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

Informatics, Human interfaces and interactions, Educational technology

Life sciences, Biomedical engineering

Informatics, Biological, health, and medical informatics

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

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

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

Hybrid Method Combining Learning Machine and Rule-Based Algorithm for Activity Recognition of Endotracheal Suctioning; and Attempt of Data Augmentation Using Generative AI
Motoki Sakai; Masaki Shuzo
Proceeding of International Conference on Activity and Behavior Computing (ABC) 2024, May 2024, Refereed

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

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

Prospects for Future Communication Research
Motoki SAKAI; Shogo OKADA; Kazuaki Kondo; Masahide Yuasa; Masaki Shuzo
7KHWK$QQXDO&RQIHUHQFHRIWKH-DSDQHVH6RFLHW\IRU$UWLILFLDO,QWHOOLJHQFH, May 2024, Not invited

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

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

電子情報通信学会

IEEE

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

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

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