[問題] 請問"我的心跳"的原理已回收
剛剛看到一個軟體:
叫做:"我的心跳",除了IOS版本的也有ANDROID版的。
https://itunes.apple.com/cn/app/wo-de-xin-tiao/id513840650?mt=8
以前看到這類app都是靠鏡頭感應指尖脈搏的波動,
但這個app是看人臉就可以判讀心跳速率,而且我測試還蠻準的,也不會被照片欺騙。
請問有人知道這是用甚麼原理測的嗎?
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