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  • Summary & Details

Human-State Estimation Using HRV–Endocrine Synchronization for Mental and Physical Stress Classification

HRVと内分泌系指標の同期化による精神・身体ストレス分類を用いた車室内ヒト状態推定

Detailed Information

Author(J)1) 西 雅章, 2) 和泉 慎太郎, 3) 谷口 信人, 4) 野田 悠斗, 5) 椎野 俊秀, 6) 野口 恭史
Author(E)1) Masaaki Nishi, 2) Shintaro Izumi, 3) Nobuhito Taniguchi, 4) Yuto Noda, 5) Toshihide Shiino, 6) Yasushi Noguchi
Affiliation(J)1) 本田技術研究所, 2) 神戸大学, 3) 神戸大学, 4) 神戸大学, 5) 本田技術研究所, 6) 本田技術研究所
Affiliation(E)1) Honda R&D, 2) Kobe University, 3) Kobe University, 4) Kobe University, 5) Honda R&D, 6) Honda R&D
Abstract(J)車室内で乗員のストレスや快・不快を推定するため,心拍変動と内分泌系変動の関係に着目し,唾液採取時刻を基準に過去の心拍変動解析窓をオフセット探索して同期化した.さらに,CNN(畳み込みニューラルネットワーク)推定モデルを用いてホルモン変動を推定し,精神・身体ストレス分類への有効性を示した.

Translation

Abstract(E)To estimate occupants’ stress and comfort/discomfort states in a vehicle cabin, this study focused on the relationship between heart rate variability (HRV) and endocrine responses. HRV analysis windows were shifted backward from each saliva sampling time to synchronize continuous HRV features with delayed salivary hormone changes. A convolutional neural network (CNN) -based estimation model was then used to predict hormone dynamics, enabling successful classification of mental and physical stress states.

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