Takanobu Oba

According to our database, Takanobu Oba authored at least 42 papers between 2004 and 2021.

Collaborative distances:

• Dijkstra number of four.
• Erdős number of four.

2021

Hierarchical Latent Words Language Models for Automatic Speech Recognition.

Ryo Masumura, Taichi Asami, Takanobu Oba, Sumitaka Sakauchi

J. Inf. Process., 2021

Neural candidate-aware language models for speech recognition.

Tomohiro Tanaka, Ryo Masumura, Takanobu Oba

Comput. Speech Lang., 2021

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

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

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

Proceedings of the 20th Annual Conference of the International Speech Communication Association, 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

Proceedings of the 20th Annual Conference of the International Speech Communication Association, 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

Proceedings of the 20th Annual Conference of the International Speech Communication Association, 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

Proceedings of the IEEE International Conference on Acoustics, 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

Proceedings of the 27th European Signal Processing Conference, 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

Proceedings of the IEEE Automatic Speech Recognition and Understanding Workshop, 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

Proceedings of the IEEE Automatic Speech Recognition and Understanding Workshop, 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

Proceedings of the 2019 Asia-Pacific Signal and Information Processing Association Annual Summit and Conference, 2019

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

Proceedings of the 2019 Asia-Pacific Signal and Information Processing Association Annual Summit and Conference, 2019

2018

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

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

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

2015

Latent words recurrent neural network language models.

Ryo Masumura, Taichi Asami, Takanobu Oba, Hirokazu Masataki, Sumitaka Sakauchi, Akinori Ito

Proceedings of the 16th Annual Conference of the International Speech Communication Association, 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

Proceedings of the 16th Annual Conference of the International Speech Communication Association, 2015

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

Proceedings of the 2015 Conference on Empirical Methods in Natural Language Processing, 2015

2014

Mixture of latent words language models for domain adaptation.

Ryo Masumura, Taichi Asami, Takanobu Oba, Hirokazu Masataki, Sumitaka Sakauchi

Proceedings of the 15th Annual Conference of the International Speech Communication Association, 2014

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

Proceedings of the IEEE International Conference on Acoustics, 2014

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, Masakiyo Fujimoto, Takuya Yoshioka, Takanobu Oba, Yotaro Kubo, Mehrez Souden, Seong-Jun Hahm, Atsushi Nakamura

Comput. Speech Lang., 2013

Unsupervised discriminative language modeling using error rate estimator.

Takanobu Oba, Atsunori Ogawa, Takaaki Hori, Hirokazu Masataki, Atsushi Nakamura

Proceedings of the 14th Annual Conference of the International Speech Communication Association, 2013

Viterbi decoding for latent words language models using gibbs sampling.

Ryo Masumura, Hirokazu Masataki, Takanobu Oba, Osamu Yoshioka, Satoshi Takahashi

Proceedings of the 14th Annual Conference of the International Speech Communication Association, 2013

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

Ryo Masumura, Hirokazu Masataki, Takanobu Oba, Osamu Yoshioka, Satoshi Takahashi

Proceedings of the IEEE International Conference on Acoustics, 2013

2012

Round-Robin Duel Discriminative Language Models.

Takanobu Oba, Takaaki Hori, Atsushi Nakamura, Akinori Ito

IEEE Trans. Speech Audio Process., 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, Takanobu Oba, Atsunori Ogawa, Kazuhiro Otsuka, Dan Mikami, Keisuke Kinoshita, Tomohiro Nakatani, Atsushi Nakamura, Junji Yamato

IEEE Trans. Speech Audio Process., 2012

Efficient training of discriminative language models by sample selection.

Takanobu Oba, Takaaki Hori, Atsushi Nakamura

Speech Commun., 2012

Model Shrinkage for Discriminative Language Models.

Takanobu Oba, Takaaki Hori, Atsushi Nakamura, Akinori Ito

IEICE Trans. Inf. Syst., 2012

Bag Of ARCS: New representation of speech segment features based on finite state machines.

Shinji Watanabe, Yotaro Kubo, Takanobu Oba, Takaaki Hori, Atsushi Nakamura

Proceedings of the 2012 IEEE International Conference on Acoustics, 2012

Spoken document retrieval by discriminative modeling in a high dimensional feature space.

Takanobu Oba, Takaaki Hori, Atsushi Nakamura, Akinori Ito

Proceedings of the 2012 IEEE International Conference on Acoustics, 2012

2011

Round-robin duel discriminative language models in one-pass decoding with on-the-fly error correction.

Takanobu Oba, Takaaki Hori, Akinori Ito, Atsushi Nakamura

Proceedings of the IEEE International Conference on Acoustics, 2011

2010

Improved Sequential Dependency Analysis Integrating Labeling-Based Sentence Boundary Detection.

Takanobu Oba, Takaaki Hori, Atsushi Nakamura

IEICE Trans. Inf. Syst., 2010

Real-time meeting recognition and understanding using distant microphones and omni-directional camera.

Takaaki Hori, Shoko Araki, Takuya Yoshioka, Masakiyo Fujimoto, Shinji Watanabe, Takanobu Oba, Atsunori Ogawa, Kazuhiro Otsuka, Dan Mikami, Keisuke Kinoshita, Tomohiro Nakatani, Atsushi Nakamura, Junji Yamato

Proceedings of the 2010 IEEE Spoken Language Technology Workshop, 2010

Round-robin discrimination model for reranking ASR hypotheses.

Takanobu Oba, Takaaki Hori, Atsushi Nakamura

Proceedings of the 11th Annual Conference of the International Speech Communication Association, 2010

A comparative study on methods of Weighted language model training for reranking lvcsr N-best hypotheses.

Takanobu Oba, Takaaki Hori, Atsushi Nakamura

Proceedings of the IEEE International Conference on Acoustics, 2010

2008

Sequential dependency analysis for online spontaneous speech processing.

Takanobu Oba, Takaaki Hori, Atsushi Nakamura

Speech Commun., 2008

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

2007

An approach to efficient generation of high-accuracy and compact error-corrective models for speech recognition.

Takanobu Oba, Takaaki Hori, Atsushi Nakamura

Proceedings of the 8th Annual Conference of the International Speech Communication Association, 2007

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, Eisaku Maeda

Proceedings of the 9th International Conference on Multimodal Interfaces, 2007

2006

Sentence boundary detection using sequential dependency analysis combined with CRF-based chunking.

Takanobu Oba, Takaaki Hori, Atsushi Nakamura

Proceedings of the Ninth International Conference on Spoken Language Processing, 2006

2004

Noise adaptive spoken dialog system based on selection of multiple dialog strategies.

Akinori Ito, Takanobu Oba, Takashi Konashi, Motoyuki Suzuki, Shozo Makino

Proceedings of the 8th International Conference on Spoken Language Processing, 2004