Chih-Hsin Lin,Ren-Hau Gu,Chien-Lung Liao,Yi-Fang Lee
申请号：
US15973553
公开号：
US20190347786A1
申请日:
2018.05.08
申请国别(地区):
US
年份:
2019
代理人:
摘要：
A method of living body detection includes: capturing a plurality of images of an object under test by using an image sensor； calculating variations of brightness values of pixel units of the plurality of images； and, determining whether the object under test is a living body according to the variations.
