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Shadow analysis could spot terrorists by their walk

作者:轩辕入恒    发布时间:2019-03-02 01:02:02    

Nearly seven years after Osama Bin Laden disappeared, US intelligence agencies are still chasing his shadow. And shadows are precisely what they should be looking for, says NASA’s Jet Propulsion Laboratory in Pasadena, California. By analysing the movements of human shadows in aerial and satellite footage, JPL engineer Adrian Stoica says it should be possible to identify people from the way they walk – a technique called gait analysis, whose power lies in the fact that a person’s walking style is very hard to disguise. Video taken from above shows only people’s heads and shoulders,

 

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