Takanobu Oba

Publication Activity (10 Years)

Years Active: 2004-2021
Publications (10 Years): 16

Top Topics

Sample Selection

Speech Recognition

Document Retrieval

Top Venues

IEICE Trans. Inf. Syst.

IEEE Trans. Speech Audio Process.

Publications

Tomohiro Tanaka, Ryo Masumura, Takanobu Oba
Neural candidate-aware language models for speech recognition. Comput. Speech Lang. 66 (2021)
Ryo Masumura, Taichi Asami, Takanobu Oba, Sumitaka Sakauchi
Hierarchical Latent Words Language Models for Automatic Speech Recognition. J. Inf. Process. 29 (2021)
Ryo Masumura, Kiyoaki Matsui, Yuma Koizumi, Takaaki Fukutomi, Takanobu Oba, Yushi Aono
Context-Aware Neural Voice Activity Detection Using Auxiliary Networks for Phoneme Recognition, Speech Enhancement and Acoustic Scene Classification. EUSIPCO (2019)
Ryo Masumura, Taichi Asami, Takanobu Oba, Sumitaka Sakauchi, Akinori Ito
Latent Words Recurrent Neural Network Language Models for Automatic Speech Recognition. IEICE Trans. Inf. Syst. (12) (2019)
Ryo Masumura, Yusuke Ijima, Satoshi Kobashikawa, Takanobu Oba, Yushi Aono
Can We Simulate Generative Process of Acoustic Modeling Data? Towards Data Restoration for Acoustic Modeling. APSIPA (2019)
Ryo Masumura, Mana Ihori, Tomohiro Tanaka, Atsushi Ando, Ryo Ishii, Takanobu Oba, Ryuichiro Higashinaka
Improving Speech-Based End-of-Turn Detection Via Cross-Modal Representation Learning with Punctuated Text Data. ASRU (2019)
Ryo Masumura, Tomohiro Tanaka, Takafumi Moriya, Yusuke Shinohara, Takanobu Oba, Yushi Aono
Large Context End-to-end Automatic Speech Recognition via Extension of Hierarchical Recurrent Encoder-decoder Models. ICASSP (2019)
Ryo Masumura, Tomohiro Tanaka, Atsushi Ando, Hosana Kamiyama, Takanobu Oba, Satoshi Kobashikawa, Yushi Aono
Improving Conversation-Context Language Models with Multiple Spoken Language Understanding Models. INTERSPEECH (2019)
Ryo Masumura, Hiroshi Sato, Tomohiro Tanaka, Takafumi Moriya, Yusuke Ijima, Takanobu Oba
End-to-End Automatic Speech Recognition with a Reconstruction Criterion Using Speech-to-Text and Text-to-Speech Encoder-Decoders. INTERSPEECH (2019)
Tomohiro Tanaka, Ryo Masumura, Takafumi Moriya, Takanobu Oba, Yushi Aono
A Joint End-to-End and DNN-HMM Hybrid Automatic Speech Recognition System with Transferring Sharable Knowledge. INTERSPEECH (2019)
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 (2019)
Tomohiro Tanaka, Ryo Masumura, Takafumi Moriya, Takanobu Oba, Yushi Aono
Disfluency Detection Based on Speech-Aware Token-by-Token Sequence Labeling with BLSTM-CRFs and Attention Mechanisms. APSIPA (2019)
Ryo Masumura, Mana Ihori, Tomohiro Tanaka, Itsumi Saito, Kyosuke Nishida, Takanobu Oba
Generalized Large-Context Language Models Based on Forward-Backward Hierarchical Recurrent Encoder-Decoder Models. ASRU (2019)
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. (6) (2018)
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. (10) (2016)
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. (10) (2016)
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)
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)
Ryo Masumura, Taichi Asami, Takanobu Oba, Hirokazu Masataki, Sumitaka Sakauchi, Akinori Ito
Latent words recurrent neural network language models. INTERSPEECH (2015)
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)
Ryo Masumura, Taichi Asami, Takanobu Oba, Hirokazu Masataki, Sumitaka Sakauchi
Mixture of latent words language models for domain adaptation. INTERSPEECH (2014)
Takanobu Oba, Atsunori Ogawa, Takaaki Hori, Hirokazu Masataki, Atsushi Nakamura
Unsupervised discriminative language modeling using error rate estimator. INTERSPEECH (2013)
Ryo Masumura, Hirokazu Masataki, Takanobu Oba, Osamu Yoshioka, Satoshi Takahashi
Use of latent words language models in ASR: A sampling-based implementation. ICASSP (2013)
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
Speech recognition in living rooms: Integrated speech enhancement and recognition system based on spatial, spectral and temporal modeling of sounds. Comput. Speech Lang. 27 (3) (2013)
Ryo Masumura, Hirokazu Masataki, Takanobu Oba, Osamu Yoshioka, Satoshi Takahashi
Viterbi decoding for latent words language models using gibbs sampling. INTERSPEECH (2013)
Takanobu Oba, Takaaki Hori, Atsushi Nakamura, Akinori Ito
Spoken document retrieval by discriminative modeling in a high dimensional feature space. ICASSP (2012)
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
Low-Latency Real-Time Meeting Recognition and Understanding Using Distant Microphones and Omni-Directional Camera. IEEE Trans. Speech Audio Process. 20 (2) (2012)
Takanobu Oba, Takaaki Hori, Atsushi Nakamura, Akinori Ito
Round-Robin Duel Discriminative Language Models. IEEE Trans. Speech Audio Process. 20 (4) (2012)
Takanobu Oba, Takaaki Hori, Atsushi Nakamura
Efficient training of discriminative language models by sample selection. Speech Commun. 54 (6) (2012)
Shinji Watanabe, Yotaro Kubo, Takanobu Oba, Takaaki Hori, Atsushi Nakamura
Bag Of ARCS: New representation of speech segment features based on finite state machines. ICASSP (2012)
Takanobu Oba, Takaaki Hori, Atsushi Nakamura, Akinori Ito
Model Shrinkage for Discriminative Language Models. IEICE Trans. Inf. Syst. (5) (2012)
Takanobu Oba, Takaaki Hori, Akinori Ito, Atsushi Nakamura
Round-robin duel discriminative language models in one-pass decoding with on-the-fly error correction. ICASSP (2011)
Takanobu Oba, Takaaki Hori, Atsushi Nakamura
A comparative study on methods of Weighted language model training for reranking lvcsr N-best hypotheses. ICASSP (2010)
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
Real-time meeting recognition and understanding using distant microphones and omni-directional camera. SLT (2010)
Takanobu Oba, Takaaki Hori, Atsushi Nakamura
Improved Sequential Dependency Analysis Integrating Labeling-Based Sentence Boundary Detection. IEICE Trans. Inf. Syst. (5) (2010)
Takanobu Oba, Takaaki Hori, Atsushi Nakamura
Round-robin discrimination model for reranking ASR hypotheses. INTERSPEECH (2010)
Takanobu Oba, Takaaki Hori, Atsushi Nakamura
Sequential dependency analysis for online spontaneous speech processing. Speech Commun. 50 (7) (2008)
Akinori Ito, Takanobu Oba, Takashi Konashi, Motoyuki Suzuki, Shozo Makino
Selection of Optimum Vocabulary and Dialog Strategy for Noise-Robust Spoken Dialog Systems. IEICE Trans. Inf. Syst. (3) (2008)
Takanobu Oba, Takaaki Hori, Atsushi Nakamura
An approach to efficient generation of high-accuracy and compact error-corrective models for speech recognition. INTERSPEECH (2007)
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
The world of mushrooms: human-computer interaction prototype systems for ambient intelligence. ICMI (2007)
Takanobu Oba, Takaaki Hori, Atsushi Nakamura
Sentence boundary detection using sequential dependency analysis combined with CRF-based chunking. INTERSPEECH (2006)
Akinori Ito, Takanobu Oba, Takashi Konashi, Motoyuki Suzuki, Shozo Makino
Noise adaptive spoken dialog system based on selection of multiple dialog strategies. INTERSPEECH (2004)