuro, Yasuhiro Kodama, Tomohiro Watanabe, Hiromitsu Nishizaki, Seiichi Nakagawa:
An Empirical Study on Multiple LVCSR Model Combination by Machine Learning. HLT-NAACL (Short Papers) 2004 - 2003
- [j15]Seiichi Nakagawa, Kazumasa Mori:
Speaker change detection and speaker clustering using VQ distortion measure. Syst. Comput. Jpn. 34(13): 25-35 (2003) - [c75]Takehito Utsuro, Yasuhiro Kodama, Tomohiro Watanabe, Hiromitsu Nishizaki, Seiichi Nakagawa:
Confidence of agreement among multiple LVCSR models and model combination by SVM. ICASSP (1) 2003: 16-19 - [c74]Masashi Takeuchi, Norihide Kitaoka, Seiichi Nakagawa:
Generation of natural response timing using decision tree based on prosodic and linguistic information. INTERSPEECH 2003: 609-612 - [c73]Norihide Kitaoka, Naoko Kakutani, Seiichi Nakagawa:
Detection and recognition of correction utterance in spontaneously spoken dialog. INTERSPEECH 2003: 625-628 - [c72]Masahiko Matsushita, Hiromitsu Nishizaki, Takehito Utsuro, Yasuhiro Kodama, Seiichi Nakagawa:
Evaluating multiple LVCSR model combination in NTCIR-3 speech-driven web retrieval task. INTERSPEECH 2003: 1205-1208 - [c71]Norihide Kitaoka, Masahisa Shingu, Seiichi Nakagawa:
Comparison of effects of acoustic and language knowledge on spontaneous speech perception/recognition between human and automatic speech recognizer. INTERSPEECH 2003: 2725-2728 - [c70]Seiichi Nakagawa, Wei Zhang:
Text-independent speaker recognition by speaker-specific GMM and speaker adapted syllable-based HMM. INTERSPEECH 2003: 3017-3020 - [c69]Seiichi Nakagawa, Kazumasa Mori, Naoki Nakamura:
A statistical method of evaluating pronunciation proficiency for English words spoken by Japanese. INTERSPEECH 2003: 3193-3196 - [c68]Masamitsu Umeda, Satoru Kogure, Seiichi Nakagawa:
Interpreter for Highly Portable Spoken Dialogue System. SIGDIAL Workshop 2003: 105-114 - 2002
- [j14]Kazumasa Yamamoto, Seiichi Nakagawa:
Differences of speech rate, interphoneme distance and likelihood caused by speaking style, their relationship, and recognition performance. Syst. Comput. Jpn. 33(7): 50-60 (2002) - [j13]Kazumasa Yamamoto, Seiichi Nakagawa:
Speech recognition under noisy environments using segmental unit input HMM. Syst. Comput. Jpn. 33(8): 111-120 (2002) - [c67]Norihide Kitaoka, Seiichi Nakagawa:
Evaluation of spectral subtraction with smoothing of time direction on the Aurora 2 task. INTERSPEECH 2002: 477-480 - [c66]Takehito Utsuro, Tetsuji Harada, Hiromitsu Nishizaki, Seiichi Nakagawa:
A confidence measure based on agreement among multiple LVCSR models - correlation between pair of acoustic models and confidence. INTERSPEECH 2002: 701-704 - [c65]Naoko Kakutani, Norihide Kitaoka, Seiichi Nakagawa:
Detection and recognition of repaired speech on misrecognized utterances for speech input of car navigation system. INTERSPEECH 2002: 833-836 - [c64]Hiromitsu Nishizaki, Seiichi Nakagawa:
Comparing isolately spoken keywords with spontaneously spoken queries for Japanese spoken document retrieval. INTERSPEECH 2002: 1505-1508 - [c63]Norihide Kitaoka, Daisuke Yamada, Seiichi Nakagawa:
Speaker independent speech recognition using features based on glottal sound source. INTERSPEECH 2002: 2125-2128 - [c62]Nobutoshi Takahashi, Seiichi Nakagawa:
Syllable recognition using syllable-segment statistics and syllable-based HMM. INTERSPEECH 2002: 2633-2636 - [c61]Nobuaki Minematsu, Yoshihiro Tomiyama, Kei Yoshimoto, Katsumasa Shimizu, Seiichi Nakagawa, Masatake Dantsuji, Shozo Makino:
English Speech Database Read by Japanese Learners for CALL System Development. LREC 2002 - 2001
- [c60]Kazumasa Mori, Seiichi Nakagawa:
Speaker change detection and speaker clustering using VQ distortion for broadcast news speech recognition. ICASSP 2001: 413-416 - [c59]Konstantin Markov, Seiichi Nakagawa, Satoshi Nakamura:
Discriminative training of HMM using maximum normalized likelihood algorithm. ICASSP 2001: 497-500 - [c58]Seiichi Nakagawa, Yukihisa Horibe:
A fast calculation method in LVCSRS by time-skipping and clustering of probability density distributions. INTERSPEECH 2001: 855-858 - [c57]Yasuhiro Kodama, Takehito Utsuro, Hiromitsu Nishizaki, Seiichi Nakagawa:
Experimental evaluation on confidence of agreement among multiple Japanese LVCSR models. INTERSPEECH 2001: 2549-2552 - [c56]Naoki Nakamura, Nobuaki Minematsu, Seiichi Nakagawa:
Instantaneous estimation of accentuation habits for Japanese students to learn English pronunciation. INTERSPEECH 2001: 2811-2814 - [c55]Takashi Tanaka, Kazumasa Mori, Satoshi Kobayashi, Seiichi Nakagawa:
Automatic construction of CALL system from TV news program with captions. INTERSPEECH 2001: 2815-2818 - [c54]Satoru Kogure, Seiichi Nakagawa:
A Development Tool for Spoken Dialogue Systems and Its Evaluation. TSD 2001: 373-380 - 2000
- [j12]Seiichi Nakagawa, Satoru Kogure, Toshihiko Itoh:
A Semantic Interpreter and a Cooperative Response Generator for a Robust Spoken Dialogue System. Int. J. Pattern Recognit. Artif. Intell. 14(5): 553-569 (2000) - [c53]Atsuhiko Kai, Takahiro Nakano, Seiichi Nakagawa:
Usability of Browser-Based Pen-Touch/Speech User Interfaces for Form-Based Application in Mobile Environment. ICMI 2000: 549-556 - [c52]Hiroya Fujisaki, Katsuhiko Shirai, Shuji Doshita, Seiichi Nakagawa, Keikichi Hirose, Shuichi Itahashi, Tatsuya Kawahara, Sumio Ohno, Hideaki Kikuchi, Kenji Abe, Shinya Kiriyama:
Overview of an intelligent system for information retrieval based on human-machine dialogue through spoken language. INTERSPEECH 2000: 70-73 - [c51]Nobuaki Minematsu, Seiichi Nakagawa:
Instantaneous estimation of prosodic pronunciation habits for Japanese students to learn English pronunciation. INTERSPEECH 2000: 191-194 - [c50]Satoru Kogure, Seiichi Nakagawa:
A portable development tool for spoken dialogue systems. INTERSPEECH 2000: 238-241 - [c49]Nobuaki Minematsu, Yukiko Fujisawa, Seiichi Nakagawa:
Performance comparison among HMM, DTW, and human abilities in terms of identifying stress patterns of word utterances. INTERSPEECH 2000: 617-620 - [c48]Nobuaki Minematsu, Seiichi Nakagawa:
Quality improvement of PSOLA analysis-synthesis using partial zero-phase conversion. INTERSPEECH 2000: 779-782 - [c47]Kazumasa Yamamoto, Seiichi Nakagawa:
Relationship among speaking style, inter-phoneme's distance and speech recognition performance. INTERSPEECH 2000: 859-862 - [c46]Hiromitsu Nishizaki, Seiichi Nakagawa:
A system for retrieving broadcast news speech documents using voice input keywords and similarity between words. INTERSPEECH 2000: 1073-1076
1990 – 1999
- 1999
- [c45]Kazumasa Yamamoto, Seiichi Nakagawa:
HMM composition of segmental unit input HMM for noisy speech recognition. EUROSPEECH 1999: 2865-2868 - [c44]Hiromitsu Nishizaki, Seiichi Nakagawa:
A Retrieval System of Broadcast News Speech Documents through Keyboard and Voice. TSD 1999: 286-289 - 1998
- [j11]Atsuhiko Kai, Seiichi Nakagawa:
Comparison of continuous speech recognition systems with unknown-word processing for speech disfluencies. Syst. Comput. Jpn. 29(9): 43-53 (1998) - [j10]Konstantin P. Markov, Seiichi Nakagawa:
Text-independent speaker recognition using non-linear frame likelihood transformation. Speech Commun. 24(3): 193-209 (1998) - [c43]Yukiko Fujisawa, Nobuaki Minematsu, Seiichi Nakagawa:
Evaluation of Japanese manners of generating word accent of English based on a stressed syllable detection technique. ICSLP 1998 - [c42]Kengo Hanai, Kazumasa Yamamoto, Nobuaki Minematsu, Seiichi Nakagawa:
Continuous speech recognition using segmental unit input HMMs with a mixture of probability density functions and context dependency. ICSLP 1998 - [c41]Atsuhiko Kai, Yoshifumi Hirose, Seiichi Nakagawa:
Dealing with out-of-vocabulary words and speech disfluencies in an n-gram based speech understanding system. ICSLP 1998 - [c40]Konstantin P. Markov, Seiichi Nakagawa:
Text-independent speaker recognition using multiple information sources. ICSLP 1998 - [c39]Konstantin P. Markov, Seiichi Nakagawa:
Discriminative training of GMM using a modified EM algorithm for speaker recognition. ICSLP 1998 - [c38]Nobuaki Minematsu, Seiichi Nakagawa:
Modeling of variations in cepstral coefficients caused by F0 changes and its application to speech processing. ICSLP 1998 - 1997
- [j9]Seiichi Nakagawa, Kazumasa Yamamoto:
Speech recognition using hidden Markov models based on segmental statistics. Syst. Comput. Jpn. 28(7): 31-38 (1997) - [c37]Toshihiko Ito, Akihiro Denda, Satoru Kogure, Seiichi Nakagawa:
A Robust Dialogue System with Spontaneous Speech Understanding and Cooperative Response. Real Applications@ACL/EACL 1997 - [c36]Seiichi Nakagawa, Konstantin P. Markov:
Speaker verification using frame and utterance level likelihood normalization. ICASSP 1997: 1087-1090 - [c35]Nobuaki Minematsu, Nariaki Ohashi, Seiichi Nakagawa:
Automatic detection of accent in English words spoken by Japanese students. EUROSPEECH 1997: 701-704 - [c34]Yasuhiro Taniguchi, Allan A. Reyes, Hideyuki Suzuki, Seiichi Nakagawa:
An English conversation and pronunciation CAI system using speech recognition technology. EUROSPEECH 1997: 705-708 - 1996
- [c33]Seiichi Nakagawa, Kazumasa Yamamoto:
Evaluation of segmental unit input HMM. ICASSP 1996: 439-442 - [c32]Nobuaki Minematsu, Seiichi Nakagawa:
Automatic detection of accent nuclei at the head of words for speech recognition. ICSLP 1996: 1620-1623 - [c31]Konstantin P. Markov, Seiichi Nakagawa:
Frame level likelihood normalization for text-independent speaker identification using Gaussian mixture models. ICSLP 1996: 1764-1767 - [c30]Nobuaki Minematsu, Seiichi Nakagawa, Keikichi Hirose:
Prosodic manipulation system of speech material for perceptual experiments. ICSLP 1996: 2056-2059 - 1995
- [j8]Seiichi Nakagawa, Li Zhao, Hideyuki Suzuki:
A Comparative Study of Output Probability Functions in HMMs. IEICE Trans. Inf. Syst. 78-D(6): 669-675 (1995) - [j7]Atsuhiko Kai, Seiichi Nakagawa:
Relationship among Recognition Rate, Rejection Rate and False Alarm Rate in a Spoken Word Recognition System. IEICE Trans. Inf. Syst. 78-D(6): 698-704 (1995) - [c29]Kazumasa Yamamoto, Seiichi Nakagawa:
Comparative evaluation of segmental unit input HMM and conditional density HMM. EUROSPEECH 1995: 1615-1618 - [c28]Atsuhiko Kai, Seiichi Nakagawa:
Investigation on unknown word processing and strategies for spontaneous speech understanding. EUROSPEECH 1995: 2095-2098 - 1994
- [j6]Seiichi Nakagawa, Atsuhiko Kai:
A context-free grammar-driven, one-pass HMM-based continuous speech recognition method. Syst. Comput. Jpn. 25(4): 92-102 (1994) - [j5]Seiichi Nakagawa, Yoshiyuki Ono:
Estimation of the probability density function and a posteriori probability by neural networks, and applications to vowel recognition. Syst. Comput. Jpn. 25(6): 32-40 (1994) - [c27]Li Zhao, Hideyuki Suzuki, Seiichi Nakagawa:
A comparison study of output probability functions in HMMs through spoken digit recognition. ICSLP 1994: 231-234 - [c26]Yutaka Tsurumi, Seiichi Nakagawa:
An unsupervised speaker adaptation method for continuous parameter HMM by maximum a posteriori probability estimation. ICSLP 1994: 431-434 - [c25]Mikio Masukata, Seiichi Nakagawa:
Concept and grammar acquisition based on combining with visual and auditory information. ICSLP 1994: 1163-1166 - [c24]Allan A. Reyes, Takashi Seino, Seiichi Nakagawa:
Three language identification methods based on HMMs. ICSLP 1994: 1895-1898 - [c23]Atsuhiko Kai, Seiichi Nakagawa:
Evaluation of unknown word processing in a spoken word recognition system. ICSLP 1994: 2151-2154 - 1993
- [c22]Seiichi Nakagawa, Hideyuki Suzuki:
A new speech recognition method based on VQ-distortion measure and HMM. ICASSP (2) 1993: 676-679 - [c21]Takashi Seino, Seiichi Nakagawa:
Spoken language identification using ergodic HMM with emphasized state transition. EUROSPEECH 1993: 133-136 - [c20]Seiichi Nakagawa, Hideyuki Suzuki, Li Zhao:
Evaluation of VQ-distortion based HMM. EUROSPEECH 1993: 1559-1562 - 1992
- [j4]Seiichi Nakagawa, Isao Hayakawa:
Speech recognition using various sequential networks. Syst. Comput. Jpn. 23(14): 61-71 (1992) - [c19]Seiichi Nakagawa, Isao Murase:
Relationship among phoneme/word recognition rate, perplexity and sentence recognition and comparison of language models. ICASSP 1992: 589-592 - [c18]Atsuhiko Kai, Seiichi Nakagawa:
A frame-synchronous continuous speech recognition algorithm using a top-down parsing of context-free grammar. ICSLP 1992: 257-260 - [c17]Seiichi Nakagawa, Yoshio Ueda, Takashi Seino:
Speaker-independent, text-independent language identification by HMM. ICSLP 1992: 1011-1014 - 1991
- [c16]Seiichi Nakagawa, Yoshimitsu Hirata, Isao Murase:
The syntax-oriented spoken Japanese understanding system SPOJOS-SYNO II. EUROSPEECH 1991: 463-466 - 1990
- [j3]Seiichi Nakagawa, Yasuhide Hashimoto:
Segmentation of continuous speech by HMM and bayesian probability. Syst. Comput. Jpn. 21(1): 23-33 (1990) - [c15]Seiichi Nakagawa, Yoshimitsu Hirata:
Comparison among time-delay neural networks, LVQ2 discrete parameter HMM and continuous parameter HMM. ICASSP 1990: 509-512 - [c14]Yoshimitsu Hirata, Seiichi Nakagawa:
Speaker adaptation of continuous parameter HMM. ICSLP 1990: 377-380 - [c13]Yoshio Ueda, Seiichi Nakagawa:
Diction for phoneme/syllable/word-category and identification of language using HMM. ICSLP 1990: 1209-1212 - [c12]Isao Murase, Seiichi Nakagawa:
Sentence recognition method using word cooccurrence probability and its evaluation. ICSLP 1990: 1217-1220
1980 – 1989
- 1989
- [c11]Yoshimitsu Hirata, Seiichi Nakagawa:
A lOObit/s speech coding using a speech recognition technique. EUROSPEECH 1989: 1290-1293 - [c10]Seiichi Nakagawa, Yoshihisa Ohguro, Yasuhide Hashimoto:
The syntax-oriented speech understanding system - SPOJUS-SYNO. EUROSPEECH 1989: 2224-2227 - 1988
- [c9]Seiichi Nakagawa, Yasuhide Hashimoto:
A method for continuous speech segmentation using HMM. ICPR 1988: 960-962 - 1987
- [c8]Sei-ichi Nakagawa:
Spoken sentence recognition by time-synchronous parsing algorithm of context-free grammar. ICASSP 1987: 829-832 - [c7]Hirobumi Nakanishi, Seiichi Nakagawa:
Speaker-independent word recognition by less cost and stochastic dynamic time warping method. ECST 1987: 2292-2295 - 1986
- [c6]Sei-ichi Nakagawa, Mohammed M. Jilan:
Syllable-based connected spoken word recognition by two pass O(n) DP matching and hidden Markov models. ICASSP 1986: 1117-1120 - [c5]Sei-ichi Nakagawa, Alexander G. Hauptmann, Masaru Tomita:
On quick word spotting techniques. ICASSP 1986: 2311-2314 - 1985
- [j2]Seiichi Nakagawa:
A connected spoken word recognition algorithm by augmented continuous DP matching. Syst. Comput. Jpn. 16(4): 46-56 (1985) - 1984
- [j1]Sei-ichi Nakagawa:
Connected spoken word recognition algorithms by constant time delay DP, O(n) DP and augmented continuous DP matching. Inf. Sci. 33(1-2): 63-85 (1984) - 1983
- [c4]Sei-ichi Nakagawa:
A connected spoken word recognition method by O(n) dynamic programming pattern matching algorithm. ICASSP 1983: 296-299 - [c3]Sei-ichi Nakagawa:
A Recognition Method of Connected Spoken Words With Syntactical Constraints by Augmented Continuous DP Algorithm. IJCAI 1983: 639-642
1970 – 1979
- 1979
- [c2]Sei-ichi Nakagawa, Toshiyuki Sakai:
A Parallel Tree Search Method. IJCAI 1979: 628-632 - 1978
- [c1]Sei-ichi Nakagawa, Toshiyuki Sakai:
A word recognition method from a classified phoneme string in the Lithan speech understanding system. ICASSP 1978: 726-730
Coauthor Index
[c185] [c184] [c183] [c181] [j51] [c180] [c174] [c172] [c171] [c170] [c168] [c167] [c166] [c165] [c163] [c162] [c161] [c159] [j46] [c157] [c156] [j45] [c153] [c152] [c150] [c147] [j44] [j43] [c146] [c143] [c140] [c138] [c137] [c136] [c133] [j36] [j35] [c131] [c128] [c125] [c124] [c123] [c121] [c116] [c110] [c108] [c103] [j14] [j13] [c47] [c45] [c42] [j9] [c33] [c29]
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