Patent ID: 6181806
Filing Date: 2001-01-30
Classification: G06K

Abstract:
An apparatus for identifying persons comprising:an image input section that inputs a personal face image of a person to be identified;an image memory section that stores the personal face image input by said image input section;a feature points extracting section that extracts predefined feature points from the personal face image stored in said image memory section;a feature amounts extracting section that divides the personal face image into small triangles based on the extracted feature points according to a predefined rule, thereby describing the personal face image as a set of the small triangles and extracts each difference in an average brightness between adjacent two small triangles as a feature amount; anda judgment section that calculates distances between the feature amounts extracted by said amounts extracting section and feature amounts extracted beforehand with respect to each person to be identified and judges whether the person having said personal face image input by said image input section is the person to be identified.