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Hirokazu Masataki
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2010 – 2019
- 2019
- [j7]Ryo Masumura, Taichi Asami, Takanobu Oba, Hirokazu Masataki, Sumitaka Sakauchi:
Viterbi Approximation of Latent Words Language Models for Automatic Speech Recognition. J. Inf. Process. 27: 168-176 (2019) - 2018
- [j6]Ryo Masumura, Taichi Asami, Takanobu Oba, Hirokazu Masataki, Sumitaka Sakauchi, Akinori Ito
:
Domain Adaptation Based on Mixture of Latent Words Language Models for Automatic Speech Recognition. IEICE Trans. Inf. Syst. 101-D(6): 1581-1590 (2018) - [c37]Ryo Masumura, Tomohiro Tanaka, Ryuichiro Higashinaka, Hirokazu Masataki, Yushi Aono:
Multi-task and Multi-lingual Joint Learning of Neural Lexical Utterance Classification based on Partially-shared Modeling. COLING 2018: 3586-3596 - [c36]Ryo Masumura, Yusuke Ijima, Taichi Asami, Hirokazu Masataki, Ryuichiro Higashinaka:
Neural Confnet Classification: Fully Neural Network Based Spoken Utterance Classification Using Word Confusion Networks. ICASSP 2018: 6039-6043 - [c35]Tomohiro Tanaka, Ryo Masumura, Hirokazu Masataki, Yushi Aono:
Neural Error Corrective Language Models for Automatic Speech Recognition. INTERSPEECH 2018: 401-405 - [c34]Ryo Masumura, Tomohiro Tanaka, Atsushi Ando, Hirokazu Masataki, Yushi Aono:
Role Play Dialogue Aware Language Models Based on Conditional Hierarchical Recurrent Encoder-Decoder. INTERSPEECH 2018: 1259-1263 - 2017
- [c33]Ryo Masumura, Taichi Asami, Hirokazu Masataki, Yushi Aono:
Joint unsupervised adaptation of n-gram and RNN language models via LDA-based hybrid mixture modeling. APSIPA 2017: 1588-1591 - [c32]Taichi Asami, Ryo Masumura, Yoshikazu Yamaguchi, Hirokazu Masataki, Yushi Aono:
Domain adaptation of DNN acoustic models using knowledge distillation. ICASSP 2017: 5185-5189 - [c31]Ryo Masumura, Taichi Asami, Hirokazu Masataki, Yushi Aono:
Parallel phonetically aware DNNs and LSTM-RNNS for frame-by-frame discriminative modeling of spoken language identification. ICASSP 2017: 5260-5264 - [c30]Ryo Masumura, Taichi Asami, Hirokazu Masataki, Kugatsu Sadamitsu, Kyosuke Nishida, Ryuichiro Higashinaka:
Hyperspherical Query Likelihood Models with Word Embeddings. IJCNLP(2) 2017: 210-216 - [c29]Ryo Masumura, Taichi Asami, Hirokazu Masataki, Ryo Ishii, Ryuichiro Higashinaka:
Online End-of-Turn Detection from Speech Based on Stacked Time-Asynchronous Sequential Networks. INTERSPEECH 2017: 1661-1665 - 2016
- [j5]Ryo Masumura, Taichi Asami, Takanobu Oba, Hirokazu Masataki, Sumitaka Sakauchi, Akinori Ito
Investigation of Combining Various Major Language Model Technologies including Data Expansion and Adaptation. IEICE Trans. Inf. Syst. 99-D(10): 2452-2461 (2016) - [j4]Ryo Masumura, Taichi Asami, Takanobu Oba, Hirokazu Masataki, Sumitaka Sakauchi, Satoshi Takahashi:
N-gram Approximation of Latent Words Language Models for Domain Robust Automatic Speech Recognition. IEICE Trans. Inf. Syst. 99-D(10): 2462-2470 (2016) - [c28]Ryo Masumura, Taichi Asami, Hirokazu Masataki, Yushi Aono, Sumitaka Sakauchi:
Language Identification Based on Generative Modeling of Posteriorgram Sequences Extracted from Frame-by-Frame DNNs and LSTM-RNNs. INTERSPEECH 2016: 3275-3279 - 2015
- [c27]Ryo Masumura, Taichi Asami, Takanobu Oba, Hirokazu Masataki, Sumitaka Sakauchi, Akinori Ito
Hierarchical Latent Words Language Models for Robust Modeling to Out-Of Domain Tasks. EMNLP 2015: 1896-1901 - [c26]Ryo Masumura, Taichi Asami, Takanobu Oba, Hirokazu Masataki, Sumitaka Sakauchi, Akinori Ito:
Combinations of various language model technologies including data expansion and adaptation in spontaneous speech recognition. INTERSPEECH 2015: 463-467 - [c25]Ryo Masumura, Taichi Asami, Takanobu Oba, Hirokazu Masataki, Sumitaka Sakauchi, Akinori Ito:
Latent words recurrent neural network language models. INTERSPEECH 2015: 2380-2384 - [c24]Atsushi Ando, Taichi Asami, Manabu Okamoto, Hirokazu Masataki, Sumitaka Sakauchi:
Agreement and disagreement utterance detection in conversational speech by extracting and integrating local features. INTERSPEECH 2015: 2494-2498 - [c23]Taichi Asami, Ryo Masumura, Hirokazu Masataki, Manabu Okamoto, Sumitaka Sakauchi:
Training data selection for acoustic modeling via submodular optimization of joint kullback-leibler divergence. INTERSPEECH 2015: 3645-3649 - 2014
- [j3]Satoshi Kobashikawa, Taichi Asami, Yoshikazu Yamaguchi, Hirokazu Masataki, Satoshi Takahashi:
Efficient data selection for speech recognition based on prior confidence estimation using speech and monophone models. Comput. Speech Lang. 28(6): 1287-1297 (2014) - [j2]Shoko Yamahata, Yoshikazu Yamaguchi, Atsunori Ogawa, Hirokazu Masataki, Osamu Yoshioka, Satoshi Takahashi:
Automatic Vocabulary Adaptation Based on Semantic and Acoustic Similarities. IEICE Trans. Inf. Syst. 97-D(6): 1488-1496 (2014) - [c22]Ryo Masumura, Takanobu Oba, Hirokazu Masataki, Osamu Yoshioka, Satoshi Takahashi:
Role play dialogue topic model for language model adaptation in multi-party conversation speech recognition. ICASSP 2014: 4873-4877 - [c21]Ryo Masumura, Taichi Asami, Takanobu Oba, Hirokazu Masataki, Sumitaka Sakauchi:
Mixture of latent words language models for domain adaptation. INTERSPEECH 2014: 1425-1429 - [c20]Taichi Asami, Ryo Masumura, Hirokazu Masataki, Sumitaka Sakauchi:
Read and spontaneous speech classification based on variance of GMM supervectors. INTERSPEECH 2014: 2375-2379 - 2013
- [j1]Satoshi Kobashikawa, Atsunori Ogawa, Taichi Asami, Yoshikazu Yamaguchi, Hirokazu Masataki, Satoshi Takahashi:
Fast unsupervised adaptation based on efficient statistics accumulation using frame independent confidence within monophone states. Comput. Speech Lang. 27(1): 369-379 (2013) - [c19]Ryo Masumura, Hirokazu Masataki, Takanobu Oba, Osamu Yoshioka, Satoshi Takahashi:
Use of latent words language models in ASR: A sampling-based implementation. ICASSP 2013: 8445-8449 - [c18]Takanobu Oba, Atsunori Ogawa, Takaaki Hori, Hirokazu Masataki, Atsushi Nakamura:
Unsupervised discriminative language modeling using error rate estimator. INTERSPEECH 2013: 1223-1227 - [c17]Taichi Asami, Satoshi Kobashikawa, Hirokazu Masataki, Osamu Yoshioka, Satoshi Takahashi:
Unsupervised confidence calibration using examples of recognized words and their contexts. INTERSPEECH 2013: 2217-2221 - [c16]Ryo Masumura, Hirokazu Masataki, Takanobu Oba, Osamu Yoshioka, Satoshi Takahashi:
Viterbi decoding for latent words language models using gibbs sampling. INTERSPEECH 2013: 3429-3433 - 2012
- [c15]Satoshi Kobashikawa, Takaaki Hori, Yoshikazu Yamaguchi, Taichi Asami, Hirokazu Masataki, Satoshi Takahashi:
Efficient Beam Width Control to Suppress Excessive Speech Recognition Computation Time Based on Prior Score Range Normalization. INTERSPEECH 2012: 1011-1014 - [c14]Taichi Asami, Satoshi Kobashikawa, Hirokazu Masataki, Osamu Yoshioka, Satoshi Takahashi:
Speech Data Clustering Based on Phoneme Error Trend for Unsupervised Acoustic Model Adaptation. INTERSPEECH 2012: 1760-1763 - [c13]Shoko Yamahata, Yoshikazu Yamaguchi, Atsunori Ogawa, Hirokazu Masataki, Osamu Yoshioka, Satoshi Takahashi:
Automatic Vocabulary Adaptation Based on Semantic Similarity and Speech Recognition Confidence Measure. INTERSPEECH 2012: 2310-2313 - [c12]Satoshi Kobashikawa, Takaaki Hori, Yoshikazu Yamaguchi, Taichi Asami, Hirokazu Masataki, Satoshi Takahashi:
Efficient prior and incremental beam width control to suppress excessive speech recognition time based on score range estimation. SLT 2012: 125-130 - 2011
- [c11]Takaaki Fukutomi, Satoshi Kobashikawa, Taichi Asami, Tsubasa Shinozaki, Hirokazu Masataki, Satoshi Takahashi:
Extracting call-reason segments from contact center dialogs by using automatically acquired boundary expressions. ICASSP 2011: 5584-5587 - [c10]Kenji Imamura, Tomoko Izumi, Kugatsu Sadamitsu, Kuniko Saito, Satoshi Kobashikawa, Hirokazu Masataki:
Morpheme Conversion for Connecting Speech Recognizer and Language Analyzers in Unsegmented Languages. INTERSPEECH 2011: 1405-1408 - [c9]Narichika Nomoto, Masafumi Tamoto, Hirokazu Masataki, Osamu Yoshioka, Satoshi Takahashi:
Anger Recognition in Spoken Dialog Using Linguistic and Para-Linguistic Information. INTERSPEECH 2011: 1545-1548 - [c8]Taichi Asami, Narichika Nomoto, Satoshi Kobashikawa, Yoshikazu Yamaguchi, Hirokazu Masataki, Satoshi Takahashi:
Spoken Document Confidence Estimation Using Contextual Coherence. INTERSPEECH 2011: 1961-1964 - 2010
- [c7]Satoshi Kobashikawa, Taichi Asami, Yoshikazu Yamaguchi, Hirokazu Masataki, Satoshi Takahashi:
Efficient data selection for speech recognition based on prior confidence estimation using speech and context independent models. INTERSPEECH 2010: 238-241 - [c6]Narichika Nomoto, Hirokazu Masataki, Osamu Yoshioka, Satoshi Takahashi:
Detection of anger emotion in dialog speech using prosody feature and temporal relation of utterances. INTERSPEECH 2010: 494-497 - [c5]Ryuichiro Higashinaka, Yasuhiro Minami, Hitoshi Nishikawa, Kohji Dohsaka, Toyomi Meguro, Satoshi Kobashikawa, Hirokazu Masataki, Osamu Yoshioka, Satoshi Takahashi, Gen-ichiro Kikui:
Improving hmm-based extractive summarization for multi-domain contact center dialogues. SLT 2010: 61-66 - [c4]Satoshi Kobashikawa, Taichi Asami, Yoshikazu Yamaguchi, Hirokazu Masataki, Satoshi Takahashi:
Efficient data selection for spoken document retrieval based on prior confidence estimation using speech and context independent models. SLT 2010: 200-205
1990 – 1999
- 1997
- [c3]Hirokazu Masataki, Yoshinori Sagisaka, Kazuya Hisaki, Tatsuya Kawahara:
Task adaptation using MAP estimation in N-gram language modeling. ICASSP 1997: 783-786 - 1996
- [c2]Tohru Shimizu, Hirofumi Yamamoto, Hirokazu Masataki, Shoichi Matsunaga, Yoshinori Sagisaka:
Spontaneous dialogue speech recognition using cross-word context constrained word graphs. ICASSP 1996: 145-148 - [c1]Hirokazu Masataki, Yoshinori Sagisaka:
Variable-order N-gram generation by word-class splitting and consecutive word grouping. ICASSP 1996: 188-191
Coauthor Index
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