Biometric identification. Ultrasonic systems can succeed where optical systems may not.
Pierce
Frank S
FS
Ultra-Scan Corp., Amherst, N.Y., USA.
D001699:Biometry / Q000295:instrumentation*; D003878:Dermatoglyphics; D006801:Humans; D007091:Image Processing, Computer-Assisted; D010355:Patient Identification Systems; D015203:Reproducibility of Results; D012637:Security Measures; D018511:Systems Integration; D014463:Ultrasonography