Columbia subject headings:
Biometric identification--Congresses.
Face perception--Congresses.
Identification--Automation--Congresses.
Image processing--Digital techniques--Congresses.
Optical pattern recognition--Congresses.
Harvard subject headings:
Biometric identification--Congresses
Face perception--Congresses.
Identification--Automation--Congresses.
Image processing--Digital techniques--Congresses
Optical pattern recognition--Congresses
Princeton subject headings: