Patent ID: 7961916
Filing Date: 2011-06-14
Classification: G06F,G06K

Abstract:
1. A user identification method, comprising: (a) logging in an operating system; (b) acquiring an identification video after a random time, wherein the identification video comprises a current user facial video; (c) obtaining a suitable identification image from the identification video; (d) processing the suitable identification image to get a current user characteristic value; (e) comparing the current user characteristic value with a stored user characteristic value of a user data stored in a recognition database; (f) returning to step (b) when the current user characteristic value corresponds to the stored user characteristic value; and (g) incrementing an error counter, and returning to step (b) when the current user characteristic value does not correspond to the stored user characteristic value; wherein step (c) further comprises: (1) acquiring the current user facial video from the identification video, and obtaining a current user facial image by determining a maximum skin tone zone from at least one image of the current user facial video through skin tone determination and deleting the background; (2) acquiring a skin color facial image by erasing features from the current user facial image; (3) obtaining a feature image of the current user facial image by subtracting the skin color facial image from the current user facial image; (4) calculating a current user facial image feature statistic from the vertical and horizontal direction according to the feature image, and shown in a histogram; and (5) determining whether the current user facial image is the suitable identification image or not according to the histogram.