To determine a subject's awakening decline tendency at an early stage before awakening decline progresses.SOLUTION: An awakening decline detector according to an embodiment comprises: an acquisition part 12 that acquires time-series data on a cardiac rate; a first determination part 18 that determines whether or not first deviation sd1 representing fluctuations in the cardiac rate during a first period TA exceeds a first threshold; and a second determination part 19 that outputs information indicating awakening decline, in the case where the number of times the first deviation sd1 exceeds the first threshold is a second threshold or above, during a second period PC longer than the first period PA.SELECTED DRAWING: Figure 1
【課題】覚醒低下が進行する手前の初期の段階で、被験者の覚醒低下傾向を判定する。【解決手段】 実施形態による覚醒低下装置は、心拍数の時系列データを取得する取得部12と、第1期間TAにおける心拍数の変動を示す第1偏差sd1が第1しきい値を超えたか否かを判定する第1判定部18と、第1期間PAよりも長い第2期間PCにおいて、第1偏差sd1が第1しきい値を超えた回数が第2しきい値以上である場合に、覚醒低下を示す情報を出力する第2判定部19と、備える。【選択図】 図1
AWAKENING DECLINE DETECTOR, AWAKENING DECLINE DETECTION METHOD AND COMPUTER PROGRAM
覚醒低下検出装置、覚醒低下検出方法およびコンピュータプログラム
20.09.2024
Patent
Elektronische Ressource
Japanisch
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