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 Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

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 Brother
Cory Doctorow