face recognition
noun
the ability of a computer to scan, store, and recognize human faces for use in identifying people
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
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Examples from the Web for face recognition
Historical Examples of face recognition
Like I said, they'd started out as face-recognition cameras, but those had been ruled unconstitutional.
Little BrotherCory Doctorow