1.  face recognition(n = noun.communication) automatic face recognition, facial recognition - 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"
is a kind of biometric authentication, biometric identification, identity verification

2.  face recognition(n = noun.cognition) - the visual perception of familiar faces;
is a kind of beholding, seeing, visual perception

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