automatic face recognition is a noun meaning "biometric identification by scanning a person's face and matching it against a library of known faces". It carries one recorded sense.
biometric identification by scanning a person's face and matching it against a library of known faces
“they used face recognition to spot known terrorists”
terrorism
Definitions, synonyms and semantic relations for automatic face recognition come from Princeton University’s WordNet. Commonness is measured against a corpus of everyday English. Full sources and licences.