To realize a biological information acquisition device and biological information acquisition method that can improve the acquisition accuracy of biological information.SOLUTION: A biological information acquisition device includes: non-contact type observation sensors (first observation sensor 2_1 and second observation sensor 2_2) that detect displacements of multiple portions of a biological information acquisition object; a reference sensor 3 that detects vibrations in the environment where at least the biological information acquisition object exists; and a signal processing unit 6 that generates a time-frequency mask from a reference signal acquired by the reference sensor 3 and generates a separation signal obtained by separating vibration components from observation signals acquired by the observation sensors (first observation sensor 2_1 and second observation sensor 2_2) on the basis of the time-frequency mask.SELECTED DRAWING: Figure 1
【課題】生体情報の取得精度を向上することができる生体情報取得装置、及び生体情報取得方法を実現する。【解決手段】生体情報取得対象の複数の部位の変位を検知する非接触型の観測センサ(第1観測センサ2_1、第2観測センサ2_2)と、少なくとも生体情報取得対象が存在する環境の振動を検知する参照センサ3と、参照センサ3により取得される参照信号から時間周波数マスクを生成し、当該時間周波数マスクに基づき、観測センサ(第1観測センサ2_1、第2観測センサ2_2)により取得される観測信号から振動成分を分離した分離信号を生成する信号処理部6と、を備える。【選択図】図1
BIOLOGICAL INFORMATION ACQUISITION DEVICE AND BIOLOGICAL INFORMATION ACQUISITION METHOD
生体情報取得装置、及び生体情報取得方法
2025-01-30
Patent
Electronic Resource
Japanese
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