Hirokazu Masataki

Ryo Masumura, Taichi Asami, Hirokazu Masataki, 2017, 2017 Asia-Pacific Signal and Information Processing Association Annual Summit and Conference (APSIPA ASC).

Morpheme Conversion for Connecting Speech Recognizer and Language Analyzers in Unsegmented Languages

Tomoko Izumi, Kugatsu Sadamitsu, Hirokazu Masataki, 2011, INTERSPEECH.

Multi-task and Multi-lingual Joint Learning of Neural Lexical Utterance Classification based on Partially-shared Modeling

Ryuichiro Higashinaka, Tomohiro Tanaka, Ryo Masumura, 2018, COLING.

Language Identification Based on Generative Modeling of Posteriorgram Sequences Extracted from Frame-by-Frame DNNs and LSTM-RNNs

Ryo Masumura, Taichi Asami, Hirokazu Masataki, 2016, INTERSPEECH.

Online End-of-Turn Detection from Speech Based on Stacked Time-Asynchronous Sequential Networks

Ryo Ishii, Ryuichiro Higashinaka, Ryo Masumura, 2017, INTERSPEECH.

N-gram Approximation of Latent Words Language Models for Domain Robust Automatic Speech Recognition

Satoshi Takahashi, Takanobu Oba, Ryo Masumura, 2016, IEICE Trans. Inf. Syst..

Automatic Vocabulary Adaptation Based on Semantic and Acoustic Similarities

Satoshi Takahashi, Atsunori Ogawa, Shoko Yamahata, 2014, IEICE Trans. Inf. Syst..

Neural Confnet Classification: Fully Neural Network Based Spoken Utterance Classification Using Word Confusion Networks

Ryuichiro Higashinaka, Yusuke Ijima, Ryo Masumura, 2018, 2018 IEEE International Conference on Acoustics, Speech and Signal Processing (ICASSP).

Fast unsupervised adaptation based on efficient statistics accumulation using frame independent confidence within monophone states

Satoshi Takahashi, Atsunori Ogawa, Taichi Asami, 2013, Comput. Speech Lang..

Spontaneous dialogue speech recognition using cross-word context constrained word graphs

Yoshinori Sagisaka, Hirofumi Yamamoto, Hirokazu Masataki, 1996, 1996 IEEE International Conference on Acoustics, Speech, and Signal Processing Conference Proceedings.

Improving hmm-based extractive summarization for multi-domain contact center dialogues

Satoshi Takahashi, Ryuichiro Higashinaka, Toyomi Meguro, 2010, 2010 IEEE Spoken Language Technology Workshop.

Efficient data selection for speech recognition based on prior confidence estimation using speech and context independent models

Satoshi Takahashi, Taichi Asami, Hirokazu Masataki, 2011, INTERSPEECH.

Extracting call-reason segments from contact center dialogs by using automatically acquired boundary expressions

Satoshi Takahashi, Tsubasa Shinozaki, Taichi Asami, 2011, 2011 IEEE International Conference on Acoustics, Speech and Signal Processing (ICASSP).

Viterbi decoding for latent words language models using gibbs sampling

Satoshi Takahashi, Osamu Yoshioka, Takanobu Oba, 2013, INTERSPEECH.

Training data selection for acoustic modeling via submodular optimization of joint kullback-leibler divergence

Manabu Okamoto, Ryo Masumura, Taichi Asami, 2015, INTERSPEECH.

Agreement and disagreement utterance detection in conversational speech by extracting and integrating local features

Manabu Okamoto, Taichi Asami, Hirokazu Masataki, 2015, INTERSPEECH.

Parallel phonetically aware DNNs and LSTM-RNNS for frame-by-frame discriminative modeling of spoken language identification

Ryo Masumura, Taichi Asami, Hirokazu Masataki, 2017, 2017 IEEE International Conference on Acoustics, Speech and Signal Processing (ICASSP).

Hierarchical Latent Words Language Models for Robust Modeling to Out-Of Domain Tasks

Akinori Ito, Takanobu Oba, Ryo Masumura, 2015, EMNLP.

Detection of anger emotion in dialog speech using prosody feature and temporal relation of utterances

Satoshi Takahashi, Osamu Yoshioka, Hirokazu Masataki, 2010, INTERSPEECH.

Task adaptation using MAP estimation in N-gram language modeling

Tatsuya Kawahara, Yoshinori Sagisaka, Hirokazu Masataki, 1997, 1997 IEEE International Conference on Acoustics, Speech, and Signal Processing.

Read and spontaneous speech classification based on variance of GMM supervectors

Ryo Masumura, Taichi Asami, Hirokazu Masataki, 2014, INTERSPEECH.

Efficient data selection for spoken document retrieval based on prior confidence estimation using speech and context independent models

Hirokazu Masataki, Yoshikazu Yamaguchi, Satoshi Takahashi, 2010, 2010 IEEE Spoken Language Technology Workshop.

Spoken Document Confidence Estimation Using Contextual Coherence

Satoshi Takahashi, Taichi Asami, Hirokazu Masataki, 2011, INTERSPEECH.

Morpheme Conversion Using Discriminative Models for Connecting Different Morphological Systems

Tomoko Izumi, Kugatsu Sadamitsu, Hirokazu Masataki, 2013 .

Domain adaptation of DNN acoustic models using knowledge distillation

Ryo Masumura, Hirokazu Masataki, Yoshikazu Yamaguchi, 2017, 2017 IEEE International Conference on Acoustics, Speech and Signal Processing (ICASSP).

Unsupervised discriminative language modeling using error rate estimator

Atsunori Ogawa, Atsushi Nakamura, Takaaki Hori, 2013, INTERSPEECH.

Investigation of Combining Various Major Language Model Technologies including Data Expansion and Adaptation

Akinori Ito, Takanobu Oba, Ryo Masumura, 2016, IEICE Trans. Inf. Syst..

Reduction of Number of Word Hypotheses for Large Vocabulary Continuous Speech Recognition

Yoshinori Sagisaka, Hirofumi Yamamoto, Hirokazu Masataki, 1996 .

Speech Data Clustering Based on Phoneme Error Trend for Unsupervised Acoustic Model Adaptation

Satoshi Takahashi, Osamu Yoshioka, Taichi Asami, 2012, INTERSPEECH.

Hyperspherical Query Likelihood Models with Word Embeddings

Kugatsu Sadamitsu, Ryuichiro Higashinaka, Kyosuke Nishida, 2017, IJCNLP.

Variable-order N-gram generation by word-class splitting and consecutive word grouping

Yoshinori Sagisaka, Hirokazu Masataki, H. Masataki, 1996, 1996 IEEE International Conference on Acoustics, Speech, and Signal Processing Conference Proceedings.

Use of latent words language models in ASR: A sampling-based implementation

Satoshi Takahashi, Osamu Yoshioka, Takanobu Oba, 2013, 2013 IEEE International Conference on Acoustics, Speech and Signal Processing.

Role play dialogue topic model for language model adaptation in multi-party conversation speech recognition

Satoshi Takahashi, Osamu Yoshioka, Takanobu Oba, 2014, 2014 IEEE International Conference on Acoustics, Speech and Signal Processing (ICASSP).

Mixture of latent words language models for domain adaptation

Takanobu Oba, Ryo Masumura, Taichi Asami, 2014, INTERSPEECH.