KAKEN — Research Projects | Researcher Number: 10323057

Search Results: 14 results / Researcher Number: 10323057

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1. 映像による血管調節機能の非接触計測と心血管調節モデルを仮定した自律神経機能評価

Research Project

Research Category	Grant-in-Aid for Scientific Research (C)
Review Section	Basic Section 61060:Kansei informatics-related
Research Institution	Fukushima University
Principal Investigator	田中明福島大学, 共生システム理工学類, 教授
Project Period (FY)	2024-04-01 – 2027-03-31Granted
Keywords	映像脈波 / 脈波伝播速度 / 自律神経解析
Outline of Research at the Start	映像中の皮膚の色変化から脈波成分（映像脈波）が抽出可能であり，そこから心拍数や脈波伝播時間などの生理指標を得る手法が提案されている．本研究では，映像脈波が非接触かつ多点同時計測可能であるという特徴を積極的に活かし，心拍変動だけでなく血管調節の動的な変化も同時に評価する方法を開発するとともに，両指標の ...

2. Development of Video Pulse Wave Extraction Method and Evaluation of Blood Pressure and Vascular Characteristics by Video Plethysmography

Research Project

Research Category	Grant-in-Aid for Scientific Research (C)
Review Section	Basic Section 90110:Biomedical engineering-related
Research Institution	Fukushima University
Principal Investigator	Tanaka Akira 福島大学, 共生システム理工学類, 教授
Project Period (FY)	2020-04-01 – 2023-03-31Completed
Keywords	映像脈波 / カフレス血圧推定 / 血行動態解析 / 非接触血圧推定 / 脈波伝播速度 / 血圧推定 / 周期成分分析 / 脈波伝播 / 心拍変動解析
Outline of Research at the Start	映像中の皮膚の色変化の解析によって脈波成分（映像脈波）が抽出可能であり，そこから心拍数や脈波伝播時間などの生理指標を得る手法が提案されている．本研究では，接触式センサに迫る精度での脈波抽出法の開発，多点計測を活かした瞬時心拍数の精度の向上，映像脈波の利点を活かした血行動態指標の創出を目的とする．さら ...
Outline of Final Research Achievements	In this study, we proposed a new method to calculate the video pulse wave by repeatedly applying periodic component analysis (PiCA) and updating the h ...

Research Products of this project	Journal Article (3 results, of which Peer Reviewed: 2 results) Presentation (8 results, of which Int'l Joint Research: 3 results, Invited: 3 results) Patent(Industrial Property Rights) (1 results)

3. Inconvenient truth of autonomous driving--Automatic detection and prevention of driver's motion sickness

Research Project

Research Category	Grant-in-Aid for Scientific Research (B)
Review Section	Basic Section 61060:Kansei informatics-related
Research Institution	Tohoku University
Principal Investigator	Yoshizawa Makoto 東北大学, サイバーサイエンスセンター, 学術研究員
Project Period (FY)	2020-04-01 – 2024-03-31Completed
Keywords	自動運転 / 乗り物酔い / 交通事故 / モーションベース / 不完全自動運転 / 前庭感覚 / 映像脈波 / Mayer波 / シミュレータ / 動揺病 / 乗り物酔い防止 / 能動性 / 臨場感 / HMD
Outline of Research at the Start	不完全な自動運転は，運転者の乗り物酔いのリスクを高める可能性があるため，交通事故を誘発する恐れがある．そこで本研究では，不完全な自動運転中の運転者の乗り物酔いの発症条件の解明とそれに伴う交通事故との因果関係を明らかにするとともに，乗り物酔いを低減する自動車に具備すべき具体的手段を得るために，次を行う ...
Outline of Final Research Achievements	In incompletely automated driving states, where fully automated driving and manual driving are mixed, the driver is placed in an environment similar t ...

Research Products of this project	Journal Article (7 results, of which Int'l Joint Research: 2 results, Peer Reviewed: 6 results, Open Access: 5 results) Presentation (6 results, of which Int'l Joint Research: 5 results, Invited: 1 results) Book (2 results)

4. Verification of role-sharing hypothesis of circulatory control and its application to health monitoring using sensors for video games

Research Project

Research Category	Grant-in-Aid for Challenging Exploratory Research
Research Field	Applied health science
Research Institution	Tohoku University
Principal Investigator	YOSHIZAWA Makoto 東北大学, サイバーサイエンスセンター, 教授
Project Period (FY)	2012-04-01 – 2015-03-31Completed
Keywords	自律神経 / 循環制御系 / 脈波伝搬時間 / 脈波 / αインデックス / CVRR / μPA / 加齢変化 / 自律神経機能 / 光電容積脈波 / 血圧反射機能 / ρmax / 相互相関係数 / コヒーレンス関数 / 伝達関数
Outline of Final Research Achievements	This study aimed at developing an estimation system of the baroreflex function, which can be used in daily life using the photoplethysmogram based on ...

Research Products of this project	Journal Article (4 results, of which Peer Reviewed: 4 results, Acknowledgement Compliant: 1 results) Presentation (3 results, of which Invited: 1 results) Book (2 results) Patent(Industrial Property Rights) (3 results, of which Overseas: 2 results)

5. Risk Determination of Artificial Stereoscopic Vision Based on Searching for Onset Condition of 3D Sickness

Research Project

Research Category	Grant-in-Aid for Scientific Research (B)
Research Field	Media informatics/Database
Research Institution	Tohoku University
Principal Investigator	Yoshizawa Makoto 東北大学, サイバーサイエンスセンター, 教授
Project Period (FY)	2012-04-01 – 2016-03-31Completed
Keywords	３D酔い / 立体視 / 眼精疲労 / 臨場感 / 生体影響 / 自律神経 / 映像酔い / 生体安全性 / 主観評価 / 3D酔い / 垂直視差 / 輻輳調節 / 焦点調節 / 融像限界
Outline of Final Research Achievements	Three dimensional visualization in movies, televisions and video games has been advancing rapidly. However, physiological and psychological effects of ...

Research Products of this project	Journal Article (6 results, of which Peer Reviewed: 5 results) Presentation (10 results, of which Int'l Joint Research: 3 results, Invited: 3 results) Book (2 results) Patent(Industrial Property Rights) (2 results, of which Overseas: 1 results)

6. The evaluation method for the effect of the various unnatural video components on viewers using physiological indices.

Research Project

Research Category	Grant-in-Aid for Scientific Research (C)
Research Field	Media informatics/Database
Research Institution	Fukushima University
Principal Investigator	TANAKA Akira 福島大学, 共生システム理工学類, 准教授
Project Period (FY)	2011 – 2013Completed
Keywords	ユーザビリティ / 自律神経解析 / 動揺病 / モデル同定 / 映像酔い / 非線形モデル / 立体映像 / 末梢血管抵抗 / 非接触計測
Research Abstract	The aim of this study was to develop the evaluation method for the effect of the various unnatural video components such as excessive motion on viewer ...

Research Products of this project	Journal Article (4 results, of which Peer Reviewed: 1 results) Presentation (6 results) Patent(Industrial Property Rights) (1 results)

7. 自己心の状態および治療を考慮した補助人工心臓制御システムの開発

Research Project

Research Category	Grant-in-Aid for Young Scientists (B)
Research Field	Biomedical engineering/Biological material science
Research Institution	Fukushima University
Principal Investigator	田中明 Fukushima University
Project Period (FY)	2006 – 2007Completed
Keywords	人工心臓 / 制御工学 / 生物・生体工学 / モデル化 / モニタリング / 心機能推定
Research Abstract	本年度は,1)監視システムの構築,2)心機能推定法の評価,3)シミュレーションによる制御法の評価を中心に行った.

Research Products of this project	Journal Article (4 results, of which Peer Reviewed: 2 results) Presentation (4 results)

8. バーチャル・サイクリングチェアを用いた高次脳機能障害検査システムの開発

Research Project

Research Category	Grant-in-Aid for Exploratory Research
Research Field	Neurology
Research Institution	Tohoku University
Principal Investigator	吉澤誠 Tohoku University
Project Period (FY)	2006 – 2007Completed
Keywords	バーチャル・サイクリングチェア / 高次脳機能障害 / 脳卒中 / 片麻痺 / 心拍数 / 血圧 / 脈波伝播時間 / ウォーミングアップ
Research Abstract	足で漕ぐ方式の新しい車椅子であるサイクリングチェアは,片麻痺患者を対象とする場合,健常側の片足による駆動にも関わらず,手漕ぎ式車椅子に比較してその走行能力が格段に向上することが明らかとなっている.また,脳機能障害者で介助者なしでは自立歩行ができない患者であっても,安全な環境においてサイクリングチェア ...

Research Products of this project	Journal Article (3 results, of which Peer Reviewed: 1 results) Presentation (1 results) Book (1 results)

9. Clinical evaluation of a noninvasive estimation system for cardiac function

Research Project

Research Category	Grant-in-Aid for Scientific Research (B)
Research Field	Medical systems
Research Institution	Tohoku University
Principal Investigator	YOSHIZAWA Makoto Tohoku University
Project Period (FY)	2006 – 2008Completed
Keywords	Emax / 最大エラスタンス / 非侵襲的推定 / 最適制御 / 心機能 / 補助人工心臓 / 左心室 / パラメータ最適化法 / 一拍内推定法
Research Abstract	補助人工心臓装着患者の心機能推定は人工心臓離脱時期決定に重要である. 本研究では, われわれが提案した1拍内だけの情報に基づいて心機能の指標であるE_<max>を推定する方法であるパラメ-タ最適化法が, 補助人工心臓装着時循環系における心機能推定に対しても有効かどうかを検討した. ヤギを用いた動物実 ...

Research Products of this project	Journal Article (14 results, of which Peer Reviewed: 6 results) Presentation (10 results) Book (3 results) Remarks (1 results) Patent(Industrial Property Rights) (1 results)

10. Development of Noninvasive Estimation system of Maximum Ventricular Elastance Emax for Clinical Application

Research Project

Research Category	Grant-in-Aid for Scientific Research (C)
Research Field	Biomedical engineering/Biological material science
Research Institution	Tohoku University
Principal Investigator	YOSHIZAWA Makoto Tohoku University, Information Synergy Center, Prof.
Project Period (FY)	2002 – 2003Completed
Keywords	Emax / estimation of cardiac function / aortic flow / cardiac catheter test / radial arterial pressure / linear elastance method / parameter optimization method / ARX model
Research Abstract	The maximum ventricular elastance (Emax) is a good quantitative index for evaluating cardiac pump function. To extensively promote clinical applicatio ...

Research Products of this project	Publications (20 results)

11. 超音波リニアモータを使用した完全埋め込み型人工心臓の開発に関する研究

Research Project

Research Category	Grant-in-Aid for Young Scientists (B)
Research Field	Biomedical engineering/Biological material science
Research Institution	Tohoku University
Principal Investigator	田中明東北大学, 大学院・工学研究科, 助手
Project Period (FY)	2001 – 2002Completed
Keywords	人工心臓 / システム同定 / 循環制御 / 差圧・流量推定
Research Abstract	本年度は超音波モータを使用した人工心臓システムの構築の基礎的研究として,1)超音波モータの基本特性の調査およびいくつかのデザインの検討,2)心房の吸着防止を含む循環制御アルゴリズムの構築,3)供給電力およびモータ回転数による差圧・流量推定アルゴリズムの構築の3つを行った.

Research Products of this project	Publications (10 results)

12. Self-Organization of Hierarchical Reinforcement Learning System

Research Project

Research Category	Grant-in-Aid for Scientific Research (C)
Research Field	Control engineering
Research Institution	Tohoku University
Principal Investigator	ABE Kenichi Tohoku University, Graduate School of Engineering, Professor
Project Period (FY)	2001 – 2002Completed
Keywords	Reinforcement Learning / Partially Observable Markovian Environment / Q-Learning / Hierarchical Q-Learning / Learning Automaton / Swiching Q-Learning / Labeling Q-Learning / Neural Network
Research Abstract	Previously, we proposed two learning algorithms, Labeling Q-learning(LQ-learning) and Switching Q-learning(SQ-learning). Although the former is the al ...

Research Products of this project	Publications (42 results)

13. Development of a physiologically effective control system for an artificial heart based on autonomic nerve activity

Research Project

Research Category	Grant-in-Aid for Scientific Research (A)
Research Field	Biomedical engineering/Biological material science
Research Institution	Tohoku University
Principal Investigator	NITTA Shin-ichi Tohoku University, Aging and Cancer, Guest Professor
Project Period (FY)	2000 – 2003Completed
Keywords	vagal nerve activity / autonomic nerve / artificial heart / control / awake
Research Abstract	In recent years, the application of Ventricular Assist Devices (VAD) has been gradually expanded due to the lack of heart donors and increasing morbid ...

Research Products of this project	Publications (17 results)

14. Control of Aging by the use of Artificial Organs

Research Project

Research Category	Grant-in-Aid for Scientific Research (B)
Research Field	Biomedical engineering/Biological material science
Research Institution	Tohoku university
Principal Investigator	YAMBE Tomoyuki Institute of Development Aging and Cancer associate professor
Project Period (FY)	1999 – 2002Completed
Keywords	Aging / Chaos control / Total artificial heart / Chaos / Fractal / Automatic control / Fluctuations / 1 / f
Research Abstract	Since an aging society comes unescapable, we cope with various diseases by the Aging, and have the necessity of aiming at the society where healthy el ...

Research Products of this project	Publications (39 results)