Embedded tablet computer data security protection method and system

The invention relates to the technical field of image processing, in particular to an embedded tablet computer data security protection method and system. The method comprises the following steps: acquiring a face image and a corresponding scale image; in the scale image, obtaining a window area for the pixel point so as to obtain a detail threshold value of the pixel point; obtaining detail descriptiveness of the pixel points according to the detail threshold values of the pixel points; obtaining feature points of the scale image according to the detail descriptive property of each pixel point; for the scale image, obtaining an illumination influence factor of the feature point according to the neighborhood gray value of the feature point; standard feature points are screened out according to the illumination influence factors of all the feature points, and a face verification interaction set is constructed by using standard pixel points; and obtaining a to-be-recognized image, and completing safety protecti