What is Biometric Face Recognition?
Biometric face recognition works by using a computer to analyze a subject’s facial structure. Face recognition software takes a number of points and measurements, including the distances between key characteristics such as eyes, nose and mouth, angles of key features such as the jaw and forehead, and lengths of various portions of the face. Using all of this information, the program creates a unique template incorporating all of the numerical data. This template may then be compared to enormous databases of facial images to identify the subject. Good biometric software then produces a number of potential matches, rating each based on a numeric score of how similar the match is. When multiple images are used, the accuracy of biometric readings increases greatly, a fact which has provoked the assembly of massive databases, particularly on key figures such as terrorists. Biometric face recognition is currently used in a handful of American airports, and was used at the 2001 Super Bowl to