SAKAI Motoki

Department of Computer ScienceAssociate Professor

Researcher Information

Degree

  • Ph.D. in Computer Science and Engineering, University of Aizu, Sep. 2009

Field Of Study

  • Informatics, Human interfaces and interactions, Educational technology
  • Life sciences, Biomedical engineering
  • Informatics, Biological, health, and medical informatics

Career

  • Apr. 2021 - Present
    Nihon University, College of Engineering Department of Computer Science, Associate Professor
  • Apr. 2017 - Mar. 2021
    Tokyo Denki University School of System Design and Technology Associate Professor
  • Apr. 2016 - Mar. 2017
    Chiba University of Commerce Faculty of Policy Informatics Lecturer with tenure
  • Oct. 2015 - Mar. 2016
    Chiba University of Commerce Faculty of Policy Informatics Assistant Professor
  • Apr. 2013 - Sep. 2015
    Tokyo Denki University School of Information Environment Assistant Professor
  • Sep. 2010 - Mar. 2013
    Fukushima University Graduate School of Symbiotic Systems Science and Technology Assistant Professor Extraordinary
  • Oct. 2009 - Aug. 2010
    QRS cooperation Researcher

Educational Background

  • Apr. 2005 - Sep. 2009
    University of Aizu, Graduate School of Computer Science and Engineering, Graduate Department of Computer and Information System
  • Apr. 2003 - Mar. 2005
    The University of Aizu Graduate School, Graduate School of Computer Science and Engineering
  • Apr. 1999 - Mar. 2003
    The University of Aizu, School of Computer Sience and Engineering
Research activity information

Award

  • Feb. 2020
    東京電機大学, 東京電機大学 研究・産官学連携貢献賞(若手研究者部門)
    酒井元気
  • Feb. 2020
    東京電機大学, 東京電機大学 研究・産官学連携貢献賞(団体部門)
    酒井元気
  • 東京電機大学, 東京電機大学 研究・産官学連携貢献賞(団体部門)
    Others
  • Computers in Biology and Medicine, Outstanding contribution in reviewing
    Publisher

Paper

  • 大学1・2年生によるグループ・ディスカッション 継続実施時のスキル分析の試み
    湯浅将英; 中野美香; 酒造正樹; 酒井元気
    工学教育(J. of JSEE), Dec. 2023, Refereed, Not invited
    Last
  • Ensemble Learning Models-Based Prediction of Personal Thermal Assessment Aimed at Heatstroke Prevention
    Motoki Sakai; Masaki Shuzo
    Proceeding of International Conference on Activity and Behavior Computing (ABC) 2023, Sep. 2023, Refereed
    Lead
  • Application of Machine Learning Technology for Automatic Motion Recognition for Japanese Tea-Making Procedure of CHA-NO-YU
    Motoki Sakai
    International Journal of Advances in Scientific Research and Engineering, 2023, Refereed
    Lead
  • Comparison between Machine Learning and Objective Evaluation in Estimating Emotions of Participants in Video Conferencing
    Nozomi Toba; Hirohiko Suwa; Motoki Sakai; Masaki Shuzo; Keiichi Yasumoto
    Proceeding of International Conference on Activity and Behavior Computing (ABC) 2022, Oct. 2022, Refereed
  • Feasibility Study of Predicting MBTI Personality Types with Group Discussion Dataset
    Motoki Sakai; Masaki Shuzo; Kai Imasato
    Proceeding of International Conference on Activity and Behavior Computing (ABC) 2022, Oct. 2022, Refereed
    Lead
  • BLOOD PRESSURE ESTIMATION FROM VOICE SPECTRUM WITH CONVOLUTIONAL NEURAL NETWORKS
    Motoki SAKAI
    EUROPEAN JOURNAL OF PHARMACEUTICAL AND MEDICAL RESEARCH, Apr. 2021, Refereed
    Lead
  • Biological and Behavioral Information-based Method of Predicting Listener Emotions toward Speaker Utterances during Group Discussion
    Motoki Sakai; Masaki Shuzo; Masahide Yuasa; Kanae Matsui; Eisaku Maeda
    Activity and Behavior Computing, Springer, Dec. 2020, Refereed, Not invited
    Lead
  • Biological and Behavioral Information-based Method of Predicting Listener Emotions toward Speaker Utterances during Group Discussion
    Motoki Sakai; Masaki Shuzo; Masahide Yuasa; Kanae Matsui; Eisaku Maeda
    Proceeding of International Conference on Activity and Behavior Computing (ABC) 2020, Aug. 2020, Refereed
    Lead
  • Single-Channel ECG Suitable for ECG-Derived Respiration
    Motoki Sakai; Rei Sekine; Xin Zhu
    Biomedical Physics & Engineering Expres, Aug. 2019, Refereed, Not invited
    Lead
  • VICA, a Visual Counseling Agent for Emotional Distress
    Yoshitaka Sakurai; Yukino Ikegami; Motoki Sakai; Hiroshi Fujikawa; Setsuo Tsuruta; Avelino J. Gonzalez; Eriko Sakurai; Ernesto Damiani; Andrea Kutics; Rainer Knauf; Fulvio Frati
    Journal of Ambient Intelligence and Humanized Computing, Jan. 2019, Refereed, Not invited
  • Visual Counseling Agent and its Evaluation
    Yoshitaka Sakurai; Yukino Ikegami; Motoki Sakai; Hiroshi Fujikawa; Setsuo Tsuruta; Avelino J. Gonzalez; Eriko Sakurai; Ernesto Damiani; Andrea Kutics; Rainer Knauf
    2018 IEEE Symposium Series on Computational Intelligence (SSCI), Nov. 2018, Refereed, Not invited
  • Introduction of Sensing System in TDU Living Laboratory
    M. Shuzo; Motoki Sakai; Eisaku Maed
    Proceedings of International Interdisciplinary Symposium on Reading Experience & Analysis of Documen, Aug. 2018, Refereed, Not invited
  • Fundamental Concept of University Living Laboratory for Appropriate Feedback
    Masaki Shuzo; Motoki Sakai; Eisaku Maeda
    PROCEEDINGS OF THE 2018 ACM INTERNATIONAL JOINT CONFERENCE ON PERVASIVE AND UBIQUITOUS COMPUTING AND PROCEEDINGS OF THE 2018 ACM INTERNATIONAL SYMPOSIUM ON WEARABLE COMPUTERS (UBICOMP/ISWC'18 ADJUNCT), Aug. 2018, Refereed, Not invited
  • Automatic Discrimination between Biomedical-Engineering and Clinical-Medicine Papers Based on Decision-Tree Algorithms: How Does the Term Usage Differ?
    SAKAI Motoki
    International Journal of Engineering Research&Science (IJOER), Jul. 2016, Refereed, Not invited
    Lead
  • Estimation of Heart Rate from Vocal Frequency Based on Support Vector Machine
    SAKAI Motoki
    International Journal of Advances in Scientific Research, Feb. 2016, Refereed, Not invited
    Lead
  • Holter ECG-based Apnea Hypopnea Index to Screen Obstructive Sleep Apnea: a New Proposal and Evaluation of Feasibility
    SAKAI Motoki; Daming Wei
    Journal of Biosciences and Medicines, Nov. 2015, Refereed, Not invited
    Lead
  • Differences between the Quantitative Features of Articles from Biomedical Engineering and the Medical Sciences Aimed at Effective Retrieval of Literature
    SAKAI Motoki
    International Journal of Electronics Communication and Computer Engineering, Nov. 2015, Refereed, Not invited
    Lead
  • Feasibility Study on Blood Pressure Estimations from Voice Spectrum Analysis
    Motoki SAKAI
    International Journal of Computer Applications, Jan. 2015, Refereed, Not invited
    Lead
  • Text Mining Technique to Distinguish between Clinical Medicine and Biomedical Engineering Research Articles
    International Journal of Engineering ,Science and Innovative Technology, Jan. 2015, Refereed, Not invited
    Lead
  • Case Study on Analysis of Vocal Frequency to Estimate Blood Pressure
    Motoki Sakai
    2015 IEEE CONGRESS ON EVOLUTIONARY COMPUTATION (CEC), 2015, Refereed, Not invited
    Lead
  • Nonnegative Matrix Factorization Algorithms using a Constraint to Increase the Discriminability of Two Classes for EEG Feature Extraction
    Motoki Sakai
    International Journal of Computer Applications, Jan. 2014, Refereed, Not invited
    Lead
  • Design of Information Dissemination System for Vehicle-to-RSU Communication Networks
    M. Dong; K. Ota; M. Sakai
    Proceedings of International Conference on Information Technology and Application, Sep. 2013, Refereed, Not invited
  • Estimation of Skin Moisture and Elasticity from Facial Image by using Kernel Ridge Regression
    M. Sakai; Y. Okuyama
    International Journal of Computer Applications, Jun. 2013, Refereed, Not invited
    Lead
  • Fractal-Dimension-Based Method for Quantification of T-Wave Alternans Using Short Time Series
    Motoki Sakai; Daming Wei
    J Comput Sci Syst Biol, Jun. 2013, Refereed, Not invited
    Lead
  • Simulation Study of a P300 Speller for Single-lead Hybrid BCI
    Toshihiro Sato; Yuichi Okuyama; Motoki Sakai
    2013 PROCEEDINGS OF SICE ANNUAL CONFERENCE (SICE), 2013, Refereed, Not invited
    Last
  • Kernel Nonnegative Matrix Factorization with Constraint Increasing the Discriminability of Two Classes for the EEG Feature Extraction
    Motoki Sakai
    2013 INTERNATIONAL CONFERENCE ON SIGNAL-IMAGE TECHNOLOGY & INTERNET-BASED SYSTEMS (SITIS), 2013, Refereed, Not invited
    Lead
  • Development of Lead System for ECG-Derived Respiration Aimed at Detection of Obstructive Sleep Apnea Syndrome
    Motoki Sakai; Xin Zhu; Yuki Yoshida; Daming Wei
    2013 INTERNATIONAL CONFERENCE ON SIGNAL-IMAGE TECHNOLOGY & INTERNET-BASED SYSTEMS (SITIS), 2013, Refereed, Not invited
    Lead
  • Nonlinear State-Space Projection based Method to Acquire EEG and ECG Components using a Single Electrode
    M. Sakai; Y. Okuyama; T. Sato; D. Wei
    International Journal of Life Science and Medical Research, Dec. 2012, Refereed, Not invited
    Lead
  • Separation of EEG and ECG components based on wavelet shrinkage and variable cosine window
    M. Sakai; Y. Okuyama; D. Wei
    Journal of Medical Engineering and Technology, Feb. 2012, Refereed, Not invited
    Lead
  • Detection of Change in Alpha Wave following Eye Closure Based on KM2O- Langevin Equation
    M. Sakai; D. Wei; W. Kong; G. Dai; H. Hu
    International Journal of Bioelectromagnetism, May 2010, Refereed, Not invited
    Lead
  • Evaluation of Drowsiness during Driving based on Heart Rate Analysis - a driving simulation study
    Masaru Tasaki; Hui Wang; Motoaki Sakai; Mai Watanabe; Qun Jin; Daming Wei
    2010 IEEE INTERNATIONAL CONFERENCE ON BIOINFORMATICS AND BIOMEDICINE WORKSHOPS (BIBMW), 2010, Refereed, Not invited
  • Separation of electrocardiographic and encephalographic components based on signal averaging and wavelet shrinkage techniques
    Motoki Sakai; Daming Wei
    COMPUTERS IN BIOLOGY AND MEDICINE, Jul. 2009, Refereed, Not invited
    Lead
  • Wavelet shrinkage applications of EEG-ECG-based human-computer interface
    Motoki Sakai; Daming Wei
    2008 IEEE 8TH INTERNATIONAL CONFERENCE ON COMPUTER AND INFORMATION TECHNOLOGY, VOLS 1 AND 2, 2008, Refereed, Not invited
    Lead
  • Detection of Electrocardiogram Mixed in Electroencephalogram by Stationarization
    M. Sakai; D. Wei
    Proceeding of 6th Int. Conf. of Bioelectromagnetism 2007, Oct. 2007, Refereed
    Lead
  • Development of P300 Detection Algorithm for Brain Computer Interface in Single Trial
    Hiroyuki Ishita; Motoki Sakai; Ji'nei Watanabe; Wenxi Chen; Daming Wei
    7th IEEE International Conference on Computer and Information Technology (CIT 2007), Oct. 2007, Refereed
  • P300 Detection for Brain-Computer Interface from Electroencephalogram Contaminated by Electrooculogram
    Motoki Sakai; Hiroyuki Ishita; Yuuki Ohshiba; Wenxi Chen; Daining Wei
    The Sixth IEEE International Conference on Computer and Information Technology (CIT'06), 2006, Refereed
    Lead

MISC

  • 汎用的なEEG‐Based Biofeedbackの実装手法の提案
    長谷川徹; 奥山祐市; 酒井元気
    電気関係学会東北支部連合大会講演論文集, Aug. 2013, Not refereed, Not invited

Lectures, oral presentations, etc.

  • 生成系AIを活用した実際のグループディスカッションと遜色ないデータ生成の検証・自動生成文章と音声読み上げツールが感情に及ぼす影響
    赤羽亮祐; 酒井元気; 吉田一彗; 成田遥人; 酒造正樹
    HCGシンポジウム2023, Dec. 2023, Not invited
  • テキスト・音声・映像情報を用いたディベート内容の評価
    酒井元気; 酒造正樹
    第37回人工知能学会全国大会(2023), Jun. 2023, Not invited
  • Withコロナ時代におけるグループコミュニケーションデータの実験的収集に向けて
    酒造正樹; 湯浅将英; 酒井元気; 湯浅将英
    第37回人工知能学会全国大会(2023), Jun. 2023, Not invited
  • グループ・ディスカッションの熟達による目標設定の視点の変化
    中野美香; 酒造正樹; 酒井元気; 湯浅将英
    第37回人工知能学会全国大会(2023), Jun. 2023, Not invited
  • オンラインミーティング参加者の感情推定における機械学習モデルと客観的評価との比較
    鳥羽望海; 藤本まなと; 諏訪博彦; 酒井元気; 酒造正樹; 安本慶一
    マルチメディア，分散，協調とモバイル(DICOMO2022)シンポジウム, Jul. 2022, Not invited
  • グループ・ディスカッションの熟達による振り返りの視点の変化
    中野美香; 酒造正樹; 酒井元気; 湯浅将英
    第36回人工知能学会全国大会(2022), Jun. 2022, Not invited
  • オンライン対話上における聞き手の感情状態の推定
    酒井元気; 林和馬; 小杉和暉; 宍戸亮太; 勝澤樹也; 高木章裕; 酒造正樹; 湯浅将英
    HCGシンポジウム2021, Dec. 2021, Not invited
  • 多人数会話におけるインタラクション実験の規範的様式
    酒造正樹; 勝澤樹也; 小杉和暉; 宍戸亮太; 林和馬; 高木章裕; 酒井元気
    HCGシンポジウム2021, Dec. 2021, Not invited
  • 学生間グループディスカッションにおける複数回の自己・相互評価によるスキル向上の検討
    湯浅将英; 酒造正樹; 酒井元気
    HCGシンポジウム2021, Dec. 2021, Not invited
  • 学生間グループディスカッションの長期的な評価の試み
    湯浅将英; 酒造正樹; 酒井元気; 中野 美香
    計測自動制御学会 システム・情報部門 学術講演会 2021, Nov. 2021, Not invited
  • 遠隔会議サービスを用いたWork Attitude推定手法の検討
    鳥羽望海; 藤本まなと; 諏訪博彦; 酒井元気; 酒造正樹; 安本慶一
    2021年度 情報処理学会関西支部 支部大会, Sep. 2021, Not invited
  • センサデータによるグループディス カッション中の感情状態の識別
    高木 章裕; 酒造 正樹; 酒井 元気
    第35回人工知能学会全国大会(2021), Jun. 2021, Not invited
  • 統一プロトコルによるグループディスカッションにおけるマルチモーダルデータ収集
    酒井元気; 大村廉; 岡田将吾; 酒造正樹; 諏訪博彦; 瀬川典久; 藤波香織; 村尾和哉; 湯浅将英
    第35回人工知能学会全国大会(2021), Jun. 2021
  • 加速度・角速度センサデータによる感情の状態分類モデルの提案
    高木 章裕; 酒造 正樹; 酒井 元気
    電子情報通信学会 ISSジュニア＆学生ポスターセッション, Mar. 2021, Not invited
  • R 波ピークから見るグループディスカッション時における感情の識別
    山口 大輝; 岡野 塁; 谷口 颯太郎; 今藤 夕聖; 山崎 泰知; 大出 衛; 酒井 元気
    電子情報通信学会 ISSジュニア＆学生ポスターセッション, Mar. 2021, Not invited
  • 生体情報を用いたグループディスカッション支援システムの提案
    岡野 塁; 山口 大輝; 山崎 泰知; 谷口 颯太郎; 今藤 夕聖; 大出 衛; 酒井 元気
    HCGシンポジウム2020, Dec. 2020, Not invited
  • 加速度センサデータを用いた看護行動抽出方法
    高木 章裕; 酒造 正樹; 酒井 元気
    第19回高齢者社会デザイン(ASD)研究会, Sep. 2020, Not invited
  • 加速度センサデータを用いた看護行動の識別
    高木 章裕; 木田 竜二; 酒造 正樹; 酒井 元気
    情報処理学会 第96回モバイルコンピューティングとパーベイシブシステム 第67回ユビキタスコンピューティングシステム 第28回コンシューマ・デバイス＆システム 第19回高齢社会デザイン合同研究発表会, Sep. 2020, Not invited
  • マルチモーダルセンシングによるグループディスカッション中の発話者に対する聞き手の感情予測
    酒井 元気
    第34回人工知能学会全国大会(2020), Jun. 2020, Not invited
  • グループコミュニケーションにおけるウェアラブルセンサによる緊張度の推定
    福士 祐介; 酒井 元気
    HCGシンポジウム2019, Dec. 2019, Not invited
  • 講義内および課外における生活行動把握のためのデータ計測プラットフォームの提案
    西垣 一馬; 酒井 元気
    DICOMO2019, Jul. 2019, Not invited
  • MRと筋電位センサを組み合わせた筋力トレーニング効果のリアルタイムセルフモニタリングシステム
    大塚 勇人; 西垣 一馬; 酒井 元気; 岩井将行
    インタラクション2019, Mar. 2019, Not invited
  • 講義内および課外における行動様式把握による学習効果向上をめざした研究
    西垣 一馬; 酒井 元気
    HCGシンポジウム2018, Dec. 2018, Not invited
  • ポスターセッションにおける発表者の緊張度推定に関する研究
    福士 祐介; 酒井 元気
    HCGシンポジウム2018, Dec. 2018, Not invited
  • 生体情報を用いたポスターセッションにおける行動分析
    小沼 直人; 徳永 弘子; 酒井 元気
    HCGシンポジウム2018, Dec. 2018, Not invited
  • バイタル情報・環境情報に基づく教育効果評価法
    計測自動制御学会 ライフエンジニアリング部門シンポジウム2018, Sep. 2018, Not invited
  • Relationship between Speakers' Nonverbal Expressions and Features of HRV and EMG during Poster Session
    Motoki Sakai; Hiroko Tokunaga; Naoki Mukawa; Masaki Shuzo; Eisaku Maeda
    DICOMO2018, Jul. 2018, Not invited
  • 音声周波数による血圧値の推定
    第32回心電情報処理ワークショップ, Jun. 2017, Not invited
  • A Case Study on Analysis of Vocal Frequency to Estimate Blood Pressure
    Proceedings of 2015 IEEE Congress on Evolutionary Computation, May 2015, Not invited
  • Kernel Nonnegative Matrix Factorization with Constraint Increasing the Discriminability of Two Classes for the EEG Feature Extraction
    M. Sakai
    The 9th International Conference on SIGNAL IMAGE TECHNOLOGY&INTERNET BASED SYSTEMS, Dec. 2013, Not invited
  • Development of Lead System fot ECG-Derived Respiration Aimed at Detection of Obstructive Sleep Apnea Syndrome
    M. Sakai; X. Zhu; Y. Yoshida; D. Wei
    The 9th International Conference on SIGNAL IMAGE TECHNOLOGY&INTERNET BASED SYSTEMS, Dec. 2013, Not invited
  • Simulation Study of A P300 Speller for Hybrid Single-lead Hybrid BCI
    T. Sato; Y. Okuyama; M. Sakai
    International Conference on Instrumentation, Control, Information Technology and System Integration, Oct. 2013, Not invited
  • Design of Information Dissemination System for Vehicle-to-RSU Communication Networks
    M. Dong; K. Ota; M. Sakai
    Proceedings of International Conference on Information Technology and Application, Sep. 2013, Not invited
  • Evaluation of drowsiness during driving based on heart rate analysis - A driving simulation study
    M. Tasaki; H. Wang; M. Sakai; M. Watanabe; Q. Jin; D. Wei
    Proceedings of 2008 IEEE Bioinformatics and Biomedicine Workshops, 2010, Not invited

Courses

  • Sep. 2023 - Present
  • Sep. 2021 - Present
  • Sep. 2021 - Present
  • Sep. 2021 - Present
  • Apr. 2021 - Present
  • Apr. 2021 - Aug. 2022
  • Apr. 2021 - Aug. 2021
  • Apr. 2019 - Aug. 2021
  • Apr. 2020 - Mar. 2021
  • Sep. 2019 - Mar. 2021
  • Sep. 2018 - Mar. 2021
  • Sep. 2018 - Mar. 2021
  • Apr. 2018 - Mar. 2021
  • Sep. 2017 - Mar. 2021
  • Apr. 2017 - Mar. 2021
  • May 2020 - Aug. 2020
  • Apr. 2019 - Aug. 2020
  • Apr. 2018 - Aug. 2020
  • Apr. 2018 - Aug. 2020
  • Apr. 2017 - Aug. 2020
  • Oct. 2016 - Mar. 2018
  • Oct. 2015 - Mar. 2018
  • Apr. 2016 - Aug. 2017
  • Oct. 2015 - Aug. 2017
  • Oct. 2016 - Mar. 2017
  • Oct. 2016 - Mar. 2017
  • Oct. 2016 - Mar. 2017
  • Oct. 2015 - Mar. 2016
  • Sep. 2013 - Mar. 2016
  • Apr. 2013 - Sep. 2015
  • Apr. 2013 - Sep. 2015
  • Apr. 2013 - Sep. 2015
  • Apr. 2013 - Sep. 2015
  • Apr. 2015 - Aug. 2015
  • Apr. 2013 - Aug. 2015
  • Sep. 2013 - Mar. 2014
  • Apr. 2013 - Aug. 2013
  • Sep. 2010 - Mar. 2013
  • Sep. 2010 - Mar. 2013
  • May 2011 - Aug. 2011

Affiliated academic society

  • 電子情報通信学会
  • IEEE

Works

  • 汎用的なEEG‐Based Biofeedbackの実装手法の提案
    長谷川徹; 奥山祐市; 酒井元気
    Aug. 2013, Others

Research Themes

  • 大学横断型統一実験プロトコルに基づくセンサ利活用の教育ビッグデータ収集
    科学研究費補助金・基盤研究(B) (一般), 基盤研究(B), Apr. 2019
  • イノベーション・リビングラボの先導研究
    Sep. 2017
    前田 英作; 機大学システムデザイン工学部情報システム工学科教授; 武川直樹; 宍戸 真; 土肥 紳一; 八槇 博史; 大島 直樹; 酒造正樹; 徳永弘子
  • OSAS検出のための呼吸推定に特化した心電図誘導法に関する研究
    独立行政法人日本学術振興会, 若手研究(B), Apr. 2015 - Mar. 2017
    酒井元気
  • Feasibility of Clininical Application of Synthesized 18-lead ECG in Atrial Fibrillation
    Japan Society for the Promotion of Science, Grants-in-Aid for Scientific Research, 01 Apr. 2012 - 31 Mar. 2015
    WEI DAMING; SHIMOKAWA Hiroaki; FUKUDA Koji; ZHU Xin; SAKAI Motoki

Social Contribution Activities

  • Chair position: 2016 IEEE Symposium on Security and Privacy in Social Networks and Big Data
    presenter
    Dec. 2016 - Dec. 2016
  • IEEE Journal of Biomedical and Health Informatics reviewer
    others
    Aug. 2016 - Oct. 2016
  • Journal of Advanced Computational Intelligence and Intelligent Informatics (JACIII) reviewer
    others
    Apr. 2016 - Jun. 2016
  • Computers in Biology and Medicine reviewer
    others
    Apr. 2016 - Jun. 2016