Noise adaptive spoken dialog system based on selection of multiple dialog strategies. - Akinori Ito; Takanobu Oba; Takashi Konashi; Motoyuki Suzuki; Shozo Makino (INTERSPEECH, 2004)

Sentence boundary detection using sequential dependency analysis combined with CRF-based chunking. - Takanobu Oba; Takaaki Hori; Atsushi Nakamura (INTERSPEECH, 2006)

The world of mushrooms: human-computer interaction prototype systems for ambient intelligence. - Yasuhiro Minami; Minako Sawaki; Kohji Dohsaka; Ryuichiro Higashinaka; Kentaro Ishizuka; Hideki Isozaki; Tatsushi Matsubayashi; Masato Miyoshi; Atsushi Nakamura; Takanobu Oba; Hiroshi Sawada; Takeshi Yamada; et al. (ICMI, 2007)

An approach to efficient generation of high-accuracy and compact error-corrective models for speech recognition. - Takanobu Oba; Takaaki Hori; Atsushi Nakamura (INTERSPEECH, 2007)

Selection of Optimum Vocabulary and Dialog Strategy for Noise-Robust Spoken Dialog Systems. - Akinori Ito; Takanobu Oba; Takashi Konashi; Motoyuki Suzuki; Shozo Makino (IEICE Trans. Inf. Syst., 2008)

Sequential dependency analysis for online spontaneous speech processing. - Takanobu Oba; Takaaki Hori; Atsushi Nakamura (Speech Commun., 2008)

A comparative study on methods of Weighted language model training for reranking lvcsr N-best hypotheses. - Takanobu Oba; Takaaki Hori; Atsushi Nakamura (ICASSP, 2010)

Round-robin discrimination model for reranking ASR hypotheses. - Takanobu Oba; Takaaki Hori; Atsushi Nakamura (INTERSPEECH, 2010)

Real-time meeting recognition and understanding using distant microphones and omni-directional camera. - Takaaki Hori; Shoko Araki; Takuya Yoshioka; Masakiyo Fujimoto; Shinji Watanabe 001; Takanobu Oba; Atsunori Ogawa; Kazuhiro Otsuka; Dan Mikami; Keisuke Kinoshita; Tomohiro Nakatani; Atsushi Nakamura; et al. (SLT, 2010)

Improved Sequential Dependency Analysis Integrating Labeling-Based Sentence Boundary Detection. - Takanobu Oba; Takaaki Hori; Atsushi Nakamura (IEICE Trans. Inf. Syst., 2010)

Round-robin duel discriminative language models in one-pass decoding with on-the-fly error correction. - Takanobu Oba; Takaaki Hori; Akinori Ito; Atsushi Nakamura (ICASSP, 2011)

Spoken document retrieval by discriminative modeling in a high dimensional feature space. - Takanobu Oba; Takaaki Hori; Atsushi Nakamura; Akinori Ito (ICASSP, 2012)

Bag Of ARCS: New representation of speech segment features based on finite state machines. - Shinji Watanabe 001; Yotaro Kubo; Takanobu Oba; Takaaki Hori; Atsushi Nakamura (ICASSP, 2012)

Model Shrinkage for Discriminative Language Models. - Takanobu Oba; Takaaki Hori; Atsushi Nakamura; Akinori Ito (IEICE Trans. Inf. Syst., 2012)

Efficient training of discriminative language models by sample selection. - Takanobu Oba; Takaaki Hori; Atsushi Nakamura (Speech Commun., 2012)

Low-Latency Real-Time Meeting Recognition and Understanding Using Distant Microphones and Omni-Directional Camera. - Takaaki Hori; Shoko Araki; Takuya Yoshioka; Masakiyo Fujimoto; Shinji Watanabe 001; Takanobu Oba; Atsunori Ogawa; Kazuhiro Otsuka; Dan Mikami; Keisuke Kinoshita; Tomohiro Nakatani; Atsushi Nakamura; et al. (IEEE Trans. Speech Audio Process., 2012)

Round-Robin Duel Discriminative Language Models. - Takanobu Oba; Takaaki Hori; Atsushi Nakamura; Akinori Ito (IEEE Trans. Speech Audio Process., 2012)

Use of latent words language models in ASR: A sampling-based implementation. - Ryo Masumura; Hirokazu Masataki; Takanobu Oba; Osamu Yoshioka; Satoshi Takahashi (ICASSP, 2013)

Viterbi decoding for latent words language models using gibbs sampling. - Ryo Masumura; Hirokazu Masataki; Takanobu Oba; Osamu Yoshioka; Satoshi Takahashi (INTERSPEECH, 2013)

Unsupervised discriminative language modeling using error rate estimator. - Takanobu Oba; Atsunori Ogawa; Takaaki Hori; Hirokazu Masataki; Atsushi Nakamura (INTERSPEECH, 2013)

Speech recognition in living rooms: Integrated speech enhancement and recognition system based on spatial, spectral and temporal modeling of sounds. - Marc Delcroix; Keisuke Kinoshita; Tomohiro Nakatani; Shoko Araki; Atsunori Ogawa; Takaaki Hori; Shinji Watanabe 001; Masakiyo Fujimoto; Takuya Yoshioka; Takanobu Oba; Yotaro Kubo; Mehrez Souden; et al. (Comput. Speech Lang., 2013)

Role play dialogue topic model for language model adaptation in multi-party conversation speech recognition. - Ryo Masumura; Takanobu Oba; Hirokazu Masataki; Osamu Yoshioka; Satoshi Takahashi (ICASSP, 2014)

Mixture of latent words language models for domain adaptation. - Ryo Masumura; Taichi Asami; Takanobu Oba; Hirokazu Masataki; Sumitaka Sakauchi (INTERSPEECH, 2014)

Hierarchical Latent Words Language Models for Robust Modeling to Out-Of Domain Tasks. - Ryo Masumura; Taichi Asami; Takanobu Oba; Hirokazu Masataki; Sumitaka Sakauchi; Akinori Ito (EMNLP, 2015)

Combinations of various language model technologies including data expansion and adaptation in spontaneous speech recognition. - Ryo Masumura; Taichi Asami; Takanobu Oba; Hirokazu Masataki; Sumitaka Sakauchi; Akinori Ito (INTERSPEECH, 2015)

Latent words recurrent neural network language models. - Ryo Masumura; Taichi Asami; Takanobu Oba; Hirokazu Masataki; Sumitaka Sakauchi; Akinori Ito (INTERSPEECH, 2015)

Investigation of Combining Various Major Language Model Technologies including Data Expansion and Adaptation. - Ryo Masumura; Taichi Asami; Takanobu Oba; Hirokazu Masataki; Sumitaka Sakauchi; Akinori Ito (IEICE Trans. Inf. Syst., 2016)

N-gram Approximation of Latent Words Language Models for Domain Robust Automatic Speech Recognition. - Ryo Masumura; Taichi Asami; Takanobu Oba; Hirokazu Masataki; Sumitaka Sakauchi; Satoshi Takahashi (IEICE Trans. Inf. Syst., 2016)

Domain Adaptation Based on Mixture of Latent Words Language Models for Automatic Speech Recognition. - Ryo Masumura; Taichi Asami; Takanobu Oba; Hirokazu Masataki; Sumitaka Sakauchi; Akinori Ito (IEICE Trans. Inf. Syst., 2018)

Can We Simulate Generative Process of Acoustic Modeling Data? Towards Data Restoration for Acoustic Modeling. - Ryo Masumura; Yusuke Ijima; Satoshi Kobashikawa; Takanobu Oba; Yushi Aono (APSIPA, 2019)

Disfluency Detection Based on Speech-Aware Token-by-Token Sequence Labeling with BLSTM-CRFs and Attention Mechanisms. - Tomohiro Tanaka; Ryo Masumura; Takafumi Moriya; Takanobu Oba; Yushi Aono (APSIPA, 2019)

Improving Speech-Based End-of-Turn Detection Via Cross-Modal Representation Learning with Punctuated Text Data. - Ryo Masumura; Mana Ihori; Tomohiro Tanaka; Atsushi Ando; Ryo Ishii; Takanobu Oba; Ryuichiro Higashinaka (ASRU, 2019)

Generalized Large-Context Language Models Based on Forward-Backward Hierarchical Recurrent Encoder-Decoder Models. - Ryo Masumura; Mana Ihori; Tomohiro Tanaka; Itsumi Saito; Kyosuke Nishida; Takanobu Oba (ASRU, 2019)

Context-Aware Neural Voice Activity Detection Using Auxiliary Networks for Phoneme Recognition, Speech Enhancement and Acoustic Scene Classification. - Ryo Masumura; Kiyoaki Matsui; Yuma Koizumi; Takaaki Fukutomi; Takanobu Oba; Yushi Aono (EUSIPCO, 2019)

Large Context End-to-end Automatic Speech Recognition via Extension of Hierarchical Recurrent Encoder-decoder Models. - Ryo Masumura; Tomohiro Tanaka; Takafumi Moriya; Yusuke Shinohara; Takanobu Oba; Yushi Aono (ICASSP, 2019)

End-to-End Automatic Speech Recognition with a Reconstruction Criterion Using Speech-to-Text and Text-to-Speech Encoder-Decoders. - Ryo Masumura; Hiroshi Sato; Tomohiro Tanaka; Takafumi Moriya; Yusuke Ijima; Takanobu Oba (INTERSPEECH, 2019)

Improving Conversation-Context Language Models with Multiple Spoken Language Understanding Models. - Ryo Masumura; Tomohiro Tanaka; Atsushi Ando; Hosana Kamiyama; Takanobu Oba; Satoshi Kobashikawa; Yushi Aono (INTERSPEECH, 2019)

A Joint End-to-End and DNN-HMM Hybrid Automatic Speech Recognition System with Transferring Sharable Knowledge. - Tomohiro Tanaka; Ryo Masumura; Takafumi Moriya; Takanobu Oba; Yushi Aono (INTERSPEECH, 2019)

Latent Words Recurrent Neural Network Language Models for Automatic Speech Recognition. - Ryo Masumura; Taichi Asami; Takanobu Oba; Sumitaka Sakauchi; Akinori Ito (IEICE Trans. Inf. Syst., 2019)

Viterbi Approximation of Latent Words Language Models for Automatic Speech Recognition. - Ryo Masumura; Taichi Asami; Takanobu Oba; Hirokazu Masataki; Sumitaka Sakauchi (J. Inf. Process., 2019)

Neural candidate-aware language models for speech recognition. - Tomohiro Tanaka; Ryo Masumura; Takanobu Oba (Comput. Speech Lang., 2021)

Hierarchical Latent Words Language Models for Automatic Speech Recognition. - Ryo Masumura; Taichi Asami; Takanobu Oba; Sumitaka Sakauchi (J. Inf. Process., 2021)