Elli Angelopoulou und University Person-Info 

( Ich bin Elli Angelopoulou)
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Headlines@Hopkins: Johns Hopkins University News Releases

Using three lights, a video camera and a computer, researcher Elli Angelopoulou has devised a new way to transform visual images into electronic "signatures." Each is a distinctive series of 11 numbers. By comparing these signatures, a computer can tell how closely two objects resemble one another.