From where did they obtain your or my "heart signature"? What about gait, etc.? | Hacker News

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		johnisgood on Sept 1, 2024 \| parent \| context \| favorite \| on: Did your car witness a crime? Bay Area police may ... From where did they obtain your or my "heart signature"? What about gait, etc.?

fasa99 on Sept 4, 2024 [–]

you can pull a heart rate from color amplification, same basic idea as motion amplification.

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