Takaaki Hori

According to our database, Takaaki Hori authored at least 143 papers between 2001 and 2024.

Collaborative distances:

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

2024

End-to-End Speech Recognition: A Survey.

Rohit Prabhavalkar, Takaaki Hori, Tara N. Sainath, Ralf Schlüter, Shinji Watanabe

IEEE ACM Trans. Audio Speech Lang. Process., 2024

2023

Variable Attention Masking for Configurable Transformer Transducer Speech Recognition.

Pawel Swietojanski, Stefan Braun, Dogan Can, Thiago Fraga da Silva, Arnab Ghoshal, Takaaki Hori, Roger Hsiao, Henry Mason, Erik McDermott, Honza Silovsky, Ruchir Travadi, Xiaodan Zhuang

Proceedings of the IEEE International Conference on Acoustics, 2023

2022

Momentum Pseudo-Labeling: Semi-Supervised ASR With Continuously Improving Pseudo-Labels.

Yosuke Higuchi, Niko Moritz, Jonathan Le Roux, Takaaki Hori

IEEE J. Sel. Top. Signal Process., 2022

Low-Latency Online Streaming VideoQA Using Audio-Visual Transformers.

Chiori Hori, Takaaki Hori, Jonathan Le Roux

Proceedings of the 23rd Annual Conference of the International Speech Communication Association, 2022

Audio-Visual Scene-Aware Dialog and Reasoning Using Audio-Visual Transformers with Joint Student-Teacher Learning.

Ankit P. Shah, Shijie Geng, Peng Gao, Anoop Cherian, Takaaki Hori, Tim K. Marks, Jonathan Le Roux, Chiori Hori

Proceedings of the IEEE International Conference on Acoustics, 2022

Sequence Transduction with Graph-Based Supervision.

Niko Moritz, Takaaki Hori, Shinji Watanabe, Jonathan Le Roux

Proceedings of the IEEE International Conference on Acoustics, 2022

Advancing Momentum Pseudo-Labeling with Conformer and Initialization Strategy.

Yosuke Higuchi, Niko Moritz, Jonathan Le Roux, Takaaki Hori

Proceedings of the IEEE International Conference on Acoustics, 2022

Extended Graph Temporal Classification for Multi-Speaker End-to-End ASR.

Xuankai Chang, Niko Moritz, Takaaki Hori, Shinji Watanabe, Jonathan Le Roux

Proceedings of the IEEE International Conference on Acoustics, 2022

2021

Optimizing Latency for Online Video CaptioningUsing Audio-Visual Transformers.

Chiori Hori, Takaaki Hori, Jonathan Le Roux

CoRR, 2021

Dual Causal/Non-Causal Self-Attention for Streaming End-to-End Speech Recognition.

Niko Moritz, Takaaki Hori, Jonathan Le Roux

Proceedings of the 22nd Annual Conference of the International Speech Communication Association, Interspeech 2021, Brno, Czechia, August 30, 2021

Advanced Long-Context End-to-End Speech Recognition Using Context-Expanded Transformers.

Takaaki Hori, Niko Moritz, Chiori Hori, Jonathan Le Roux

Proceedings of the 22nd Annual Conference of the International Speech Communication Association, Interspeech 2021, Brno, Czechia, August 30, 2021

Optimizing Latency for Online Video Captioning Using Audio-Visual Transformers.

Chiori Hori, Takaaki Hori, Jonathan Le Roux

Proceedings of the 22nd Annual Conference of the International Speech Communication Association, Interspeech 2021, Brno, Czechia, August 30, 2021

Momentum Pseudo-Labeling for Semi-Supervised Speech Recognition.

Yosuke Higuchi, Niko Moritz, Jonathan Le Roux, Takaaki Hori

Proceedings of the 22nd Annual Conference of the International Speech Communication Association, Interspeech 2021, Brno, Czechia, August 30, 2021

Semi-Supervised Speech Recognition Via Graph-Based Temporal Classification.

Niko Moritz, Takaaki Hori, Jonathan Le Roux

Proceedings of the IEEE International Conference on Acoustics, 2021

Capturing Multi-Resolution Context by Dilated Self-Attention.

Niko Moritz, Takaaki Hori, Jonathan Le Roux

Proceedings of the IEEE International Conference on Acoustics, 2021

Unsupervised Domain Adaptation for Speech Recognition via Uncertainty Driven Self-Training.

Sameer Khurana, Niko Moritz, Takaaki Hori, Jonathan Le Roux

Proceedings of the IEEE International Conference on Acoustics, 2021

2020

Multi-Stream End-to-End Speech Recognition.

Ruizhi Li, Xiaofei Wang, Sri Harish Mallidi, Shinji Watanabe, Takaaki Hori, Hynek Hermansky

IEEE ACM Trans. Audio Speech Lang. Process., 2020

The 2020 ESPnet update: new features, broadened applications, performance improvements, and future plans.

Shinji Watanabe, Florian Boyer, Xuankai Chang, Pengcheng Guo, Tomoki Hayashi, Yosuke Higuchi, Takaaki Hori, Wen-Chin Huang, Hirofumi Inaguma, Naoyuki Kamo, Shigeki Karita, Chenda Li, Jing Shi, Aswin Shanmugam Subramanian, Wangyou Zhang

CoRR, 2020

Multi-Pass Transformer for Machine Translation.

Peng Gao, Chiori Hori, Shijie Geng, Takaaki Hori, Jonathan Le Roux

CoRR, 2020

All-in-One Transformer: Unifying Speech Recognition, Audio Tagging, and Event Detection.

Niko Moritz, Gordon Wichern, Takaaki Hori, Jonathan Le Roux

Proceedings of the 21st Annual Conference of the International Speech Communication Association, 2020

Transformer-Based Long-Context End-to-End Speech Recognition.

Takaaki Hori, Niko Moritz, Chiori Hori, Jonathan Le Roux

Proceedings of the 21st Annual Conference of the International Speech Communication Association, 2020

Unsupervised Speaker Adaptation Using Attention-Based Speaker Memory for End-to-End ASR.

Leda Sari, Niko Moritz, Takaaki Hori, Jonathan Le Roux

Proceedings of the 2020 IEEE International Conference on Acoustics, 2020

Streaming Automatic Speech Recognition with the Transformer Model.

Niko Moritz, Takaaki Hori, Jonathan Le Roux

Proceedings of the 2020 IEEE International Conference on Acoustics, 2020

2019

Adversarial training and decoding strategies for end-to-end neural conversation models.

Takaaki Hori, Wen Wang, Yusuke Koji, Chiori Hori, Bret Harsham, John R. Hershey

Comput. Speech Lang., 2019

Overview of the sixth dialog system technology challenge: DSTC6.

Chiori Hori, Julien Perez, Ryuichiro Higashinaka, Takaaki Hori, Y-Lan Boureau, Michimasa Inaba, Yuiko Tsunomori, Tetsuro Takahashi, Koichiro Yoshino, Seokhwan Kim

Comput. Speech Lang., 2019

Self-supervised Sequence-to-sequence ASR using Unpaired Speech and Text.

Murali Karthick Baskar, Shinji Watanabe, Ramón Fernandez Astudillo, Takaaki Hori, Lukás Burget, Jan Cernocký

CoRR, 2019

End-to-End Multilingual Multi-Speaker Speech Recognition.

Hiroshi Seki, Takaaki Hori, Shinji Watanabe, Jonathan Le Roux, John R. Hershey

Proceedings of the 20th Annual Conference of the International Speech Communication Association, 2019

Vectorized Beam Search for CTC-Attention-Based Speech Recognition.

Hiroshi Seki, Takaaki Hori, Shinji Watanabe, Niko Moritz, Jonathan Le Roux

Proceedings of the 20th Annual Conference of the International Speech Communication Association, 2019

Unidirectional Neural Network Architectures for End-to-End Automatic Speech Recognition.

Niko Moritz, Takaaki Hori, Jonathan Le Roux

Proceedings of the 20th Annual Conference of the International Speech Communication Association, 2019

Analysis of Multilingual Sequence-to-Sequence Speech Recognition Systems.

Martin Karafiát, Murali Karthick Baskar, Shinji Watanabe, Takaaki Hori, Matthew Wiesner, Jan Cernocký

Proceedings of the 20th Annual Conference of the International Speech Communication Association, 2019

Joint Student-Teacher Learning for Audio-Visual Scene-Aware Dialog.

Chiori Hori, Anoop Cherian, Tim K. Marks, Takaaki Hori

Proceedings of the 20th Annual Conference of the International Speech Communication Association, 2019

Semi-Supervised Sequence-to-Sequence ASR Using Unpaired Speech and Text.

Murali Karthick Baskar, Shinji Watanabe, Ramón Fernandez Astudillo, Takaaki Hori, Lukás Burget, Jan Cernocký

Proceedings of the 20th Annual Conference of the International Speech Communication Association, 2019

Stream Attention-based Multi-array End-to-end Speech Recognition.

Xiaofei Wang, Ruizhi Li, Sri Harish Mallidi, Takaaki Hori, Shinji Watanabe, Hynek Hermansky

Proceedings of the IEEE International Conference on Acoustics, 2019

Triggered Attention for End-to-end Speech Recognition.

Niko Moritz, Takaaki Hori, Jonathan Le Roux

Proceedings of the IEEE International Conference on Acoustics, 2019

Cycle-consistency Training for End-to-end Speech Recognition.

Takaaki Hori, Ramón Fernandez Astudillo, Tomoki Hayashi, Yu Zhang, Shinji Watanabe, Jonathan Le Roux

Proceedings of the IEEE International Conference on Acoustics, 2019

End-to-end Audio Visual Scene-aware Dialog Using Multimodal Attention-based Video Features.

Chiori Hori, Huda AlAmri, Jue Wang, Gordon Wichern, Takaaki Hori, Anoop Cherian, Tim K. Marks, Vincent Cartillier, Raphael Gontijo Lopes, Abhishek Das, Irfan Essa, Dhruv Batra, Devi Parikh

Proceedings of the IEEE International Conference on Acoustics, 2019

Language Model Integration Based on Memory Control for Sequence to Sequence Speech Recognition.

Jaejin Cho, Shinji Watanabe, Takaaki Hori, Murali Karthick Baskar, Hirofumi Inaguma, Jesús Villalba, Najim Dehak

Proceedings of the IEEE International Conference on Acoustics, 2019

Promising Accurate Prefix Boosting for Sequence-to-sequence ASR.

Murali Karthick Baskar, Lukás Burget, Shinji Watanabe, Martin Karafiát, Takaaki Hori, Jan Honza Cernocký

Proceedings of the IEEE International Conference on Acoustics, 2019

CNN-based Multichannel End-to-End Speech Recognition for Everyday Home Environments^*.

Nelson Yalta, Shinji Watanabe, Takaaki Hori, Kazuhiro Nakadai, Tetsuya Ogata

Proceedings of the 27th European Signal Processing Conference, 2019

Streaming End-to-End Speech Recognition with Joint CTC-Attention Based Models.

Niko Moritz, Takaaki Hori, Jonathan Le Roux

Proceedings of the IEEE Automatic Speech Recognition and Understanding Workshop, 2019

A Comparative Study on Transformer vs RNN in Speech Applications.

Shigeki Karita, Xiaofei Wang, Shinji Watanabe, Takenori Yoshimura, Wangyou Zhang, Nanxin Chen, Tomoki Hayashi, Takaaki Hori, Hirofumi Inaguma, Ziyan Jiang, Masao Someki, Nelson Enrique Yalta Soplin, Ryuichi Yamamoto

Proceedings of the IEEE Automatic Speech Recognition and Understanding Workshop, 2019

2018

Multi-encoder multi-resolution framework for end-to-end speech recognition.

Ruizhi Li, Xiaofei Wang, Sri Harish Reddy Mallidi, Takaaki Hori, Shinji Watanabe, Hynek Hermansky

CoRR, 2018

Vectorization of hypotheses and speech for faster beam search in encoder decoder-based speech recognition.

Hiroshi Seki, Takaaki Hori, Shinji Watanabe

CoRR, 2018

CNN-based MultiChannel End-to-End Speech Recognition for everyday home environments.

Nelson Yalta, Shinji Watanabe, Takaaki Hori, Kazuhiro Nakadai, Tetsuya Ogata

CoRR, 2018

End-to-end Speech Recognition With Word-Based Rnn Language Models.

Takaaki Hori, Jaejin Cho, Shinji Watanabe

Proceedings of the 2018 IEEE Spoken Language Technology Workshop, 2018

Back-Translation-Style Data Augmentation for end-to-end ASR.

Tomoki Hayashi, Shinji Watanabe, Yu Zhang, Tomoki Toda, Takaaki Hori, Ramón Fernandez Astudillo, Kazuya Takeda

Proceedings of the 2018 IEEE Spoken Language Technology Workshop, 2018

Multilingual Sequence-to-Sequence Speech Recognition: Architecture, Transfer Learning, and Language Modeling.

Jaejin Cho, Murali Karthick Baskar, Ruizhi Li, Matthew Wiesner, Sri Harish Mallidi, Nelson Yalta, Martin Karafiát, Shinji Watanabe, Takaaki Hori

Proceedings of the 2018 IEEE Spoken Language Technology Workshop, 2018

ESPnet: End-to-End Speech Processing Toolkit.

Shinji Watanabe, Takaaki Hori, Shigeki Karita, Tomoki Hayashi, Jiro Nishitoba, Yuya Unno, Nelson Enrique Yalta Soplin, Jahn Heymann, Matthew Wiesner, Nanxin Chen, Adithya Renduchintala, Tsubasa Ochiai

Proceedings of the 19th Annual Conference of the International Speech Communication Association, 2018

End-to-End Multi-Speaker Speech Recognition.

Shane Settle, Jonathan Le Roux, Takaaki Hori, Shinji Watanabe, John R. Hershey

Proceedings of the 2018 IEEE International Conference on Acoustics, 2018

An End-to-End Language-Tracking Speech Recognizer for Mixed-Language Speech.

Hiroshi Seki, Shinji Watanabe, Takaaki Hori, Jonathan Le Roux, John R. Hershey

Proceedings of the 2018 IEEE International Conference on Acoustics, 2018

Speaker Adaptation for Multichannel End-to-End Speech Recognition.

Tsubasa Ochiai, Shinji Watanabe, Shigeru Katagiri, Takaaki Hori, John R. Hershey

Proceedings of the 2018 IEEE International Conference on Acoustics, 2018

Multimodal Attention for Fusion of Audio and Spatiotemporal Features for Video Description.

Chiori Hori, Takaaki Hori, Gordon Wichern, Jue Wang, Teng-Yok Lee, Anoop Cherian, Tim K. Marks

Proceedings of the 2018 IEEE Conference on Computer Vision and Pattern Recognition Workshops, 2018

A Purely End-to-End System for Multi-speaker Speech Recognition.

Hiroshi Seki, Takaaki Hori, Shinji Watanabe, Jonathan Le Roux, John R. Hershey

Proceedings of the 56th Annual Meeting of the Association for Computational Linguistics, 2018

2017

Duration-Controlled LSTM for Polyphonic Sound Event Detection.

Tomoki Hayashi, Shinji Watanabe, Tomoki Toda, Takaaki Hori, Jonathan Le Roux, Kazuya Takeda

IEEE ACM Trans. Audio Speech Lang. Process., 2017

Error detection and accuracy estimation in automatic speech recognition using deep bidirectional recurrent neural networks.

Atsunori Ogawa, Takaaki Hori

Speech Commun., 2017

Hybrid CTC/Attention Architecture for End-to-End Speech Recognition.

Shinji Watanabe, Takaaki Hori, Suyoun Kim, John R. Hershey, Tomoki Hayashi

IEEE J. Sel. Top. Signal Process., 2017

Unified Architecture for Multichannel End-to-End Speech Recognition With Neural Beamforming.

Tsubasa Ochiai, Shinji Watanabe, Takaaki Hori, John R. Hershey, Xiong Xiao

IEEE J. Sel. Top. Signal Process., 2017

Multi-microphone speech recognition integrating beamforming, robust feature extraction, and advanced DNN/RNN backend.

Takaaki Hori, Zhuo Chen, Hakan Erdogan, John R. Hershey, Jonathan Le Roux, Vikramjit Mitra, Shinji Watanabe

Comput. Speech Lang., 2017

Attention-Based Multimodal Fusion for Video Description.

Chiori Hori, Takaaki Hori, Teng-Yok Lee, Kazuhiro Sumi, John R. Hershey, Tim K. Marks

CoRR, 2017

End-to-end Conversation Modeling Track in DSTC6.

Chiori Hori, Takaaki Hori

CoRR, 2017

Advances in Joint CTC-Attention Based End-to-End Speech Recognition with a Deep CNN Encoder and RNN-LM.

Takaaki Hori, Shinji Watanabe, Yu Zhang, William Chan

Proceedings of the 18th Annual Conference of the International Speech Communication Association, 2017

Multichannel End-to-end Speech Recognition.

Tsubasa Ochiai, Shinji Watanabe, Takaaki Hori, John R. Hershey

Proceedings of the 34th International Conference on Machine Learning, 2017

Attention-Based Multimodal Fusion for Video Description.

Chiori Hori, Takaaki Hori, Teng-Yok Lee, Ziming Zhang, Bret Harsham, John R. Hershey, Tim K. Marks, Kazuhiro Sumi

Proceedings of the IEEE International Conference on Computer Vision, 2017

Student-teacher network learning with enhanced features.

Shinji Watanabe, Takaaki Hori, Jonathan Le Roux, John R. Hershey

Proceedings of the 2017 IEEE International Conference on Acoustics, 2017

Joint CTC-attention based end-to-end speech recognition using multi-task learning.

Suyoun Kim, Takaaki Hori, Shinji Watanabe

Proceedings of the 2017 IEEE International Conference on Acoustics, 2017

BLSTM-HMM hybrid system combined with sound activity detection network for polyphonic Sound Event Detection.

Tomoki Hayashi, Shinji Watanabe, Tomoki Toda, Takaaki Hori, Jonathan Le Roux, Kazuya Takeda

Proceedings of the 2017 IEEE International Conference on Acoustics, 2017

Language independent end-to-end architecture for joint language identification and speech recognition.

Shinji Watanabe, Takaaki Hori, John R. Hershey

Proceedings of the 2017 IEEE Automatic Speech Recognition and Understanding Workshop, 2017

Multi-level language modeling and decoding for open vocabulary end-to-end speech recognition.

Takaaki Hori, Shinji Watanabe, John R. Hershey

Proceedings of the 2017 IEEE Automatic Speech Recognition and Understanding Workshop, 2017

Early and late integration of audio features for automatic video description.

Chiori Hori, Takaaki Hori, Tim K. Marks, John R. Hershey

Proceedings of the 2017 IEEE Automatic Speech Recognition and Understanding Workshop, 2017

Joint CTC/attention decoding for end-to-end speech recognition.

Takaaki Hori, Shinji Watanabe, John R. Hershey

Proceedings of the 55th Annual Meeting of the Association for Computational Linguistics, 2017

Toolkits for Robust Speech Processing.

Shinji Watanabe, Takaaki Hori, Yajie Miao, Marc Delcroix, Florian Metze, John R. Hershey

Proceedings of the New Era for Robust Speech Recognition, Exploiting Deep Learning., 2017

2016

Estimating Speech Recognition Accuracy Based on Error Type Classification.

Atsunori Ogawa, Takaaki Hori, Atsushi Nakamura

IEEE ACM Trans. Audio Speech Lang. Process., 2016

Automated structure discovery and parameter tuning of neural network language model based on evolution strategy.

Tomohiro Tanaka, Takafumi Moriya, Takahiro Shinozaki, Shinji Watanabe, Takaaki Hori, Kevin Duh

Proceedings of the 2016 IEEE Spoken Language Technology Workshop, 2016

Dialog state tracking with attention-based sequence-to-sequence learning.

Takaaki Hori, Hai Wang, Chiori Hori, Shinji Watanabe, Bret Harsham, Jonathan Le Roux, John R. Hershey, Yusuke Koji, Yi Jing, Zhaocheng Zhu, Takeyuki Aikawa

Proceedings of the 2016 IEEE Spoken Language Technology Workshop, 2016

Context-Sensitive and Role-Dependent Spoken Language Understanding Using Bidirectional and Attention LSTMs.

Chiori Hori, Takaaki Hori, Shinji Watanabe, John R. Hershey

Proceedings of the 17th Annual Conference of the International Speech Communication Association, 2016

Driver confusion status detection using recurrent neural networks.

Chiori Hori, Shinji Watanabe, Takaaki Hori, Bret A. Harsham, John R. Hershey, Yusuke Koji, Youichi Fujii, Yuki Furumoto

Proceedings of the IEEE International Conference on Multimedia and Expo, 2016

Minimum word error training of long short-term memory recurrent neural network language models for speech recognition.

Takaaki Hori, Chiori Hori, Shinji Watanabe, John R. Hershey

Proceedings of the 2016 IEEE International Conference on Acoustics, 2016

Bidirectional LSTM-HMM Hybrid System for Polyphonic Sound Event Detection.

Tomoki Hayashi, Shinji Watanabe, Tomoki Toda, Takaaki Hori, Jonathan Le Roux, Kazuya Takeda

Proceedings of the Workshop on Detection and Classification of Acoustic Scenes and Events, 2016

2015

Strategies for distant speech recognitionin reverberant environments.

Marc Delcroix, Takuya Yoshioka, Atsunori Ogawa, Yotaro Kubo, Masakiyo Fujimoto, Nobutaka Ito, Keisuke Kinoshita, Miquel Espi, Shoko Araki, Takaaki Hori, Tomohiro Nakatani

EURASIP J. Adv. Signal Process., 2015

Multiscale recurrent neural network based language model.

Tsuyoshi Morioka, Tomoharu Iwata, Takaaki Hori, Tetsunori Kobayashi

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

ASR error detection and recognition rate estimation using deep bidirectional recurrent neural networks.

Atsunori Ogawa, Takaaki Hori

Proceedings of the 2015 IEEE International Conference on Acoustics, 2015

WFST-based structural classification integrating dnn acoustic features and RNN language features for speech recognition.

Quoc Truong Do, Satoshi Nakamura, Marc Delcroix, Takaaki Hori

Proceedings of the 2015 IEEE International Conference on Acoustics, 2015

Context adaptive deep neural networks for fast acoustic model adaptation.

Marc Delcroix, Keisuke Kinoshita, Takaaki Hori, Tomohiro Nakatani

Proceedings of the 2015 IEEE International Conference on Acoustics, 2015

Double-layer neighborhood graph based similarity search for fast query-by-example spoken term detection.

Kazuo Aoyama, Atsunori Ogawa, Takashi Hattori, Takaaki Hori

Proceedings of the 2015 IEEE International Conference on Acoustics, 2015

The MERL/SRI system for the 3RD CHiME challenge using beamforming, robust feature extraction, and advanced speech recognition.

Takaaki Hori, Zhuo Chen, Hakan Erdogan, John R. Hershey, Jonathan Le Roux, Vikramjit Mitra, Shinji Watanabe

Proceedings of the 2015 IEEE Workshop on Automatic Speech Recognition and Understanding, 2015

2014

Restructuring output layers of deep neural networks using minimum risk parameter clustering.

Yotaro Kubo, Jun Suzuki, Takaaki Hori, Atsushi Nakamura

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

Fast segment search for corpus-based speech enhancement based on speech recognition technology.

Atsunori Ogawa, Keisuke Kinoshita, Takaaki Hori, Tomohiro Nakatani, Atsushi Nakamura

Proceedings of the IEEE International Conference on Acoustics, 2014

Real-time one-pass decoding with recurrent neural network language model for speech recognition.

Takaaki Hori, Yotaro Kubo, Atsushi Nakamura

Proceedings of the IEEE International Conference on Acoustics, 2014

Zero-resource spoken term detection using hierarchical graph-based similarity search.

Kazuo Aoyama, Atsunori Ogawa, Takashi Hattori, Takaaki Hori, Atsushi Nakamura

Proceedings of the IEEE International Conference on Acoustics, 2014

Defeating reverberation: Advanced dereverberation and recognition techniques for hands-free speech recognition.

Marc Delcroix, Takuya Yoshioka, Atsunori Ogawa, Yotaro Kubo, Masakiyo Fujimoto, Nobutaka Ito, Keisuke Kinoshita, Miquel Espi, Shoko Araki, Takaaki Hori, Tomohiro Nakatani

Proceedings of the 2014 IEEE Global Conference on Signal and Information Processing, 2014

2013

Speech Recognition Algorithms Based on Weighted Finite-State Transducers

Takaaki Hori, Atsushi Nakamura

Synthesis Lectures on Speech and Audio Processing, Morgan & Claypool Publishers, ISBN: 978-3-031-02562-4, 2013

Prior-shared feature and model space speaker adaptation by consistently employing map estimation.

Seong-Jun Hahm, Shinji Watanabe, Atsunori Ogawa, Masakiyo Fujimoto, Takaaki Hori, Atsushi Nakamura

Speech Commun., 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

A method for structure estimation of weighted finite-state transducers and its application to grapheme-to-phoneme conversion.

Yotaro Kubo, Takaaki Hori, Atsushi Nakamura

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

Discriminative recognition rate estimation for N-best list and its application to N-best rescoring.

Atsunori Ogawa, Takaaki Hori, Atsushi Nakamura

Proceedings of the IEEE International Conference on Acoustics, 2013

Coupling beamforming with spatial and spectral feature based spectral enhancement and its application to meeting recognition.

Tomohiro Nakatani, Mehrez Souden, Shoko Araki, Takuya Yoshioka, Takaaki Hori, Atsunori Ogawa

Proceedings of the IEEE International Conference on Acoustics, 2013

Large vocabulary continuous speech recognition based on WFST structured classifiers and deep bottleneck features.

Yotaro Kubo, Takaaki Hori, Atsushi Nakamura

Proceedings of the IEEE International Conference on Acoustics, 2013

Feature space variational Bayesian linear regression and its combination with model space VBLR.

Seong-Jun Hahm, Atsunori Ogawa, Marc Delcroix, Masakiyo Fujimoto, Takaaki Hori, Atsushi Nakamura

Proceedings of the IEEE International Conference on Acoustics, 2013

Graph index based query-by-example search on a large speech data set.

Kazuo Aoyama, Atsunori Ogawa, Takashi Hattori, Takaaki Hori, Atsushi Nakamura

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

Structural Classification Methods Based on Weighted Finite-State Transducers for Automatic Speech Recognition.

Yotaro Kubo, Shinji Watanabe, Takaaki Hori, Atsushi Nakamura

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

Efficient prior and incremental beam width control to suppress excessive speech recognition time based on score range estimation.

Satoshi Kobashikawa, Takaaki Hori, Yoshikazu Yamaguchi, Taichi Asami, Hirokazu Masataki, Satoshi Takahashi

Proceedings of the 2012 IEEE Spoken Language Technology Workshop (SLT), 2012

Recognition rate estimation based on word alignment network and discriminative error type classification.

Atsunori Ogawa, Takaaki Hori, Atsushi Nakamura

Proceedings of the 2012 IEEE Spoken Language Technology Workshop (SLT), 2012

Integrating Deep Neural Networks into Structural Classification Approach based on Weighted Finite-State Transducers.

Yotaro Kubo, Takaaki Hori, Atsushi Nakamura

Proceedings of the 13th Annual Conference of the International Speech Communication Association, 2012

Efficient Beam Width Control to Suppress Excessive Speech Recognition Computation Time Based on Prior Score Range Normalization.

Satoshi Kobashikawa, Takaaki Hori, Yoshikazu Yamaguchi, Taichi Asami, Hirokazu Masataki, Satoshi Takahashi

Proceedings of the 13th Annual Conference of the International Speech Communication Association, 2012

Speaker Adaptation Using Variational Bayesian Linear Regression in Normalized Feature Space.

Seong-Jun Hahm, Atsunori Ogawa, Masakiyo Fujimoto, Takaaki Hori, Atsushi Nakamura

Proceedings of the 13th Annual Conference of the International Speech Communication Association, 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

Error type classification and word accuracy estimation using alignment features from word confusion network.

Atsunori Ogawa, 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

Handling uncertain observations in unsupervised topic-mixture language model adaptation.

Ekapol Chuangsuwanich, Shinji Watanabe, Takaaki Hori, Tomoharu Iwata, James R. Glass

Proceedings of the 2012 IEEE International Conference on Acoustics, 2012

2011

Topic tracking language model for speech recognition.

Shinji Watanabe, Tomoharu Iwata, Takaaki Hori, Atsushi Sako, Yasuo Ariki

Comput. Speech Lang., 2011

Gibbs sampling based Multi-scale Mixture Model for speaker clustering.

Shinji Watanabe, Daichi Mochihashi, Takaaki Hori, Atsushi Nakamura

Proceedings of the IEEE International Conference on Acoustics, 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

Application of topic tracking model to language model adaptation and meeting analysis.

Shinji Watanabe, Tomoharu Iwata, Takaaki Hori, Atsushi Sako, Yasuo Ariki

Proceedings of the 2010 IEEE Spoken Language Technology Workshop, 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

Large vocabulary continuous speech recognition using WFST-based linear classifier for structured data.

Shinji Watanabe, Takaaki Hori, Atsushi Nakamura

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

Improvements of search error risk minimization in viterbi beam search for speech recognition.

Takaaki Hori, Shinji Watanabe, Atsushi Nakamura

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

A discriminative model for continuous speech recognition based on Weighted Finite State Transducers.

Shinji Watanabe, Takaaki Hori, Erik McDermott, Atsushi Nakamura

Proceedings of the IEEE International Conference on Acoustics, 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

Search error risk minimization in Viterbi beam search for speech recognition.

Takaaki Hori, Shinji Watanabe, 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

2007

Efficient WFST-Based One-Pass Decoding With On-The-Fly Hypothesis Rescoring in Extremely Large Vocabulary Continuous Speech Recognition.

Takaaki Hori, Chiori Hori, Yasuhiro Minami, Atsushi Nakamura

IEEE Trans. Speech Audio Process., 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

Open-Vocabulary Spoken Utterance Retrieval using Confusion Networks.

Takaaki Hori, I. Lee Hetherington, Timothy J. Hazen, James R. Glass

Proceedings of the IEEE International Conference on Acoustics, 2007

2006

Advanced computational models and learning theories for spoken language processing.

Atsushi Nakamura, Shinji Watanabe, Takaaki Hori, Erik McDermott, Shigeru Katagiri

IEEE Comput. Intell. Mag., 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

An Extremely Large Vocabulary Approach to Named Entity Extraction from Speech.

Takaaki Hori, Atsushi Nakamura

Proceedings of the 2006 IEEE International Conference on Acoustics Speech and Signal Processing, 2006

2005

Experiments with probabilistic principal component analysis in LVCSR.

Mike Schuster, Takaaki Hori, Atsushi Nakamura

Proceedings of the 9th European Conference on Speech Communication and Technology, 2005

Generalized fast on-the-fly composition algorithm for WFST-based speech recognition.

Takaaki Hori, Atsushi Nakamura

Proceedings of the 9th European Conference on Speech Communication and Technology, 2005

Efficient Generation of high-order context-dependent Weighted Finite State Transducers for Speech Recognition.

Mike Schuster, Takaaki Hori

Proceedings of the 2005 IEEE International Conference on Acoustics, 2005

2004

Fast on-the-fly composition for weighted finite-state transducers in 1.8 million-word vocabulary continuous speech recognition.

Takaaki Hori, Chiori Hori, Yasuhiro Minami

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

2003

Speech summarization using weighted finite-state transducers.

Takaaki Hori, Chiori Hori, Yasuhiro Minami

Proceedings of the 8th European Conference on Speech Communication and Technology, EUROSPEECH 2003, 2003

Evaluation method for automatic speech summarization.

Chiori Hori, Takaaki Hori, Sadaoki Furui

Proceedings of the 8th European Conference on Speech Communication and Technology, EUROSPEECH 2003, 2003

Language model adaptation using WFST-based speaking-style translation.

Takaaki Hori, Daniel Willett, Yasuhiro Minami

Proceedings of the 2003 IEEE International Conference on Acoustics, 2003

Deriving disambiguous queries in a spoken interactive ODQA system.

Chiori Hori, Takaaki Hori, Hideki Isozaki, Eisaku Maeda, Shigeru Katagiri, Sadaoki Furui

Proceedings of the 2003 IEEE International Conference on Acoustics, 2003

Spoken Interactive ODQA System: SPIQA.

Chiori Hori, Takaaki Hori, Hajime Tsukada, Hideki Isozaki, Yutaka Sasaki, Eisaku Maeda

Proceedings of the ACL 2003, 2003

2001

Improved phoneme-history-dependent search for large-vocabulary continuous-speech recognition.

Takaaki Hori, Yoshiaki Noda, Shoichi Matsunaga

Proceedings of the EUROSPEECH 2001 Scandinavia, 2001