A Cross-Sectional Study on Disease and Regional Diversity of Cognitive Impairment in Elderly Using Speech Analysis and Cerebral Blood Flow Activation

• Project/Area Number: 19H01137
• Research Category: Grant-in-Aid for Scientific Research (A)
• Allocation Type: Single-year Grants
• Section: 一般
• Review Section: Medium-sized Section 62:Applied informatics and related fields
• Research Institution: Nagoya Institute of Technology
• Principal Investigator: 加藤 昇平 名古屋工業大学, 工学(系)研究科(研究院), 教授 (70311032)
• Co-Investigator(Kenkyū-buntansha): 渡辺 宏久 藤田医科大学, 医学部, 教授 (10378177) ; 赤津 裕康 名古屋市立大学, 医薬学総合研究院(医学), 教授 (00399734) ; 高野 映子 国立研究開発法人国立長寿医療研究センター, 研究所 健康長寿支援ロボットセンター, 研究員 (60778637)
• Project Period (FY): 2019-04-01 – 2024-03-31
• Project Status: Granted (Fiscal Year 2023)
• Budget Amount: ¥45,240,000 (Direct Cost: ¥34,800,000、Indirect Cost: ¥10,440,000); Fiscal Year 2023: ¥7,540,000 (Direct Cost: ¥5,800,000、Indirect Cost: ¥1,740,000); Fiscal Year 2022: ¥7,540,000 (Direct Cost: ¥5,800,000、Indirect Cost: ¥1,740,000); Fiscal Year 2021: ¥7,800,000 (Direct Cost: ¥6,000,000、Indirect Cost: ¥1,800,000); Fiscal Year 2020: ¥8,710,000 (Direct Cost: ¥6,700,000、Indirect Cost: ¥2,010,000); Fiscal Year 2019: ¥13,650,000 (Direct Cost: ¥10,500,000、Indirect Cost: ¥3,150,000)
• Keywords: 認知症スクリーニング / 医療・福祉サービス / 発話音声・脳血流解析 / 前頭側頭葉変性症 / 地域多様性 / パーキンソン病

Outline of Research at the Start

ごく早期の認知症の発見・予防を目的とした認知機能障害のスクリーニングは，益々進む 社会の高齢化において大いに期待される技術である。申請者は、これまでの研究において 、人工知能技術を用いたアルツハイマー型認知症の早期スクリーニングの基本原理と基礎アルゴリズムを開発してきた。本申請研究課題では、 認知症ならび地域の多様性について疾患・発話語圏の横断的な研究展開を試みる。疾患多様性としては、アルツハイマー型とは異なる疾患タイプのスクリーニングを試みる。地域多様性としては、国内の都市型高齢化コミュニティならびに欧州語圏の高齢者から発話音声と認知課題遂行時脳血流データを採取して技術シーズを水平展開する。

Outline of Annual Research Achievements

本申請研究課題では、高齢者の発話音声ならびに認知課題遂行時の脳血流データを解析することで認知症の臨床診断ラベルと高い一致度を持つ認知症の早期スク リーニングの基本原理と基礎アルゴリズムを発展させることで、認知機能障害の疾患・地域多様性の横断的研究を展開する。2022年度は、以下の研究を実施した。
疾患多様性の研究項目においては、新しい神経変性疾患として、レビー小体型認知症と病理の連続性が指摘されているパーキンソン病（PD）が研究対象として加えられた。研究分担者および連携研究者の協力の下、藤田医科大学病院にて臨床データと音声記録を収集した。２０２２年度はHC９４、PD106（パーキンソン病８１、大脳皮質基底核変性症８、多系統萎縮症１７）の計２００名の臨床データが収集された。PDは、発声や構音に運動障害を伴うケースが多いため、WAB失語症検査における復唱・音読課題１６題の回答音声を解析した。音響的特徴、言語的特徴、時間特徴をそれぞれ抽出・ 分析し、発話１６課題別に構築した弱学習モデルに対してアンサンブル学習を実装することで、PDの検出モデルを試作した。
地域多様性の研究項目としては、高齢者の日常生活の記録からフィジカルフレイルのリスクを検出することを目的として、加速度データを使用したフレイル・サルコペニアのリスク要因である低筋力状態を推定するモデルを構築した。具体的には、名古屋市鳴子地区、豊田市足助地区、豊橋市の地域在住高齢者を対象に３軸加速度センサーを足首部位に装着した歩行運動から、歩行特徴量と用いた身体的虚弱状態を検出するシステムを試作した。

Current Status of Research Progress

2: Research has progressed on the whole more than it was originally planned.

Reason

臨床データの採取に欠かせない認知症専門医療機関との連携はうまく進んでおり、前頭側頭葉変性症(FTLD)および神経変性の原因蛋白として病理の連続性が指摘されている筋萎縮性側索硬化症(ALS)の高品質な臨床データが収集できている。加えて、今年度からはレビー小体型認知症と病理の連続性が指摘されているパーキンソン病（PD）の臨床データの収集にも着手できた。また、研究分担者との定期的な進捗報告や議論が実施できており、チーム体制で研究課題に取り組むことができている。

Strategy for Future Research Activity

本研究は、高齢者医療の専門医療機関、および、認知症専門医、言語・聴覚の評価と機能回復のスペシャリスト、ならびに、高齢者の協力が欠かせない。今後も、これらの連携機関・実験協力者と蜜にコミュニケーションを取り、研究を円滑・効率的に進めてゆきたい。

Research Products

• [Int'l Joint Research] University of Wollongong(オーストリア)
• [Int'l Joint Research] University of Wollongong(オーストラリア)
• [Journal Article] 閉じ込め状態を呈する筋萎縮性側索硬化症者の意思伝達支援-機械学習を用いた脳血行動態変化に基づくBrain-Computer Interfaceの性能評価 (2023)
  • Author(s): 増尾明, 佐久間拓人, 加藤昇平
  • Journal Title: 作業療法ジャーナル Volume: 57(1) Pages: 89-95
  • Peer Reviewed / Open Access
• [Journal Article] 光トポグラフィーを用いた筋萎縮性側索硬化症患者の脳賦活反応判別-生体信号の時間変動を考慮した意思伝達性能- (2023)
  • Author(s): 増尾明, 佐久間拓人, 加藤昇平
  • Journal Title: 愛知作業療法 Volume: 31 Pages: 10-16
  • Peer Reviewed / Open Access
• [Journal Article] Detection of Physical Frailty Status of Middle-Aged and Elderly People Using Gait Features Based on 3-Axis Acceleration Sensors (2022)
  • Author(s): 中村早希, 増尾明, 竹尾淳, 佐久間拓人, 加藤昇平, 渡邊航平, 川出義浩, 間辺利江, 赤津裕康
  • Journal Title: IEEJ Transactions on Electronics, Information and Systems Volume: 142 Issue: 12 Pages: 1262-1268
  • DOI: 10.1541/ieejeiss.142.1262
  • ISSN: 0385-4221, 1348-8155
  • Year and Date: 2022-12-01
  • Peer Reviewed / Open Access
• [Journal Article] An Emotion Recognition Model Augmented a Small Amount of Individual EEG by Domain Adaptation (2022)
  • Author(s): 古川翔也, 佐久間拓人, 加藤昇平
  • Journal Title: IEEJ Transactions on Electronics, Information and Systems Volume: 142 Issue: 7 Pages: 771-780
  • DOI: 10.1541/ieejeiss.142.771
  • ISSN: 0385-4221, 1348-8155
  • Year and Date: 2022-07-01
  • Peer Reviewed / Open Access
• [Journal Article] Brain state discrimination based on near-infrared spectroscopy of prefrontal cortical region in patients with severe physical impairment (2022)
  • Author(s): Akira Masuo, Nobumi Abe, Takuto Sakuma, Shohei Kato
  • Journal Title: Journal of Nursing Science and Engineering Volume: 10 Issue: 0 Pages: 56-65
  • DOI: 10.24462/jnse.10.0_56
  • ISSN: 2188-4323, 2432-6283
  • Peer Reviewed / Open Access
• [Journal Article] Easy Screening of Rare Dementia Using Speech Analysis During Cognitive Tasks (2021)
  • Author(s): 花井 俊哉, 加藤 昇平, 坂口 巧一, 佐久間 拓人, 大嶽 れい子, 桝田 道人, 渡辺 宏久
  • Journal Title: 電子情報通信学会論文誌D 情報・システム Volume: J104-D Issue: 4 Pages: 198-206
  • DOI: 10.14923/transinfj.2020PDP0018
  • ISSN: 1880-4535, 1881-0225
  • Year and Date: 2021-04-01
  • Peer Reviewed / Open Access
• [Journal Article] Detection of Psychological Stress Using Biosignals during Mental Tasks (2021)
  • Author(s): 加賀 翔大郎, 増尾 明, 佐久間 拓人, 加藤 昇平
  • Journal Title: 電子情報通信学会論文誌D 情報・システム Volume: J104-D Issue: 2 Pages: 151-158
  • DOI: 10.14923/transinfj.2020JDP7059
  • ISSN: 1880-4535, 1881-0225
  • Year and Date: 2021-02-01
  • Peer Reviewed / Open Access
• [Journal Article] 機械学習を用いたDuchenne型筋ジストロフィー患者のスイッチ操作支援-Brain-Computer Interface構築の基礎的検討- (2021)
  • Author(s): 増尾明, 佐久間拓人, 加藤昇平
  • Journal Title: 愛知作業療法 Volume: 29 Pages: 10-15
  • Peer Reviewed
• [Journal Article] Using Sim-To-Real Transfer Learning to Close Gaps Between Simulation and Real Environments Through Reinforcement Learning (2021)
  • Author(s): Yuto Ushida, Hafiyanda Razan, Takuto Sakuma, Shohei Kato
  • Journal Title: Journal of the International Society of Artificial Life and Robotics Volume: 27 Pages: 130-136
  • Peer Reviewed
• [Journal Article] Mathematical Representation of Emotion Using Multimodal Recognition Model with Deep Multitask Learning (2020)
  • Author(s): 原田 誠一, 佐久間 拓人, 加藤 昇平
  • Journal Title: IEEJ Transactions on Electronics, Information and Systems Volume: 140 Issue: 12 Pages: 1343-1351
  • DOI: 10.1541/ieejeiss.140.1343
  • NAID: 130007948759
  • ISSN: 0385-4221, 1348-8155
  • Year and Date: 2020-12-01
  • Peer Reviewed / Open Access
• [Journal Article] Improving Real-Time Brain State Classification of Motor Imagery Tasks During Neurofeedback Training (2020)
  • Author(s): Bagarinao Epifanio、Yoshida Akihiro、Terabe Kazunori、Kato Shohei、Nakai Toshiharu
  • Journal Title: Frontiers in Neuroscience Volume: 14
  • DOI: 10.3389/fnins.2020.00623
  • Peer Reviewed / Open Access
• [Journal Article] Examination of Optimal Mental Task for Brain-computer Interface using Functional Near-infrared Spectroscopy (2020)
  • Author(s): 増尾明, 加賀翔大郎, 加藤昇平
  • Journal Title: Transactions of Japan Society of Kansei Engineering Volume: 19 Issue: 1 Pages: 49-53
  • DOI: 10.5057/jjske.TJSKE-D-19-00034
  • NAID: 130007803294
  • ISSN: 1884-0833, 1884-5258
  • Peer Reviewed / Open Access
• [Journal Article] Dialogue Act Classification Using RNNs Introducing One-Versus-All and Attention Mechanism (2019)
  • Author(s): 泉春乃, 加藤昇平
  • Journal Title: IEEJ Transactions on Electronics, Information and Systems Volume: 139 Issue: 12 Pages: 1407-1414
  • DOI: 10.1541/ieejeiss.139.1407
  • NAID: 130007754552
  • ISSN: 0385-4221, 1348-8155
  • Year and Date: 2019-12-01
  • Peer Reviewed / Open Access
• [Journal Article] The Features of ECG Affected by Mood Change during Imagining the Near Future and a Mental States Estimation Model using the Features (2019)
  • Author(s): 北河茜, 加藤昇平
  • Journal Title: Transactions of Japan Society of Kansei Engineering Volume: 18 Issue: 4 Pages: 255-261
  • DOI: 10.5057/jjske.TJSKE-D-18-00105
  • NAID: 130007697037
  • ISSN: 1884-0833, 1884-5258
  • Peer Reviewed / Open Access
• [Journal Article] HPKI認証の特徴を考慮した在宅医療介護システムにおける患者情報の開示先制御 (2019)
  • Author(s): 竹尾淳, 稲吉陽一朗, 白石善明, 加藤昇平, 矢口隆明, 岩田彰
  • Journal Title: 情報処理学会論文誌 Volume: 60(6) Pages: 1228-1237
  • Peer Reviewed
• [Presentation] Few-label Class-wise Domain Adversarial Neural Networks for EEG Emotion Recognition (2023)
  • Author(s): Shoya Furukawa, Takuto Sakuma, Shohei Kato
  • Organizer: 28th International Symposium on Artificial Life and Robotics (AROB 2023)
  • Int'l Joint Research
• [Presentation] Reinforcement Learning of Coordination with Centralized Critic Using Dual Encoders (2023)
  • Author(s): Yuki Hyodo, Takuto Sakuma, Shohei Kato
  • Organizer: 28th International Symposium on Artificial Life and Robotics (AROB 2023)
  • Int'l Joint Research
• [Presentation] Unsupervised Plant Disease Detection Using Generative Adversarial Networks Utilizing Feature Representation (2023)
  • Author(s): Yoshihisa Kamohara, Takuto Sakuma, Shohei Kato
  • Organizer: 28th International Symposium on Artificial Life and Robotics (AROB 2023)
  • Int'l Joint Research
• [Presentation] Generating Floor Plan with Zoning Method and Adjacency Constraint Considering Characteristic of Japanese Layout (2023)
  • Author(s): Ayaka Sugiura, Takuto Sakuma, Shohei Kato
  • Organizer: 28th International Symposium on Artificial Life and Robotics (AROB 2023)
  • Int'l Joint Research
• [Presentation] Automatic Music Composition Using Interactive Evolutionary Computation Considering Handbell Chord Features (2023)
  • Author(s): Junna Kaigawa, Takuto Sakuma, Shohei Kato
  • Organizer: 28th International Symposium on Artificial Life and Robotics (AROB 2023)
  • Int'l Joint Research
• [Presentation] Binary PSO Introducing L_vy Flight For Optimization of the Storage Layout Assignment Implementing an AGV in Existing Product Placement (2023)
  • Author(s): Minami Watanabe, Koya Ihara．Takuto Sakuma, Shohei Kato
  • Organizer: 28th International Symposium on Artificial Life and Robotics (AROB 2023)
  • Int'l Joint Research
• [Presentation] LiDAR-Theta*: Safe Path Planning Algorithm for Mobile Robots in Partially Observable Environments (2023)
  • Author(s): Shunta Ishizuya, Takuto Sakuma．Shohei Kato
  • Organizer: 28th International Symposium on Artificial Life and Robotics (AROB 2023)
  • Int'l Joint Research
• [Presentation] Audio-Visual Shared Emotion Representation for Robust Emotion Recognition on Modality Missing Using Hemi-hyperspherical Embedding and Latent Space Unification (2022)
  • Author(s): Seiichi Harata, Takuto Sakuma, Shohei Kato
  • Organizer: 24th International Conference on Human-Computer Interaction
  • Int'l Joint Research
• [Presentation] Dementia Screening Based on SVM Using Qualitative Drawing Error of Clock Drawing Test (2022)
  • Author(s): Akira Masuo, Yuki Ito, Tsukasa Kanaiwa, Kosuke Naito, Takuto Sakuma, Shohei Kato
  • Organizer: The 44th Annual International Conference of the IEEE Engineering in Medicine and Biology Society（EMBC 2022）
  • Int'l Joint Research
• [Presentation] Development of a Multiagent based Order Picking Simulator for Optimizing Operations in a Logistics Warehouse (2022)
  • Author(s): Takuto Sakuma, Minami Watanabe, Koya Ihara, Shohei Kato
  • Organizer: International Conference on Industrial Engineering and Other Applications of Applied Intelligent Systems
  • Int'l Joint Research
• [Presentation] Abstracting Teammate With Multi-Agent DDPG Using Dual Encoders (2022)
  • Author(s): Yuki Hyodo, Takuto Sakuma, Shohei Kato
  • Organizer: 2022 IEEE 11th Global Conference on Consumer Electronics (GCCE 2022)
  • Int'l Joint Research
• [Presentation] Plant Disease Detection With Generative Adversarial Networks for Assisting Extension Workers (2022)
  • Author(s): Yoshihisa Kamohara, Takuto Sakuma, Shohei Kato
  • Organizer: 2022 IEEE 11th Global Conference on Consumer Electronics (GCCE 2022)
  • Int'l Joint Research
• [Presentation] Enhancing Social Telepresence on Text Communication Using Robot Avatar that Reflects User's Chatting States (2022)
  • Author(s): Yasutaka Nakamura, Seiichi Harata, Takuto Sakuma, Yoshihiro Tanaka, Yoshihiko Nankaku, Shohei Kato
  • Organizer: 2022 IEEE 11th Global Conference on Consumer Electronics (GCCE 2022)
  • Int'l Joint Research
• [Presentation] LiDAR-Based Safe and Realistic Path Planning in Partially Observable Environments (2022)
  • Author(s): Shunta Ishizuya, Takuto Sakuma, Shohei Kato
  • Organizer: 2022 IEEE 11th Global Conference on Consumer Electronics (GCCE 2022)
  • Int'l Joint Research
• [Presentation] Emotion Recognition Model With Class-wise Domain Adaptation Based on Few-Shot EEG Learning (2022)
  • Author(s): Shoya Furukawa, Takuto Sakuma, Shohei Kato
  • Organizer: 2022 IEEE 11th Global Conference on Consumer Electronics (GCCE 2022)
  • Int'l Joint Research
• [Presentation] Facial Expressions Generating Model Reflecting Agent's Emotion Response Using Facial Landmark Residual Networks (2022)
  • Author(s): Shintaro Kondo, Seiichi Harata, Takuto Sakuma, Shohei Kato
  • Organizer: 2022 IEEE 11th Global Conference on Consumer Electronics (GCCE 2022)
  • Int'l Joint Research
• [Presentation] Introducing an AGV System into the Warehouse and Optimizing Product Placement for Efficient Operation (2022)
  • Author(s): Minami Watanabe, Koya Ihara, Takuto Sakuma, Shohei Kato
  • Organizer: 2022 IEEE 11th Global Conference on Consumer Electronics (GCCE 2022)
  • Int'l Joint Research
• [Presentation] A Production Line Work Schedule Generation System Considering Rest Alternation (2022)
  • Author(s): Kenga Mikami, Koya Ihara, Takuto Sakuma, Shohei Kato
  • Organizer: 2022 IEEE 11th Global Conference on Consumer Electronics (GCCE 2022)
  • Int'l Joint Research
• [Presentation] Drawing Feature Analysis of Clock Drawing Test toward Easy Screening for Dementia (2022)
  • Author(s): Shohei Kato, Akira Masuo, Yuki Ito, Tsukasa Kanaiwa, Kosuke Naito, Takuto Sakuma
  • Organizer: 2022 Japan-Poland International Workshop on Technologies supporting rehabilitation and medical services
  • Int'l Joint Research / Invited
• [Presentation] Learning Cooperative Behavior with Multi-Agent DDPG Using Dual Encoders (2022)
  • Author(s): Yuki Hyodo, Takuto Sakuma, Shohei Kato
  • Organizer: The 17th International Conference on Knowledge Information and Creativity Support Systems (KICSS2022)
  • Int'l Joint Research
• [Presentation] Unsupervised Anomaly Detection for Efficient Plant Disease Diagnosis Using Adversarial Learning (2022)
  • Author(s): Yoshihisa Kamohara, Takuto Sakuma, Shohei Kato
  • Organizer: The 17th International Conference on Knowledge Information and Creativity Support Systems (KICSS2022)
  • Int'l Joint Research
• [Presentation] A Multi-agent System for Modelling Influence Diffusion of Preference Rankings in Social Networks (2022)
  • Author(s): Xiaoxue Liu, Shohei Kato, Wen Gu
  • Organizer: The 17th International Conference on Knowledge Information and Creativity Support Systems (KICSS2022)
  • Int'l Joint Research
• [Presentation] Segmentation of cartilage regions in knee osteoarthritis MR images using TransUNet (2022)
  • Author(s): Wataru Kimura, Takuto Sakuma, Shohei Kato
  • Organizer: The 17th International Conference on Knowledge Information and Creativity Support Systems (KICSS2022)
  • Int'l Joint Research
• [Presentation] Class-wise Domain Adaptation for Few-label EEG Emotion Recognition (2022)
  • Author(s): Shoya Furukawa, Takuto Sakuma, Shohei Kato
  • Organizer: The 17th International Conference on Knowledge Information and Creativity Support Systems (KICSS2022)
  • Int'l Joint Research
• [Presentation] Distributed Reinforcement Learning that Emerges Teamwork between Agents with Different Abilities (2022)
  • Author(s): Yuki Hyodo, Takuto Sakuma, Shohei Kato
  • Organizer: 27th International Symposium on Artificial Life and Robotics (AROB 2022)
  • Int'l Joint Research
• [Presentation] Unsupervised Plant Disease Detection Using Generative Models with Deep Neural Networks (2022)
  • Author(s): Yoshihisa Kamohara, Takuto Sakuma, Shohei Kato
  • Organizer: 27th International Symposium on Artificial Life and Robotics (AROB 2022)
  • Int'l Joint Research
• [Presentation] Personalized Emotion Recognition Model Based on Few-shot EEG Learning: Effect of Domain Adaptation in Emotional Feature Space (2022)
  • Author(s): Shoya Furukawa, Takuto Sakuma, Shohei Kato
  • Organizer: 27th International Symposium on Artificial Life and Robotics (AROB 2022)
  • Int'l Joint Research
• [Presentation] Tennis Swing Form Evaluation Based on Swing Characteristics Related with Skillfulness Using Accelerometer and Gyroscopes (2022)
  • Author(s): Shuto Ohshima, Shohei Kato, Takuto Sakuma
  • Organizer: 27th International Symposium on Artificial Life and Robotics (AROB 2022)
  • Int'l Joint Research
• [Presentation] Comparison of Loss Functions in Contrastive Learning for Latent Space Unification and Emotion Recognition on Multimodal Deep Learning (2022)
  • Author(s): Seiichi Harata, Takuto Sakuma, Shohei Kato
  • Organizer: 27th International Symposium on Artificial Life and Robotics (AROB 2022)
  • Int'l Joint Research
• [Presentation] A Dementia Classification Based on Speech Analysis of Casual Talk During a Clinical Interview (2022)
  • Author(s): Shunya Hanai, Shohei Kato, Takuto Sakuma, Reiko Ohdake, Michihito Masuda, Hirohisa Watanabe
  • Organizer: 27th International Symposium on Artificial Life and Robotics (AROB 2022)
  • Int'l Joint Research
• [Presentation] A Novel Sampling Method with L_vy Flight for Distribution-Based Discrete Particle Swarm Optimization (2021)
  • Author(s): Koya Ihara, Shohei Kato
  • Organizer: IEEE Congress on Evolutionary Computation (IEEE CEC 2021)
  • Int'l Joint Research
• [Presentation] Omnidirectional Mobile Robot Path Finding Using Deep Deterministic Policy Gradient for Real Robot Control (2021)
  • Author(s): Yuto Ushida, Hafiyanda Razan, Takuto Sakuma, Shohei Kato
  • Organizer: 2021 IEEE 10th Global Conference on Consumer Electronics (GCCE 2021)
  • Int'l Joint Research
• [Presentation] Reinforcement Learning That Emerges Teamwork in Heterogeneous Multi-Agent Environment (2021)
  • Author(s): Yuki Hyodo, Takuto Sakuma, Shohei Kato
  • Organizer: 2021 IEEE 10th Global Conference on Consumer Electronics (GCCE 2021)
  • Int'l Joint Research
• [Presentation] Emotion Recognition with Domain Adaptation Based on Few-Shot EEG Learning (2021)
  • Author(s): Shoya Furukawa, Takuto Sakuma, Shohei Kato
  • Organizer: 2021 IEEE 10th Global Conference on Consumer Electronics (GCCE 2021)
  • Int'l Joint Research
• [Presentation] Acquisition of lip-sync expressions using transfer learning for text-to-speech emotional expression agents (2021)
  • Author(s): Shintaro Kondo, Seiichi Harata, Takuto Sakuma, Shohei Kato
  • Organizer: 2021 IEEE 10th Global Conference on Consumer Electronics (GCCE 2021)
  • Int'l Joint Research
• [Presentation] Initialization Effects for PSO Based Storage Assignment Optimization (2021)
  • Author(s): Minami Watanabe, Koya Ihara, Takuto Sakuma, Shohei Kato
  • Organizer: 2021 IEEE 10th Global Conference on Consumer Electronics (GCCE 2021)
  • Int'l Joint Research
• [Presentation] SUGO-MIMI: A Waggle Ear-Type Device Linked to Eyebrows (2021)
  • Author(s): Shoko Kimura, Ayaka Fujii, Seiichi Harata, TakutoSakuma, Shohei Kato
  • Organizer: 9th International Conference on Affective Computing & Intelligent Interaction (ACII 2021)
  • Int'l Joint Research
• [Presentation] Influential Online Forum User Detection Based on User Contribution and Relevance (2021)
  • Author(s): Wen Gu, Shohei Kato, Fenghui Ren, Guoxin Su and Takayuki Ito
  • Organizer: The 5th IEEE International Conference on Agents (IEEE ICA 2021)
  • Int'l Joint Research
• [Presentation] Cooperative Coevolutionary PSO Based Segment Assignment in Shield Tunneling (2021)
  • Author(s): Koya Ihara, Shohei Kato, Hiroichi Masuda, Yasuyuki Singu
  • Organizer: The 1st International Workshop on Heuristic Search in Industry in conjunction with the 29th IJCAI Conference on Artificial Intelligence
  • Int'l Joint Research
• [Presentation] Sim-to-Real Transfer Learning to Close Gaps Between Simulation and Real Environments using Q-learning algorithm (2021)
  • Author(s): Yuto Ushida, Shunta Ishizuya, Hafiyanda Razan, Takuto Sakuma, Shohei Kato
  • Organizer: International Symposium on Artificial Life and Robotics
  • Int'l Joint Research
• [Presentation] Speech-Based Dementia Classification for FTLD Diagnosis Support (2021)
  • Author(s): Shunya Hanai, Shohei Kato, Koichi Sakaguchi, Takuto Sakuma, Reiko Ohdake, Michihito Masuda, Hirohisa Watanabe
  • Organizer: The 2021 IEEE 3rd Global Conference on Life Sciences and Technologies (LifeTech 2021)
  • Int'l Joint Research
• [Presentation] Cooperative Coevolutionary Genetic Algorithm Using Hierarchical Clustering of Linkage Tree (2020)
  • Author(s): Takatoshi Niwa, Koya Ihara, Shohei Kato
  • Organizer: The Genetic and Evolutionary Computation Conference (GECCO2020)
  • Int'l Joint Research
• [Presentation] Policy Transfer from Simulation to Real World for Autonomous Control of an Omni Wheel Robot (2020)
  • Author(s): Yuto Ushida, Hafiyanda Razan, Takuto Sakuma, Shohei Kato
  • Organizer: 2020 IEEE 9th Global Conference on Consumer Electronics (GCCE 2020)
  • Int'l Joint Research
• [Presentation] Group Working Differential Evolution (2020)
  • Author(s): Takatoshi Niwa, Koya Ihara, Shohei Kato
  • Organizer: 2020 IEEE 9th Global Conference on Consumer Electronics (GCCE 2020)
  • Int'l Joint Research
• [Presentation] Correlation Analysis Between Tennis Swing Features and Tennis Skillfulness Using Six-Axis Sensor (2020)
  • Author(s): Shuto Ohshima, Shohei Kato, Takuto Sakuma
  • Organizer: 2020 IEEE 9th Global Conference on Consumer Electronics (GCCE 2020)
  • Int'l Joint Research
• [Presentation] Easy Detection of Rare Dementia Based on Speech Analysis (2020)
  • Author(s): Shunya Hanai, Shohei Kato, Koichi Sakaguchi, Takuto Sakuma, Reiko Ohdake, Michihito Masuda, Hirohisa Watanabe
  • Organizer: 2020 IEEE 9th Global Conference on Consumer Electronics (GCCE 2020)
  • Int'l Joint Research
• [Presentation] Emotional Space by Combining Recognition and Unification Tasks Using Multimodal DNN (2020)
  • Author(s): Seiichi Harata, Takuto Sakuma, Shohei Kato
  • Organizer: 2020 IEEE 9th Global Conference on Consumer Electronics (GCCE 2020)
  • Int'l Joint Research
• [Presentation] L_vy Flight for Distribution-Based Discrete Particle Swarm Optimization (2020)
  • Author(s): Koya Ihara, Shohei Kato
  • Organizer: 2020 IEEE 9th Global Conference on Consumer Electronics (GCCE 2020)
  • Int'l Joint Research
• [Presentation] Toward Mathematical Representation of Emotion: A Deep Multitask Learning Method Based On Multimodal Recognition (2020)
  • Author(s): Seiichi Harata Takuto Sakuma Shohei Kato
  • Organizer: 2020 International Conference on Multimodal Interaction,
  • Int'l Joint Research
• [Presentation] Improving Distribution-Based Discrete Particle Swarm Optimization Using L_vy Flight (2020)
  • Author(s): Koya Ihara, Shohei Kato
  • Organizer: The 33rd Australasian Joint Conference on Artificial Intelligence
  • Int'l Joint Research
• [Presentation] 発話音響特徴のアンサンブル学習による認知症希少疾患の簡易検出 (2020)
  • Author(s): 花井 俊哉, 加藤 昇平, 坂口 巧一, 佐久間 拓人, 大嶽 れい子, 桝田 道人, 渡辺 宏久
  • Organizer: 第３４回人工知能学会全国大会
• [Presentation] L vy Flight for Distribution-Based Discrete Particle Swarm Optimization (2020)
  • Author(s): Koya Ihara, Shohei Kato
  • Organizer: 2020 IEEE 9th Global Conference on Consumer Electronics (GCCE 2020)
  • Int'l Joint Research
• [Presentation] Improving Distribution-Based Discrete Particle Swarm Optimization Using L vy Flight (2020)
  • Author(s): Koya Ihara, Shohei Kato
  • Organizer: The 33rd Australasian Joint Conference on Artificial Intelligence
  • Int'l Joint Research
• [Presentation] Research of Kato Laboratory - AI Tehnology-Based Dementia Screening from Elderly Speech (2019)
  • Author(s): Shohei Kato
  • Organizer: 2019 Japan-Poland International Workshop on Technologies supporting rehabilitation and medical services
  • Int'l Joint Research / Invited
• [Presentation] Classification of FTLD/ALS/AD Using Speech Analysis During Cognitive Tasks (2019)
  • Author(s): Shohei Kato
  • Organizer: BrainConnects 2019
  • Int'l Joint Research / Invited
• [Presentation] AIとロボティクスで社会の諸問題に挑む - トンネル工事から健康長寿の実現まで (2019)
  • Author(s): 加藤昇平
  • Organizer: 第34回岐阜県老健大会
  • Invited
• [Presentation] 発話音声の音響的特徴に着目したFTLD簡易鑑別モデルの検討 (2019)
  • Author(s): 花井俊哉, 加藤昇平, 坂口巧一, 佐久間拓人, 大嶽れい子, 桝田道人, 渡辺宏久
  • Organizer: 第17回情報学ワークショップ
• [Presentation] 復唱・音読音声を用いたFTLD及びALS検出モデルの検討 (2019)
  • Author(s): 坂口巧一, 加藤昇平, 花井俊哉, 佐久間拓斗, 大嶽れい子, 桝田直人, 渡辺宏久
  • Organizer: 第17回情報学ワークショップ
• [Presentation] 発話音声の音響的特徴を用いた認知症疾患分類モデル (2019)
  • Author(s): 花井俊哉, 加藤昇平, 坂口巧一, 佐久間拓人, 大嶽れい子, 桝田道人, 渡辺宏久
  • Organizer: 電子情報通信学会 福祉情報工学研究会
• [Presentation] 認知課題遂行時発話音声解析を用いた認知症疾患分類モデルの検討 FTLDの簡易スクリーニングを目指して (2019)
  • Author(s): 花井俊哉, 加藤昇平, 坂口巧一, 佐久間拓人, 大嶽れい子, 桝田道人, 渡辺宏久
  • Organizer: 令和元年度電気・電子・情報関係学会東海支部連合大会
• [Presentation] Dialogue Acts Classification via RNNs with One-Versus-All Layers Considering Rare Utterances (2019)
  • Author(s): Haruno Izumi, Shohei Kato
  • Organizer: IEEE 8th Global Conference on Consumer Electronics (GCCE2019)
  • Int'l Joint Research
• [Presentation] Group Working Just Generation Gap with Problem Redivision (2019)
  • Author(s): Takatoshi Niwa, Koya Ihara, Shohei Kato
  • Organizer: The Genetic and Evolutionary Computation Conference (GECCO2019)
  • Int'l Joint Research
• [Presentation] Discrimination of brain activity using near-infrared spectroscopy signal change in prefrontal cortex during mental arithmetic task (2019)
  • Author(s): Akira Masuo, Shotaro Kaga, Shohei Kato
  • Organizer: IEEE 8th Global Conference on Consumer Electronics (GCCE2019)
  • Int'l Joint Research
• [Presentation] A Group Work Inspired Generation Alternation Model of Real-Coded GA (2019)
  • Author(s): Takatoshi Niwa, Koya Ihara, Shohei Kato
  • Organizer: IEEE 8th Global Conference on Consumer Electronics (GCCE2019)
  • Int'l Joint Research
• [Presentation] Multi-ROI 3D-CNNs: a Generalized Discriminator of Motor Imagery from a Functional Brain Image (2019)
  • Author(s): Tomofumi Nakano, Shohei Kato, Epifanio Bagarinao, Akihiro Yoshida, Mika Ueno, Toshiharu Nakai
  • Organizer: 2019 Annual Meeting of the Organization for Human Brain Mapping (OHBM2019)
  • Int'l Joint Research
• [Remarks] 加藤昇平研究室Webページ
  • URL: https://www.katolab.nitech.ac.jp