Teaching computers to recognize.

The article presents information on sophisticated approaches in image processing for facial recognition. Organizations involved with government antiterrorism and corporate security want to recognize people using biometrics of some sort. Facial recognition typically involves several tasks. Verification checks that a sample matches a reference, such as whether a traveler's face matches his passport photo. Identification compares a sample to a number of references to look for a match. From a 2-D image, a morphable model estimates the shape of a face.