Living body detection method and device thereof, medium and computer program product

The invention discloses a living body detection method and a device thereof, a medium and a computer program product. The living body detection method comprises the following steps: receiving an echo signal generated by a to-be-detected target based on a sound wave signal; extracting a vibration signal in a preset living body sign signal frequency band from the echo signal, and judging whether the vibration signal is a living body sign signal or not to obtain a signal judgment result; and detecting whether the to-be-detected target is a living body or not based on the signal discrimination result. The technical problem of living body detection accuracy during face recognition is solved. 本申请公开了一种活体检测方法、设备、介质及计算机程序产品，所述活体检测方法包括：接收待检测目标基于声波信号产生的回波信号；在所述回波信号中提取处于预设活体体征信号频段的振动信号，并判别所述振动信号是否为活体体征信号，获得信号判别结果；基于所述信号判别结果，检测所述待检测目标是否为活体。本申请解决了进行人脸识别时活体检测准确度的技术问题。