Ryo Masumura

According to our database, Ryo Masumura authored at least 131 papers between 2010 and 2024.

Collaborative distances:

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

2024

Boosting Hybrid Autoregressive Transducer-based ASR with Internal Acoustic Model Training and Dual Blank Thresholding.

Takafumi Moriya, Takanori Ashihara, Masato Mimura, Hiroshi Sato, Kohei Matsuura, Ryo Masumura, Taichi Asami

CoRR, 2024

Alignment-Free Training for Transducer-based Multi-Talker ASR.

Takafumi Moriya, Shota Horiguchi, Marc Delcroix, Ryo Masumura, Takanori Ashihara, Hiroshi Sato, Kohei Matsuura, Masato Mimura

CoRR, 2024

Factor-Conditioned Speaking-Style Captioning.

Atsushi Ando, Takafumi Moriya, Shota Horiguchi, Ryo Masumura

CoRR, 2024

Talking Face Generation for Impression Conversion Considering Speech Semantics.

Saki Mizuno, Nobukatsu Hojo, Kazutoshi Shinoda, Keita Suzuki, Mana Ihori, Hiroshi Sato, Tomohiro Tanaka, Naotaka Kawata, Satoshi Kobashikawa, Ryo Masumura

Proceedings of the IEEE International Conference on Acoustics, 2024

2023

Multi-region CNN-Transformer for Micro-gesture Recognition in Face and Upper Body.

Keita Suzuki, Satoshi Suzuki, Ryo Masumura, Atsushi Ando, Naoki Makishima

Proceedings of the ACM Multimedia Asia 2023, 2023

Downstream Task Agnostic Speech Enhancement with Self-Supervised Representation Loss.

Hiroshi Sato, Ryo Masumura, Tsubasa Ochiai, Marc Delcroix, Takafumi Moriya, Takanori Ashihara, Kentaro Shinayama, Saki Mizuno, Mana Ihori, Tomohiro Tanaka, Nobukatsu Hojo

Proceedings of the 24th Annual Conference of the International Speech Communication Association, 2023

Knowledge Distillation for Neural Transducer-based Target-Speaker ASR: Exploiting Parallel Mixture/Single-Talker Speech Data.

Takafumi Moriya, Hiroshi Sato, Tsubasa Ochiai, Marc Delcroix, Takanori Ashihara, Kohei Matsuura, Tomohiro Tanaka, Ryo Masumura, Atsunori Ogawa, Taichi Asami

Proceedings of the 24th Annual Conference of the International Speech Communication Association, 2023

End-to-End Joint Target and Non-Target Speakers ASR.

Ryo Masumura, Naoki Makishima, Taiga Yamane, Yoshihiko Yamazaki, Saki Mizuno, Mana Ihori, Mihiro Uchida, Keita Suzuki, Hiroshi Sato, Tomohiro Tanaka, Akihiko Takashima, Satoshi Suzuki, Takafumi Moriya, Nobukatsu Hojo, Atsushi Ando

Proceedings of the 24th Annual Conference of the International Speech Communication Association, 2023

Joint Autoregressive Modeling of End-to-End Multi-Talker Overlapped Speech Recognition and Utterance-level Timestamp Prediction.

Naoki Makishima, Keita Suzuki, Satoshi Suzuki, Atsushi Ando, Ryo Masumura

Proceedings of the 24th Annual Conference of the International Speech Communication Association, 2023

What are differences? Comparing DNN and Human by Their Performance and Characteristics in Speaker Age Estimation.

Yuki Kitagishi, Naohiro Tawara, Atsunori Ogawa, Ryo Masumura, Taichi Asami

Proceedings of the 24th Annual Conference of the International Speech Communication Association, 2023

Transcribing Speech as Spoken and Written Dual Text Using an Autoregressive Model.

Mana Ihori, Hiroshi Sato, Tomohiro Tanaka, Ryo Masumura, Saki Mizuno, Nobukatsu Hojo

Proceedings of the 24th Annual Conference of the International Speech Communication Association, 2023

Audio-Visual Praise Estimation for Conversational Video based on Synchronization-Guided Multimodal Transformer.

Nobukatsu Hojo, Saki Mizuno, Satoshi Kobashikawa, Ryo Masumura, Mana Ihori, Hiroshi Sato, Tomohiro Tanaka

Proceedings of the 24th Annual Conference of the International Speech Communication Association, 2023

Retrieval, Masking, and Generation: Feedback Comment Generation using Masked Comment Examples.

Mana Ihori, Hiroshi Sato, Tomohiro Tanaka, Ryo Masumura

Proceedings of the 16th International Natural Language Generation Conference, 2023

Open-Set Recognition for Facial-Expression Recognition.

Mihiro Uchida, Shota Orihashi, Akihiko Takashima, Yoshihiro Yamazaki, Ryo Masumura

Proceedings of the IEEE International Conference on Image Processing, 2023

OnDA-DETR: Online Domain Adaptation for Detection Transformers with Self-Training Framework.

Satoshi Suzuki, Taiga Yamane, Naoki Makishima, Keita Suzuki, Atsushi Ando, Ryo Masumura

Proceedings of the IEEE International Conference on Image Processing, 2023

Distilling Knowledge of Bidirectional Language Model for Scene Text Recognition.

Shota Orihashi, Yoshihiro Yamazaki, Mihiro Uchida, Akihiko Takashima, Ryo Masumura

Proceedings of the IEEE International Conference on Image Processing, 2023

Adversarial Finetuning with Latent Representation Constraint to Mitigate Accuracy-Robustness Tradeoff.

Satoshi Suzuki, Shin'ya Yamaguchi, Shoichiro Takeda, Sekitoshi Kanai, Naoki Makishima, Atsushi Ando, Ryo Masumura

Proceedings of the IEEE/CVF International Conference on Computer Vision, 2023

Leveraging Language Embeddings for Cross-Lingual Self-Supervised Speech Representation Learning.

Tomohiro Tanaka, Ryo Masumura, Mana Ihori, Hiroshi Sato, Taiga Yamane, Takanori Ashihara, Kohei Matsuura, Takafumi Moriya

Proceedings of the IEEE International Conference on Acoustics, 2023

Improving Scheduled Sampling for Neural Transducer-Based ASR.

Takafumi Moriya, Takanori Ashihara, Hiroshi Sato, Kohei Matsuura, Tomohiro Tanaka, Ryo Masumura

Proceedings of the IEEE International Conference on Acoustics, 2023

Next-Speaker Prediction Based on Non-Verbal Information in Multi-Party Video Conversation.

Saki Mizuno, Nobukatsu Hojo, Satoshi Kobashikawa, Ryo Masumura

Proceedings of the IEEE International Conference on Acoustics, 2023

Leveraging Large Text Corpora For End-To-End Speech Summarization.

Kohei Matsuura, Takanori Ashihara, Takafumi Moriya, Tomohiro Tanaka, Atsunori Ogawa, Marc Delcroix, Ryo Masumura

Proceedings of the IEEE International Conference on Acoustics, 2023

Modeling Lead-Lag Structure in Facial Expression Synchrony for Social-Psychological Outcome Prediction from Negotiation Interaction.

Nobukatsu Hojo, Saki Mizuno, Satoshi Kobashikawa, Ryo Masumura

Proceedings of the IEEE International Conference on Acoustics, 2023

Text-to-Text Pre-Training with Paraphrasing for Improving Transformer-Based Image Captioning.

Ryo Masumura, Naoki Makishima, Mana Ihori, Akihiko Takashima, Tomohiro Tanaka, Shota Orihashi

Proceedings of the 31st European Signal Processing Conference, 2023

2022

Audio Visual Scene-Aware Dialog Generation with Transformer-based Video Representations.

Yoshihiro Yamazaki, Shota Orihashi, Ryo Masumura, Mihiro Uchida, Akihiko Takashima

CoRR, 2022

Knowledge Transferred Fine-Tuning: Convolutional Neural Network Is Born Again With Anti-Aliasing Even in Data-Limited Situations.

Satoshi Suzuki, Shoichiro Takeda, Naoki Makishima, Atsushi Ando, Ryo Masumura, Hayaru Shouno

IEEE Access, 2022

On the Use of Modality-Specific Large-Scale Pre-Trained Encoders for Multimodal Sentiment Analysis.

Atsushi Ando, Ryo Masumura, Akihiko Takashima, Satoshi Suzuki, Naoki Makishima, Keita Suzuki, Takafumi Moriya, Takanori Ashihara, Hiroshi Sato

Proceedings of the IEEE Spoken Language Technology Workshop, 2022

Multimodal Negotiation Corpus with Various Subjective Assessments for Social-Psychological Outcome Prediction from Non-Verbal Cues.

Nobukatsu Hojo, Satoshi Kobashikawa, Saki Mizuno, Ryo Masumura

Proceedings of the Thirteenth Language Resources and Evaluation Conference, 2022

Domain Adversarial Self-Supervised Speech Representation Learning for Improving Unknown Domain Downstream Tasks.

Tomohiro Tanaka, Ryo Masumura, Hiroshi Sato, Mana Ihori, Kohei Matsuura, Takanori Ashihara, Takafumi Moriya

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

Interactive Co-Learning with Cross-Modal Transformer for Audio-Visual Emotion Recognition.

Akihiko Takashima, Ryo Masumura, Atsushi Ando, Yoshihiro Yamazaki, Mihiro Uchida, Shota Orihashi

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

Strategies to Improve Robustness of Target Speech Extraction to Enrollment Variations.

Hiroshi Sato, Tsubasa Ochiai, Marc Delcroix, Keisuke Kinoshita, Takafumi Moriya, Naoki Makishima, Mana Ihori, Tomohiro Tanaka, Ryo Masumura

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

Dialogue Acts Aided Important Utterance Detection Based on Multiparty and Multimodal Information.

Fumio Nihei, Ryo Ishii, Yukiko I. Nakano, Kyosuke Nishida, Ryo Masumura, Atsushi Fukayama, Takao Nakamura

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

Predicting VQVAE-based Character Acting Style from Quotation-Annotated Text for Audiobook Speech Synthesis.

Wataru Nakata, Tomoki Koriyama, Shinnosuke Takamichi, Yuki Saito, Yusuke Ijima, Ryo Masumura, Hiroshi Saruwatari

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

End-to-End Joint Modeling of Conversation History-Dependent and Independent ASR Systems with Multi-History Training.

Ryo Masumura, Yoshihiro Yamazaki, Saki Mizuno, Naoki Makishima, Mana Ihori, Mihiro Uchida, Hiroshi Sato, Tomohiro Tanaka, Akihiko Takashima, Satoshi Suzuki, Shota Orihashi, Takafumi Moriya, Nobukatsu Hojo, Atsushi Ando

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

Speaker consistency loss and step-wise optimization for semi-supervised joint training of TTS and ASR using unpaired text data.

Naoki Makishima, Satoshi Suzuki, Atsushi Ando, Ryo Masumura

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

Fully Shareable Scene Text Recognition Modeling for Horizontal and Vertical Writing.

Shota Orihashi, Yoshihiro Yamazaki, Mihiro Uchida, Akihiko Takashima, Ryo Masumura

Proceedings of the 2022 IEEE International Conference on Image Processing, 2022

Hybrid RNN-T/Attention-Based Streaming ASR with Triggered Chunkwise Attention and Dual Internal Language Model Integration.

Takafumi Moriya, Takanori Ashihara, Atsushi Ando, Hiroshi Sato, Tomohiro Tanaka, Kohei Matsuura, Ryo Masumura, Marc Delcroix, Takahiro Shinozaki

Proceedings of the IEEE International Conference on Acoustics, 2022

Customer Satisfaction Estimation Using Unsupervised Representation Learning with Multi-Format Prediction Loss.

Atsushi Ando, Yumiko Murata, Ryo Masumura, Satoshi Suzuki, Naoki Makishima, Takafumi Moriya, Takanori Ashihara, Hiroshi Sato

Proceedings of the IEEE International Conference on Acoustics, 2022

Multi-Perspective Document Revision.

Mana Ihori, Hiroshi Sato, Tomohiro Tanaka, Ryo Masumura

Proceedings of the 29th International Conference on Computational Linguistics, 2022

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

Audiobook Speech Synthesis Conditioned by Cross-Sentence Context-Aware Word Embeddings.

Wataru Nakata, Tomoki Koriyama, Shinnosuke Takamichi, Naoko Tanji, Yusuke Ijima, Ryo Masumura, Hiroshi Saruwatari

Proceedings of the 11th ISCA Speech Synthesis Workshop, 2021

Large-Context Conversational Representation Learning: Self-Supervised Learning For Conversational Documents.

Ryo Masumura, Naoki Makishima, Mana Ihori, Akihiko Takashima, Tomohiro Tanaka, Shota Orihashi

Proceedings of the IEEE Spoken Language Technology Workshop, 2021

Utilizing Resource-Rich Language Datasets for End-to-End Scene Text Recognition in Resource-Poor Languages.

Shota Orihashi, Yoshihiro Yamazaki, Naoki Makishima, Mana Ihori, Akihiko Takashima, Tomohiro Tanaka, Ryo Masumura

Proceedings of the MMAsia '21: ACM Multimedia Asia, Gold Coast, Australia, December 1, 2021

End-to-End Rich Transcription-Style Automatic Speech Recognition with Semi-Supervised Learning.

Tomohiro Tanaka, Ryo Masumura, Mana Ihori, Akihiko Takashima, Shota Orihashi, Naoki Makishima

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

Cross-Modal Transformer-Based Neural Correction Models for Automatic Speech Recognition.

Tomohiro Tanaka, Ryo Masumura, Mana Ihori, Akihiko Takashima, Takafumi Moriya, Takanori Ashihara, Shota Orihashi, Naoki Makishima

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

Streaming End-to-End Speech Recognition for Hybrid RNN-T/Attention Architecture.

Takafumi Moriya, Tomohiro Tanaka, Takanori Ashihara, Tsubasa Ochiai, Hiroshi Sato, Atsushi Ando, Ryo Masumura, Marc Delcroix, Taichi Asami

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

Unified Autoregressive Modeling for Joint End-to-End Multi-Talker Overlapped Speech Recognition and Speaker Attribute Estimation.

Ryo Masumura, Daiki Okamura, Naoki Makishima, Mana Ihori, Akihiko Takashima, Tomohiro Tanaka, Shota Orihashi

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

Enrollment-Less Training for Personalized Voice Activity Detection.

Naoki Makishima, Mana Ihori, Tomohiro Tanaka, Akihiko Takashima, Shota Orihashi, Ryo Masumura

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

Zero-Shot Joint Modeling of Multiple Spoken-Text-Style Conversion Tasks Using Switching Tokens.

Mana Ihori, Naoki Makishima, Tomohiro Tanaka, Akihiko Takashima, Shota Orihashi, Ryo Masumura

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

Simpleflat: A Simple Whole-Network Pre-Training Approach for RNN Transducer-Based End-to-End Speech Recognition.

Takafumi Moriya, Takanori Ashihara, Tomohiro Tanaka, Tsubasa Ochiai, Hiroshi Sato, Atsushi Ando, Yusuke Ijima, Ryo Masumura, Yusuke Shinohara

Proceedings of the IEEE International Conference on Acoustics, 2021

Hierarchical Transformer-Based Large-Context End-To-End ASR with Large-Context Knowledge Distillation.

Ryo Masumura, Naoki Makishima, Mana Ihori, Akihiko Takashima, Tomohiro Tanaka, Shota Orihashi

Proceedings of the IEEE International Conference on Acoustics, 2021

Audio-Visual Speech Separation Using Cross-Modal Correspondence Loss.

Naoki Makishima, Mana Ihori, Akihiko Takashima, Tomohiro Tanaka, Shota Orihashi, Ryo Masumura

Proceedings of the IEEE International Conference on Acoustics, 2021

MAPGN: Masked Pointer-Generator Network for Sequence-to-Sequence Pre-Training.

Mana Ihori, Naoki Makishima, Tomohiro Tanaka, Akihiko Takashima, Shota Orihashi, Ryo Masumura

Proceedings of the IEEE International Conference on Acoustics, 2021

Speech Emotion Recognition Based on Listener Adaptive Models.

Atsushi Ando, Ryo Masumura, Hiroshi Sato, Takafumi Moriya, Takanori Ashihara, Yusuke Ijima, Tomoki Toda

Proceedings of the IEEE International Conference on Acoustics, 2021

Hierarchical Knowledge Distillation for Dialogue Sequence Labeling.

Shota Orihashi, Yoshihiro Yamazaki, Naoki Makishima, Mana Ihori, Akihiko Takashima, Tomohiro Tanaka, Ryo Masumura

Proceedings of the IEEE Automatic Speech Recognition and Understanding Workshop, 2021

2020

Customer Satisfaction Estimation in Contact Center Calls Based on a Hierarchical Multi-Task Model.

Atsushi Ando, Ryo Masumura, Hosana Kamiyama, Satoshi Kobashikawa, Yushi Aono, Tomoki Toda

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

DNN-based Speech Synthesis Using Abundant Tags of Spontaneous Speech Corpus.

Yuki Yamashita, Tomoki Koriyama, Yuki Saito, Shinnosuke Takamichi, Yusuke Ijima, Ryo Masumura, Hiroshi Saruwatari

Proceedings of The 12th Language Resources and Evaluation Conference, 2020

Generating Responses that Reflect Meta Information in User-Generated Question Answer Pairs.

Takashi Kodama, Ryuichiro Higashinaka, Koh Mitsuda, Ryo Masumura, Yushi Aono, Ryuta Nakamura, Noritake Adachi, Hidetoshi Kawabata

Proceedings of The 12th Language Resources and Evaluation Conference, 2020

Parallel Corpus for Japanese Spoken-to-Written Style Conversion.

Mana Ihori, Akihiko Takashima, Ryo Masumura

Proceedings of The 12th Language Resources and Evaluation Conference, 2020

Investigating Effective Additional Contextual Factors in DNN-Based Spontaneous Speech Synthesis.

Yuki Yamashita, Tomoki Koriyama, Yuki Saito, Shinnosuke Takamichi, Yusuke Ijima, Ryo Masumura, Hiroshi Saruwatari

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

Unsupervised Domain Adaptation for Dialogue Sequence Labeling Based on Hierarchical Adversarial Training.

Shota Orihashi, Mana Ihori, Tomohiro Tanaka, Ryo Masumura

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

Self-Distillation for Improving CTC-Transformer-Based ASR Systems.

Takafumi Moriya, Tsubasa Ochiai, Shigeki Karita, Hiroshi Sato, Tomohiro Tanaka, Takanori Ashihara, Ryo Masumura, Yusuke Shinohara, Marc Delcroix

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

Phoneme-to-Grapheme Conversion Based Large-Scale Pre-Training for End-to-End Automatic Speech Recognition.

Ryo Masumura, Naoki Makishima, Mana Ihori, Akihiko Takashima, Tomohiro Tanaka, Shota Orihashi

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

A Transformer-Based Audio Captioning Model with Keyword Estimation.

Yuma Koizumi, Ryo Masumura, Kyosuke Nishida, Masahiro Yasuda, Shoichiro Saito

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

Memory Attentive Fusion: External Language Model Integration for Transformer-based Sequence-to-Sequence Model.

Mana Ihori, Ryo Masumura, Naoki Makishima, Tomohiro Tanaka, Akihiko Takashima, Shota Orihashi

Proceedings of the 13th International Conference on Natural Language Generation, 2020

Distilling Attention Weights for CTC-Based ASR Systems.

Takafumi Moriya, Hiroshi Sato, Tomohiro Tanaka, Takanori Ashihara, Ryo Masumura, Yusuke Shinohara

Proceedings of the 2020 IEEE International Conference on Acoustics, 2020

Sequence-Level Consistency Training for Semi-Supervised End-to-End Automatic Speech Recognition.

Ryo Masumura, Mana Ihori, Akihiko Takashima, Takafumi Moriya, Atsushi Ando, Yusuke Shinohara

Proceedings of the 2020 IEEE International Conference on Acoustics, 2020

Large-Context Pointer-Generator Networks for Spoken-to-Written Style Conversion.

Mana Ihori, Akihiko Takashima, Ryo Masumura

Proceedings of the 2020 IEEE International Conference on Acoustics, 2020

Sequence-To-One Neural Networks for Japanese Dialect Speech Classification.

Ryo Imaizumi, Ryo Masumura, Sayaka Shiota, Hitoshi Kiya

Proceedings of the 9th IEEE Global Conference on Consumer Electronics, 2020

Unsupervised Domain Adversarial Training in Angular Space for Facial Expression Recognition.

Akihiko Takashima, Naoki Makishima, Mana Ihori, Tomohiro Tanaka, Shota Orihashi, Ryo Masumura

Proceedings of the Asia-Pacific Signal and Information Processing Association Annual Summit and Conference, 2020

End-to-End Automatic Speech Recognition with Deep Mutual Learning.

Ryo Masumura, Mana Ihori, Akihiko Takashima, Tomohiro Tanaka, Takanori Ashihara

Proceedings of the Asia-Pacific Signal and Information Processing Association Annual Summit and Conference, 2020

Dialect-Aware Modeling for End-to-End Japanese Dialect Speech Recognition.

Ryo Imaizumi, Ryo Masumura, Sayaka Shiota, Hitoshi Kiya

Proceedings of the Asia-Pacific Signal and Information Processing Association Annual Summit and Conference, 2020

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

Recurrent out-of-vocabulary word detection based on distribution of features.

Taichi Asami, Ryo Masumura, Yushi Aono, Koichi Shinoda

Comput. Speech Lang., 2019

Does Speaking Training Application with Speech Recognition Motivate Junior High School Students in Actual Classroom? - A Case Study.

Satoshi Kobashikawa, Atushi Odakura, Takao Nakamura, Takeshi Mori, Kimitaka Endo, Takafumi Moriya, Ryo Masumura, Yushi Aono, Nobuaki Minematsu

Proceedings of the 8th ISCA International Workshop on Speech and Language Technology in Education, 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

Joint Maximization Decoder with Neural Converters for Fully Neural Network-Based Japanese Speech Recognition.

Takafumi Moriya, Jian Wang, Tomohiro Tanaka, Ryo Masumura, Yusuke Shinohara, Yoshikazu Yamaguchi, 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

Speech Emotion Recognition Based on Multi-Label Emotion Existence Model.

Atsushi Ando, Ryo Masumura, Hosana Kamiyama, Satoshi Kobashikawa, Yushi Aono

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

Revisiting Dynamic Adjustment of Language Model Scaling Factor for Automatic Speech Recognition.

Hiroshi Sato, Takafumi Moriya, Yusuke Shinohara, Ryo Masumura, Takaaki Fukutomi, Kiyoaki Matsui, Takanori Ashihara, Yoshikazu Yamaguchi, 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

Urgent Voicemail Detection Focused on Long-term Temporal Variation.

Hosana Kamiyama, Atsushi Ando, Ryo Masumura, Satoshi Kobashikawa, Yushi Aono

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

Likability Estimation of Call-center Agents by Suppressing Annotator Variability.

Hosana Kamiyama, Atsushi Ando, Ryo Masumura, Satoshi Kobashikawa, 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

Neural Dialogue Context Online End-of-Turn Detection.

Ryo Masumura, Tomohiro Tanaka, Atsushi Ando, Ryo Ishii, Ryuichiro Higashinaka, Yushi Aono

Proceedings of the 19th Annual SIGdial Meeting on Discourse and Dialogue, 2018

Neural Error Corrective Language Models for Automatic Speech Recognition.

Tomohiro Tanaka, Ryo Masumura, Hirokazu Masataki, Yushi Aono

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

Role Play Dialogue Aware Language Models Based on Conditional Hierarchical Recurrent Encoder-Decoder.

Ryo Masumura, Tomohiro Tanaka, Atsushi Ando, Hirokazu Masataki, Yushi Aono

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

Automatic Question Detection from Acoustic and Phonetic Features Using Feature-wise Pre-training.

Atsushi Ando, Reine Asakawa, Ryo Masumura, Hosana Kamiyama, Satoshi Kobashikawa, Yushi Aono

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

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

Ryo Masumura, Yusuke Ijima, Taichi Asami, Hirokazu Masataki, Ryuichiro Higashinaka

Proceedings of the 2018 IEEE International Conference on Acoustics, 2018

Soft-Target Training with Ambiguous Emotional Utterances for DNN-Based Speech Emotion Classification.

Atsushi Ando, Satoshi Kobashikawa, Hosana Kamiyama, Ryo Masumura, Yusuke Ijima, Yushi Aono

Proceedings of the 2018 IEEE International Conference on Acoustics, 2018

Adversarial Training for Multi-task and Multi-lingual Joint Modeling of Utterance Intent Classification.

Ryo Masumura, Yusuke Shinohara, Ryuichiro Higashinaka, Yushi Aono

Proceedings of the 2018 Conference on Empirical Methods in Natural Language Processing, Brussels, Belgium, October 31, 2018

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

Ryo Masumura, Tomohiro Tanaka, Ryuichiro Higashinaka, Hirokazu Masataki, Yushi Aono

Proceedings of the 27th International Conference on Computational Linguistics, 2018

Neural Speech-to-Text Language Models for Rescoring Hypotheses of DNN-HMM Hybrid Automatic Speech Recognition Systems.

Tomohiro Tanaka, Ryo Masumura, Takafumi Moriya, Yushi Aono

Proceedings of the Asia-Pacific Signal and Information Processing Association Annual Summit and Conference, 2018

Progressive Neural Network-based Knowledge Transfer in Acoustic Models.

Takafumi Moriya, Ryo Masumura, Taichi Asami, Yusuke Shinohara, Marc Delcroix, Yoshikazu Yamaguchi, Yushi Aono

Proceedings of the Asia-Pacific Signal and Information Processing Association Annual Summit and Conference, 2018

Online Call Scene Segmentation of Contact Center Dialogues based on Role Aware Hierarchical LSTM-RNNs.

Ryo Masumura, Setsuo Yamada, Tomohiro Tanaka, Atsushi Ando, Hosana Kamiyama, Yushi Aono

Proceedings of the Asia-Pacific Signal and Information Processing Association Annual Summit and Conference, 2018

Relevant Phonetic-aware Neural Acoustic Models using Native English and Japanese Speech for Japanese-English Automatic Speech Recognition.

Ryo Masumura, Suguru Kabashima, Takafumi Moriya, Satoshi Kobashikawa, Yoshikazu Yamaguchi, Yushi Aono

Proceedings of the Asia-Pacific Signal and Information Processing Association Annual Summit and Conference, 2018

2017

Parallel Hierarchical Attention Networks with Shared Memory Reader for Multi-Stream Conversational Document Classification.

Naoki Sawada, Ryo Masumura, Hiromitsu Nishizaki

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

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

Ryo Masumura, Taichi Asami, Hirokazu Masataki, Ryo Ishii, Ryuichiro Higashinaka

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

Prosody Aware Word-Level Encoder Based on BLSTM-RNNs for DNN-Based Speech Synthesis.

Yusuke Ijima, Nobukatsu Hojo, Ryo Masumura, Taichi Asami

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

Hierarchical LSTMs with Joint Learning for Estimating Customer Satisfaction from Contact Center Calls.

Atsushi Ando, Ryo Masumura, Hosana Kamiyama, Satoshi Kobashikawa, Yushi Aono

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

Improving Neural Text Normalization with Data Augmentation at Character- and Morphological Levels.

Itsumi Saito, Jun Suzuki, Kyosuke Nishida, Kugatsu Sadamitsu, Satoshi Kobashikawa, Ryo Masumura, Yuji Matsumoto, Junji Tomita

Proceedings of the Eighth International Joint Conference on Natural Language Processing, 2017

Hyperspherical Query Likelihood Models with Word Embeddings.

Ryo Masumura, Taichi Asami, Hirokazu Masataki, Kugatsu Sadamitsu, Kyosuke Nishida, Ryuichiro Higashinaka

Proceedings of the Eighth International Joint Conference on Natural Language Processing, 2017

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

Ryo Masumura, Taichi Asami, Hirokazu Masataki, Yushi Aono

Proceedings of the 2017 IEEE International Conference on Acoustics, 2017

Domain adaptation of DNN acoustic models using knowledge distillation.

Taichi Asami, Ryo Masumura, Yoshikazu Yamaguchi, Hirokazu Masataki, Yushi Aono

Proceedings of the 2017 IEEE International Conference on Acoustics, 2017

Joint unsupervised adaptation of n-gram and RNN language models via LDA-based hybrid mixture modeling.

Ryo Masumura, Taichi Asami, Hirokazu Masataki, Yushi Aono

Proceedings of the 2017 Asia-Pacific Signal and Information Processing Association Annual Summit and Conference, 2017

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

Mechanism and Control of Whole-Body Electro-Hydrostatic Actuator Driven Humanoid Robot Hydra.

Hiroshi Kaminaga, Tianyi Ko, Ryo Masumura, Mitsuo Komagata, Shunsuke Sato, Satoshi Yorita, Yoshihiko Nakamura

Proceedings of the International Symposium on Experimental Robotics, 2016

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

Ryo Masumura, Taichi Asami, Hirokazu Masataki, Yushi Aono, Sumitaka Sakauchi

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

Recurrent Out-of-Vocabulary Word Detection Using Distribution of Features.

Taichi Asami, Ryo Masumura, Yushi Aono, Koichi Shinoda

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

Enhancement of mechanical strength, computational power, and heat management for fieldwork humanoid robots.

Hiroshi Kaminaga, Tianyi Ko, Satoshi Yorita, Shunsuke Sato, Ryo Masumura, Mitsuo Komagata, Tatsuya Ishikawa, Taira Miyatake, Yoshihiko Nakamura

Proceedings of the 16th IEEE-RAS International Conference on Humanoid Robots, 2016

2015

Discourse Relation Recognition by Comparing Various Units of Sentence Expression with Recursive Neural Network.

Atsushi Otsuka, Toru Hirano, Chiaki Miyazaki, Ryo Masumura, Ryuichiro Higashinaka, Toshiro Makino, Yoshihiro Matsuo

Proceedings of the 29th Pacific Asia Conference on Language, Information and Computation, 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

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

Taichi Asami, Ryo Masumura, Hirokazu Masataki, Manabu Okamoto, Sumitaka Sakauchi

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

Read and spontaneous speech classification based on variance of GMM supervectors.

Taichi Asami, Ryo Masumura, 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

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

2011

Language Model Expansion Using Webdata for Spoken Document Retrieval.

Ryo Masumura, Seongjun Hahm, Akinori Ito

Proceedings of the 12th Annual Conference of the International Speech Communication Association, 2011

Training a Language Model Using Webdata for Large Vocabulary Japanese Spontaneous Speech Recognition.

Ryo Masumura, Seongjun Hahm, Akinori Ito

Proceedings of the 12th Annual Conference of the International Speech Communication Association, 2011

2010

Document expansion using relevant web documents for spoken document retrieval.

Ryo Masumura, Akinori Ito, Yu Uno, Masashi Ito, Shozo Makino

Proceedings of the 6th International Conference on Natural Language Processing and Knowledge Engineering, 2010