Ryota NISHIMURA

Profile Information

Affiliation: Associate Professor, Graduate School of Engineering Department of Computer Science and Engineering, Toyohashi University of Technology

Degree: Ph.D. in Engineering(Toyohashi University)

Researcher number: 50635878
J-GLOBAL ID: 201101016974366738
researchmap Member ID: B000000477

External link: http://ryota.nishimura.name/

I am currently an Assistant Professor in the Graduate School of Science and Technology, Keio University, Japan. I received the B.E., M.E. and Ph.D. degrees from Toyohashi University of Technology, Japan, in 2005, 2007 and 2010, respectively. I joined the faculty of Toyohashi University, in 2011, as a Researcher. From 2011 to 2012, I joined the faculty of Nagoya University as a Technical Assistant. From 2012 to 2015, I joined the faculty of Nagoya Institute of Technology as an Assistant Professor. Since 2015 I has been an Assistant Professor in the Keio University. I was developing some Spoken Dialogue System. I have published 5 transaction papers and 16 proceeding papers.

Research Interests

Spoken Dialogue Systems

Research Areas

Education

Apr, 2007 - Dec, 2010

電子・情報工学専攻, 工学研究科, Toyohashi University of Technology
Dec, 2010

豊橋技術科学大学大学院工学研究科博士後期課程電子・情報工学専攻修了
Apr, 2005 - Mar, 2007

情報工学専攻, 工学研究科, Toyohashi University of Technology
Mar, 2007

豊橋技術科学大学大学院工学研究科情報工学専攻修士課程修了
Apr, 2003 - Mar, 2005

情報工学科, 工学部, Toyohashi University of Technology
Apr, 1998 - Mar, 2003

電子情報工学科, National Institute of Technology, Suzuka College

Research History

Mar, 2025 - Present

Associate Professor, Graduate School of Engineering Department of Computer Science and Engineering, Toyohashi University of Technology
Oct, 2018 - Mar, 2025

徳島大学大学院社会産業理工学研究部講師
Apr, 2017 - Sep, 2018

Researcher, Graduate School of Technology, Industrial and Social Science, Tokushima University
Apr, 2015 - Mar, 2017

Assistant Professor, Graduate School of Science and Technology, School of Science for OPEN and Environmental Systems, Keio University
Apr, 2012 - Mar, 2015

Assistant Professor, Nagoya Institute of Technology
Feb, 2011 - Mar, 2012

Technical Assistant, Nagoya University
Dec, 2010 - Jan, 2011

Researcher, Toyohashi University of Technology

Committee Memberships

Jun, 2023 - Jun, 2027

英文論文誌D編集委員会英文論文誌編集委員, Institute of Electronics, Information and Communication Engineers
Jun, 2022 - May, 2025

論文査読委員, Information Processing Society of Japan
Jan, 2023 - Dec, 2024

Chair, IEEE Consumer Electronics Society West Japan Joint Chapter
Jun, 2022 - Jun, 2024

音声研究専門委員会専門委員, Institute of Electronics, Information and Communication Engineers
Apr, 2022 - Mar, 2024

音声言語情報処理研究運営委員会運営委員, Information Processing Society of Japan
Mar, 2020 - Mar, 2024

Technical Program Committee, International Conference on Natural Language Processing and Artificial Intelligence (NLPAI)
Apr, 2018 - Mar, 2024

Full Member, International Speech Communication Association
Apr, 2018 - Mar, 2024

Full Member, Asia Pacific Signal and Information Processing Association (APSIPA)
Apr, 2008 - Mar, 2024

正会員, Institute of Electronics, Information and Communication Engineers
2018 - 2024

Technical Program Committee Chair, IEEE Global Conference on Consumer Electronics (GCCE)
2017 - 2024

Organized Session Chair (OS-SLP), IEEE Global Conference on Consumer Electronics (GCCE)
2015 - 2024

Organized Session Chair (OS-AIR), IEEE Global Conference on Consumer Electronics (GCCE)
Aug, 2023 - Aug, 2023

正会員, Japanese Society for Oral and Maxillofacial Radiology
2023 - 2023

Conference Chair, IEEE Global Conference on Consumer Electronics (GCCE)
Jan, 2021 - Dec, 2022

Treasurer, IEEE Consumer Electronics Society West Japan Joint Chapter
Jan, 2021 - Dec, 2022

Shikoku Section Treasurer, IEEE
Jan, 2021 - Dec, 2022

四国支部役員, Information Processing Society of Japan
Jan, 2021 - Dec, 2022

Conference Chair, IEEE LifeTech (Global Conference on Life sciences and Technologies)
2021 - 2021

Technical Program Committee Vice Chair, IEEE Global Conference on Consumer Electronics (GCCE)
Jan, 2019 - Dec, 2020

Chair, IEEE Consumer Electronics Society West Japan Joint Chapter

Professional Memberships

Awards

Apr, 2024

第111回日本泌尿器科学会総会Best Poster Award, Deep learning-based depth prediction system for upper tract urothelial carcinoma, 日本泌尿器科学会

Daizumoto Kei, Torii Kohei, Nishimura Ryota
Mar, 2024

THE TEACHER OF THE YEAR, Faculty of Science and Technology

Nishimura Ryota
Sep, 2023

FIT奨励賞, 歯科パノラマX線画像における歯の状態診断及び汎化性能の検証

Kumakura Kenta, Torii Kohei, Nishimura Ryota, Matsumoto Kazuyuki, Yoshida Minoru
2022

2022 62nd ACC TOKYO CREATIVITY AWARDS (ACCゴールド), AI DIALOGUE with Saya, 一般社団法人ACC

Nishimura Ryota
Oct, 2019

Best paper award, A new corpus of elderly Japanese speech for acoustic modeling, and a preliminary investigation of dialect-dependent speech recognition, IEEE

Fukuda Meiko, Nishimura Ryota
Nov, 2013

名古屋工業大学職員褒賞優秀賞, JST CREST uDialogue Project, Nagoya Institute of Technology

Nishimura Ryota
Feb, 2007

最優秀特別研究発表賞, 人間同士の対話現象を模倣した音声対話システムの研究, Toyohashi University of Technology

Nishimura Ryota
Dec, 2004

優秀発表賞, 自然な発話タイミングを生成する決定木の作成とその評価, Toyohashi University of Technology

Nishimura Ryota

Books and Other Publications

Introduction to Data Preprocessing in AI and Machine Learning --- Getting Started with Python

Kita Kenji, Nishimura Ryota, Matsumoto Kazuyuki

Kagakujyoho Shuppan Co., Ltd., Jun 16, 2021
A Multimodal Control System for Autonomous Vehicles Using Speech, Gesture, and Gaze Recognition

Kitaoka Norihide, takuma nakagawa, Nishimura Ryota, Yoshio Ishiguro, Shin'ichi Kojima, Shin Ohsuga

Walter de Gruyter & Co., 2020
Design of Reminiscence Therapy System for Elderly People with Dementia

Uchiya Takahiro, Nishimura Ryota, Hirano Takahiro, Sakurai Masaru

Springer, Nov 2, 2018
ここまで作れる! Raspberry Pi 実践サンプル集

太田一穂, 岡嶋和弘, Nishimura Ryota, 樋山淳

マイナビ出版, Jul 14, 2017
Integrating Symbols and Signals Based on Stream Reasoning and ROS

Morita Takeshi, Sugawara Yu, Nishimura Ryota, Yamaguchi Takahira

Springer, Aug 7, 2016
Development and evaluation of spoken dialog systems with one or two agents through two domains

Todo Yuki, Nishimura Ryota, Yamamoto Kazumasa, Nakagawa Seiichi

Springer, Sep 1, 2013
A spoken dialog system for chat-like conversations considering response timing

Nishimura Ryota, Kitaoka Norihide, Nakagawa Seiichi

Springer, Sep, 2007

Misc.

Construction of a Backchannel Surface Selection Model for Natural Spoken Dialog Systems Using Deep Learning

福永善理, 西村良太, 太田健吾, 北岡教英

日本音響学会研究発表会講演論文集(CD-ROM), 2024, 2024
Constructing and Evaluating a Real-time Spoken Dialog System Incorporating Models of Back-channel Responses and Turn-Taking

今本麟太朗, 西村良太, 太田健吾, 北岡教英

日本音響学会研究発表会講演論文集(CD-ROM), 2024, 2024
EARS: Construction of the speech corpus of Japanese Super-rderlies

福田芽衣子, 西村良太, 入部百合絵, 山本一公, 北岡教英

日本音響学会研究発表会講演論文集(CD-ROM), 2024, 2024
Prior estimation of utterance end time for smooth spoken dialogue systems.

金井良賢, 若林佑幸, 西村良太, 北岡教英

日本音響学会研究発表会講演論文集(CD-ROM), 2024, 2024
Development of Noise and Silence Rejection Real-time VAD-less Speech Recognition Model

江本城太郎, 西村良太, 太田健吾, 北岡教英

日本音響学会研究発表会講演論文集(CD-ROM), 2024, 2024
Artificial Emotional Intelligence ”Saya”

大須賀晋, 田中五大, 渡邊凌太, 浅見浩司, 光森卓, 道下裕也, 川崎拳人, 藤井駿伍, 石川友香, 石川晃之 …

人工知能学会言語・音声理解と対話処理研究会資料, 99, 2023
Multimodal Agent Development for Locomotion in Next Era

大須賀晋, 田中五大, 鍋倉彩那, 藤井宏行, 中野涼太, 渡邉凌太, TELYUKA, 太田健吾, Nishimura Ryota, Kitaoka Norihide

Journal of Society of Automotive Engineers of Japan, Vol.75(No.9) 108-109, Sep, 2021
自動運転車の操作におけるマルチモーダルインタラクション

中川拓磨, 西村良太, 入部百合絵, 石黒祥生, 大須賀晋, 北岡教英

日本音響学会研究発表会講演論文集(CD-ROM), 2018, 2018
User adaptation of examples for example-based reminiscence therapy spoken dialog system using word embedding

117(250) 23-28, Oct 19, 2017
Development of Spoken Dialogue System which Integrates and Shares Information based on ROS Architecture

79 79-84, Mar 8, 2017
統合知能アプリケーション開発プラットフォームPRINTEPSとその応用事例

森田武史, 萬礼応, 小篠裕子, 西村良太, 高橋正樹, 中野有紀子, 斎藤英雄, 山口高平

人工知能学会全国大会論文集, 2017 4G1OS14a2-4G1OS14a2, 2017
PRINTEPS : A Total Intelligent Application Development Platform based on ROS and Its Application

108 30-35, Jun 5, 2016
PRINTEPS : Total Intelligent Application Development Tool based on Stream Reasoning and ROS

115(375) 55-60, Dec 17, 2015
エージェントを用いたスマートフォン向け音声対話システム拡張機構の開発と評価

仲野良佑, 打矢隆弘, 西村良太, 山本大介, 内匠逸

研究報告知能システム（ICS）, 2015(2) 1-8, Mar 13, 2015
音声対話エージェントのためのWebブラウザを用いたシナリオエディタの開発

西村良太, 山本大介, 打矢隆弘, 内匠逸

マルチメディア、分散協調とモバイルシンポジウム2013論文集, 2013 1796-1799, Jul 3, 2013
スマートメイちゃん：スマートフォンの機能を有するモバイル音声対話エージェント

山本大介, 西村良太, 打矢隆弘, 内匠逸

マルチメディア、分散協調とモバイルシンポジウム2013論文集, 2013 300-304, Jul 3, 2013
Analysis and Evaluation of Spoken Dialog System with Multiple Agents

2013(18) 1-7, Jan 25, 2013
Analysis and Evaluation of Spoken Dialog System with Multiple Agents

2013(18) 1-7, Jan 25, 2013
Analysis and Evaluation of Spoken Dialog System with One Agent and Multiple Agents

2012(19) 1-8, Jan 27, 2012
Estimation of Dialogue States in Database Search Spoken Dialogue System

Ryota Nishimura, Kazunori Komatani

IPSJ SIG Notes, 2012(20) 1-7, Jan 27, 2012

Papers

Predicting Utterance-final Timing Considering Linguistic Features Using Wav2vec 2.0

Takanori Kanai, Yukoh Wakabayashi, Ryota Nishimura, Norihide Kitaoka

2024 11th International Conference on Advanced Informatics: Concept, Theory and Application (ICAICTA), 1-5, Sep 28, 2024
Listening Head Motion Generation for Multimodal Dialog System

Mikawa Tamon, Fujii Yasuhisa, Wakabayashi Yukoh, Ohta Kengo, Nishimura Ryota, Kitaoka Norihide

2024 11th International Conference on Advanced Informatics: Concept, Theory and Application (ICAICTA), 1-6, Sep 28, 2024
医用画像AI開発支援ソフトウェアを用いた歯科用CBCT画像における下顎菅のセグメンテーション

Torii Kohei, Nishimura Ryota, Honda Eiichi

Dental Radiology, Vol.64(No.1), Sep, 2024 Peer-reviewed
Detection of Arbitrary Wake Words by Coupling a Phoneme Predictor and a Phoneme Sequence Detector

Nishimura Ryota, Takaaki Uno, Taiki Yamamoto, Kengo Ohta, Kitaoka Norihide

APSIPA Transactions on Signal and Information Processing, Aug, 2024 Peer-reviewed
Recognition of target domain Japanese speech using language model replacement

Daiki Mori, Kengo Ohta, Nishimura Ryota, Atsunori Ogawa, Kitaoka Norihide

EURASIP Journal on Audio, Speech, and Music Processing, Vol.2024(No.1) 1-14, Jul 20, 2024 Peer-reviewed
Causal Effects of High Stress Assessed Via Interviews on Mental and Physical Health

Keita Kiuchi, Xin Kang, Ryota Nishimura, Manabu Sasayama, Kazuyuki Matsumoto

Journal of Occupational & Environmental Medicine, 66(7) e285-e295, Apr 12, 2024
Causal Effects of High Stress Assessed via Interviews on Mental and Physical Health: Toward Computer Agent-Driven Stress Assessment

Kiuchi Keita, KANG XIN, Nishimura Ryota, Sasayama Manabu, Matsumoto Kazuyuki

Journal of Occupational and Environmental Medicine, Apr 12, 2024 Peer-reviewed
Predicting Physical and Mental Health Status One Month Later through Interview-Based Stress Assessment

Keita Kiuchi, KANG XIN, Nishimura Ryota, Manabu Sasayama, Matsumoto Kazuyuki

Industrial Health, Vol.62(No.4) 237-251, Jan 22, 2024 Peer-reviewed
Artificial Emotional Intelligence "Saya"

OSUGA Shin, GODAI Tanaka, RYOTA Watanabe, KOJI Asami, TAKU Mitsumori, YUYA Michishita, KENTO Kawasaki, SHUNGO Fujii, YUKA Ishikawa, TERUYUKI Ishikawa …

JSAI Technical Report, SIG-SLUD, 99 199-199, Dec 4, 2023
Language modeling for spontaneous speech recognition based on disfluency labeling and generation of disfluent text

Koharu Horii, Kengo Ohta, Ryota Nishimura, Atsunori Ogawa, Norihide Kitaoka

2023 Asia Pacific Signal and Information Processing Association Annual Summit and Conference (APSIPA ASC), 1851-1856, Oct 31, 2023
Learning a Bimodal Emotion Recognition System Based on Small Amount of Speech Data

Junya Furutani, Xin Kang, Keita Kiuchi, Ryota Nishimura, Manabu Sasayama, Kazuyuki Matsumoto

2022 8th International Conference on Systems and Informatics (ICSAI), Dec 10, 2022
Facial Expression Emotion Recognition Based on Transfer Learning and Generative Model

Tomoki Kusunose, Xin Kang, Keita Kiuchi, Ryota Nishimura, Manabu Sasayama, Kazuyuki Matsumoto

2022 8th International Conference on Systems and Informatics (ICSAI), Dec 10, 2022
A Corpus-Based Analysis Of Age-Related Changes In The Acoustic Features Of Elderly To Super Elderly Speech

Meiko Fukuda, Masakazu Sugiyama, Ryota Nishimura, Yurie Iribe, Kazumasa Yamamoto, Norihide Kitaoka

2022 25th Conference of the Oriental COCOSDA International Committee for the Co-ordination and Standardisation of Speech Databases and Assessment Techniques (O-COCOSDA), Nov, 2022
Extraction of Lifestyle Habits Described in Blogs of Diabetics

Miyashita Tsubasa, Matsumoto Kazuyuki, Yoshida Minoru, Nishimura Ryota, Kita Kenji

IEEJ Transactions on Electronics, Information and Systems, Vol.142(No.10) 1144-1155, Oct 1, 2022 Peer-reviewed
Implicit language information replacing method in Japanese encoder–decode ASR model

Daiki Mori, Kengo Ohta, Ryota Nishimura, Norihide Kitaoka

2022 9th International Conference on Advanced Informatics: Concepts, Theory and Applications (ICAICTA), Sep 28, 2022
End-to-End Spontaneous Speech Recognition Using Disfluency Labeling

Koharu Horii, Meiko Fukuda, Kengo Ohta, Ryota Nishimura, Atsunori Ogawa, Norihide Kitaoka

Interspeech 2022, Sep 18, 2022
A new speech corpus of super-elderly Japanese for acoustic modeling

Fukuda Meiko, Nishimura Ryota, Nishizaki Hiromitsu, Horii Koharu, Iribe Yurie, Yamamoto Kazumasa, Kitaoka Norihide

Computer Speech & Language, Vol.77 101424-101424, Jun 24, 2022 Peer-reviewed
Development of a multimodal dialog system with photorealistic CG agent

Kitaoka Norihide, Nishimura Ryota, 太田健吾

The Journal of the Acoustical Society of Japan, Vol.78(No.5) 257-264, May 1, 2022 Invited
Input utterance complementation method by anaphora resolution for spontaneous utterances on spoken dialog systems

Nishimura Ryota, Mori Raita, Kitaoka Norihide

Transactions of the Japanese Society for Artificial Intelligence, Vol.37(No.3) 1-13, May 1, 2022 Peer-reviewed
Text-to-speech system for low-resource language using cross-lingual transfer learning and data augmentation

Zolzaya Byambadorj, Nishimura Ryota, Ayush Altangerel, Kengo Ohta, Kitaoka Norihide

EURASIP Journal on Audio, Speech, and Music Processing, Vol.2021(No.42) 1-20, Dec 4, 2021 Peer-reviewed

Presentations

172

Estimation of the end time of input utterances to a spoken dialogue system considering linguistic features using wav2vec 2.0

金井良賢, 若林佑幸, Nishimura Ryota, Kitaoka Norihide

日本音響学会研究発表会講演論文集, Sep 5, 2024
Evaluation of Speech Recognition with Lip Information Using Deep Learning in Various Noise Types

Ryuto DATE, Nishimura Ryota, Kengo Ohta, Kitaoka Norihide

日本音響学会研究発表会講演論文集, Sep 5, 2024
Turn-taking prediction based on acoustic features

Masakazu SUGIYAMA, Nishimura Ryota, Kengo Ohta, Kitaoka Norihide

日本音響学会研究発表会講演論文集, Sep 4, 2024
Improvement of health maintenance support system using a conversation robot by adding chat functions

Hirotaka HAYAMICHI, Matsumoto Kazuyuki, Nishimura Ryota, Yoshida Minoru

Proceedings of the 38th Annual Conference of the Japanese Society for Artificial Intelligence, May 30, 2024, The Japanese Society for Artificial Intelligence
Deep learning-based depth prediction system for upper tract urothelial carcinoma

Daizumoto Kei, Torii Kohei, Nishimura Ryota, Furukawa Junya

the 111th Annual Meeting of the Japanese Urological Association (JUA), Apr 27, 2024
Development of pT classification prediction system in UTUC using deep-learning

Daizumoto Kei, Naoka Osafune, Torii Kohei, Nishimura Ryota, Uehara Hisanori, Mitsuki Nishiyama, Saki Kobayashi, Sasaki Yutaro, Ryotaro Tomida, Ueno Yoshiteru, Kusuhara Yoshito, Fukawa Tomoya, Yamaguchi Kunihisa, Yamamoto Yasuyo, Takahashi Masayuki, Furukawa Junya

39th Annual European Association of Urology Congress, Apr 6, 2024
感情分析のためのカウンセリングマルチモーダルデータセットの構築および評価

Toshiki TAKANABE, Matsumoto Kazuyuki, 木内敬太, KANG XIN, Nishimura Ryota, 篠山学

情報処理学会全国大会講演論文集, Mar 16, 2024, Information Processing Society of Japan
Prior estimation of utterance end time for smooth spoken dialogue systems

金井良賢, 若林佑幸, Nishimura Ryota, Kitaoka Norihide

日本音響学会研究発表会講演論文集, Mar 6, 2024
EARSConstruction of the speech corpus of Japanese Super-rderlies

Fukuda Meiko, Nishimura Ryota, Yurie Iribe, Kazumasa Yamamoto, Kitaoka Norihide

日本音響学会研究発表会講演論文集, Mar 6, 2024
Constructing and Evaluating a Real-time Spoken Dialog System Incorporating Models of Back- channel Responses and Turn-Taking

Rintaro IMAMOTO, Nishimura Ryota, Kengo Ohta, Kitaoka Norihide

日本音響学会研究発表会講演論文集, Mar 6, 2024
Development of Noise and Silence Rejection Real-time VAD-less Speech Recognition Model

Jotaro EMOTO, Nishimura Ryota, Kengo Ohta, Kitaoka Norihide

日本音響学会研究発表会講演論文集, Mar 6, 2024
Construction of a Backchannel Surface Selection Model for Natural Spoken Dialog Systems Us- ing Deep Learning

Yoshinori FUKUNAGA, Nishimura Ryota, Kengo Ohta, Kitaoka Norihide

日本音響学会研究発表会講演論文集, Mar 6, 2024
Development of a model for predicting timing of back-channel in a real-time spoken dialog system

Aito Nakata, Nishimura Ryota, Kengo Ohta, Kitaoka Norihide

2023 IEEE 12th Global Conference on Consumer Electronics, GCCE 2023, Oct 11, 2023
Language modeling for spontaneous speech recognition based on disfluency labeling and generation of disfluent text

Koharu Horii, Kengo Ohta, Nishimura Ryota, Atsunori Ogawa, Kitaoka Norihide

2023 Asia Pacific Signal and Information Processing Association Annual Summit and Conference (APSIPA ASC), Oct, 2023
Construction and evaluation of a multilingual speech synthesis model with monolingual speakers

Kaito KOTO, Nishimura Ryota, Kengo Ohta, Kitaoka Norihide

日本音響学会研究発表会講演論文集, Sep 26, 2023
Diagnosis of Teeth Condition in Dental Panoramic X-Ray Images and Validation of Generalization Performance

Kumakura KENTA, Torii Kohei, Nishimura Ryota, Matsumoto Kazuyuki, Yoshida Minoru

第22回情報科学技術フォーラム (FIT2023), Sep 7, 2023, The Institute of Electronics, Information and Communication Engineers and Information Processing Society of Japan
Automatic Classification Method for Dental Implants Using Deep Segmentation Model

Nagae RYOTAROH, Torii Kohei, Nishimura Ryota, Matsumoto Kazuyuki, Yoshida Minoru

第22回情報科学技術フォーラム (FIT2023), Sep 7, 2023, The Institute of Electronics, Information and Communication Engineers and Information Processing Society of Japan
Segmentation of Dental Panoramic X-ray Images Using the Deep Learning Model TransUNet

Honda TSUYOSHI, Torii Kohei, Nishimura Ryota, Yoshida Minoru, Matsumoto Kazuyuki

第22回情報科学技術フォーラム (FIT2023), Sep 7, 2023, The Institute of Electronics, Information and Communication Engineers and Information Processing Society of Japan
Real-time turn-taking system that can handle barge-in utterances

Masakazu SUGIYAMA, Kengo Ohta, Nishimura Ryota, Kitaoka Norihide

日本音響学会研究発表会講演論文集, Mar 16, 2023
Improving Speech Recognition Accuracy in Noisy Situations Using Deep Learning with Lip Infor- mation

Ryuto DATE, Kengo Ohta, Nishimura Ryota, Kitaoka Norihide

日本音響学会研究発表会講演論文集, Mar 15, 2023

Teaching Experience

Research Projects

高齢者を対象とした永続的に利用できるマルチモーダル対話システム基盤技術の構築

Grants-in-Aid for Scientific Research, Apr, 2023 - Mar, 2027

北岡教英
人間の感覚と整合する音声特徴空間の構築

Grants-in-Aid for Scientific Research, Grant-in-Aid for Challenging Research (Exploratory), Japan Society for the Promotion of Science, Jun, 2022 - Mar, 2025

北岡教英
Spoken dialog system based on real-time control of dialogue tempo for smooth dialog

Grants-in-Aid for Scientific Research, Apr, 2019 - Mar, 2023

NISHIMURA Ryota
Development of base technologies for spoken dialog systems for elderlies

Grants-in-Aid for Scientific Research, Apr, 2019 - Mar, 2022

Kitaoka Norihide