automatic face recognition vs face recognition

automatic face recognition and face recognition both are nouns.

Word	Noun	Adjective	Verb	Adverb
automatic face recognition	Yes	No	No	No
face recognition	Yes	No	No	No

As nouns, automatic face recognition and face recognition are synonyms defined as:

automatic face recognition and face recognition: biometric identification by scanning a person's face and matching it against a library of known faces

Other synonyms of automatic face recognition include facial recognition.

automatic face recognition (noun)	face recognition (noun)
biometric identification by scanning a person's face and matching it against a library of known faces	the visual perception of familiar faces
	biometric identification by scanning a person's face and matching it against a library of known faces