Nakayama Masashi

ナカヤママサシ | Nakayama Masashi

Affiliation and department：
Job title： Associate Professor
Homepage URL (2)： https://sites.google.com/site/masashispage/ , https://sites.google.com/site/masashispage/english

Research field (7)： Intelligent informatics , Perceptual information processing , Intelligent robotics , Intelligent robotics , Perceptual information processing , Human interfaces and interactions , Control and systems engineering

Research keywords (9)：音声,骨伝導,音声認識,音声信号処理,ブラインド音声処理,ブラインド音源分離,歌声 , 音声 , 骨伝導音 , ブラインド音声処理 , ブラインド音源分離 , 非侵襲検査技術 , 歌声 , 詩吟 , 音楽音響

Research theme for competitive and other funds (21)：

2023 - 詩吟歌唱における歌唱フォルマントに関する研究
2023 - 音声を用いた医療診断技術の開発
2015 - 2019 音響的クラスタリングによる骨伝導音の明瞭性改善に関する研究
2018 - 音声を用いた歯科診断技術の開発
2016 - 2017 食品工場の高度化を視野に入れたハードウェア音声認識

Show all

Papers (45)：

畳み込みニューラルネットワークを用いた光骨伝導音の音質改善検討. 日本機械学会論文集. 2024
音声情報を用いたリアルタイム感情識別システム. 日本機械学会論文集. 2024
Masashi Nakayama, Takumi Muto, Daiki Kawamoto, Shunsuke Ishimitsu. ANALYSIS FOR SKIN PROPAGATION SPEECH WITH THREE DIMENSIONAL DISPLACEMENT MEASUREMENT. ICIC Express Letters, Part B: Applications. 2023. 14. 9. 951-959
Yuko Muto, Kaori Ishii, Hideaki Taketani, Masashi Nakayama, Shunsuke Ishimitsu, Satoshi Horihata, Kazutaka Kasai, Shinichi Negishi. Voice characteristics in patients with nasal congestion and enlarged pharyngeal tonsils. Clinical and Investigative Orthodontics. 2023. 82. 1. 15-20
Fuga Oshima, Masashi Nakayama. Speech source separation avoiding initial value dependency by cepstral-basis-decomposed nonnegative matrix factorization. Acoustical Science and Technology. 2023. 44. 2. 137-140

ｍore...

MISC (14)：

Masashi Nakayama, Takumi Muto, Shunsuke Ishimitsu. Frequency characteristics of skin propagation speech measuring with three dimensional displacement measurement. "Advances in Acoustics, Noise and Vibration - 2021" Proceedings of the 27th International Congress on Sound and Vibration, ICSV 2021. 2021
Yibing Cheng, Kenta Narusawa, Satoshi Iijima, Masashi Nakayama, Shunsuke Ishimitsu, Aiko Ishida, Osamu Mikami. Fundamental research of an early detective respiratory system for finding pig disease. 25th International Congress on Sound and Vibration 2018, ICSV 2018: Hiroshima Calling. 2018. 6. 3586-3589
Kohei Kabashima, Masashi Nakayama, Shunsuke Ishimitsu, Shohei Komatsu, Kazutaka Kasai, Satoshi Horihata. Study of pharyngeal tonsil hypertrophy detection by using phonetic sound. 25th International Congress on Sound and Vibration 2018, ICSV 2018: Hiroshima Calling. 2018. 6. 3595-3599
Kenta Narusawa, Yibing Cheng, Shunsuke Ishimitsu, Masashi Nakayama, Satoshi Iijima, Aiko Ishida, Osamu Mikami. Development of a respiratory disease detection system for livestock usingbody-conducted sound. 25th International Congress on Sound and Vibration 2018, ICSV 2018: Hiroshima Calling. 2018. 6. 3590-3594
Masashi Nakayama, Shunsuke Ishimitsu, Satoshi Iijima, Yoshiyasu Futawatari. Sutudy on skin propagation of speech using three dimensional displacement measurement. Proceedings of the 26th International Congress on Sound and Vibration, ICSV 2019. 2018

ｍore...

Patents (17)：

音質改善方法及びプログラム
分類システム,分類方法及びプログラム
生体情報測定装置、生体情報測定方法及びプログラム
アデノイド肥大判定装置、アデノイド肥大判定方法及びプログラム
舌位・舌癖判定方法及びプログラム

ｍore...

Books (3)：

Sensors for Everyday life -Healthcare Settings-
Springer International Publishing 2017 ISBN:9783319473192
Modern Speech Recognition: Approaches with Case Studies
2012 ISBN:953510831X
Speech Technologies
2011 ISBN:9533079967

Lectures and oral presentations (83)：

Real-time emotion discrimination system analysed on morpheme unit
(日本音響学会研究発表会講演論文集(CD-ROM) 2023)
Basic study of nonnegative matrix factorization with estimated number of bases.
(日本音響学会研究発表会講演論文集(CD-ROM) 2023)
Basic study of visualization for acoustic variation based on nonnegative matrix factorization.
(日本音響学会研究発表会講演論文集(CD-ROM) 2023)
Improvement on sound quality of optical-body-conducted speech using U-Net.
(日本音響学会研究発表会講演論文集(CD-ROM) 2023)
Robust speech source separation with basis-decomposed nonnegative matrix factorization.
(日本音響学会研究発表会講演論文集(CD-ROM) 2022)

ｍore...

Education (3)：

2007 - 2010 Hiroshima City University Graduate School of Information Sciences Department of Information Sciences
2005 - 2007 Toyohashi University of Technology Graduate School of Engineering Department of Information and Computer Sciences
2003 - 2005 Toyohashi University of Technology Faculty of Engineering

Professional career (3)：

博士(情報科学) (広島市立大学)
修士(工学) (豊橋技術科学大学)
学士(工学) (豊橋技術科学大学)

Work history (11)：

2022/11 - 現在 Nakayama Corporation Senior Technical Advisor
2022/04 - 現在 Hiroshima City University Graduate School Graduate School of Information Sciences Major in Systems Engineering Associate Professor
2022/04 - 現在 Hiroshima City University Faculty of Information Sciences Department of Systems Engineering Associate Professor
2018/04 - 2022/03 広島市立大学大学院情報科学研究科システム工学専攻講師
2015/04 - 2018/03 国立研究開発法人産業技術総合研究所バイオメディカル研究部門協力研究員

Show all

Awards (11)：

2021/03 - 広島市立大学教員表彰
2020/03 - 広島市立大学教員表彰
2018/05 - Elsevier, Amsterdam Outstanding Condtribution in Reviewing
2016/11 - 日本矯正歯科学会学術大会優秀発表賞
2015/03 - (社)情報処理学会情報システム教育コンテスト(ISECON2014) 奨励賞

Show all

Association Membership(s) (6)：

電気学会 , 日本機械学会 , 信号処理学会 , 電子情報通信学会 , 日本音響学会 , IEEE

※ Researcher’s information displayed in J-GLOBAL is based on the information registered in researchmap. For details, see here.

Return to Previous Page