Method for judging identity of person from video

The invention relates to a method for judging the identity of a person from a video, and the method comprises the steps: obtaining video information which is used for recording the flow information of the person in a to-be-detected range, the video information comprises a plurality of frames of images, and each frame of image at least comprises one piece of to-be-extracted feature information; extracting the to-be-extracted feature information from the image, wherein the to-be-extracted feature information comprises static parameters and dynamic parameters; a standard static parameter cluster and a dynamic parameter cluster of a target user are preset; judging whether the static parameters in the to-be-extracted feature information belong to the standard static parameter cluster or not and whether the dynamic parameters belong to the dynamic parameter cluster or not, and determining a judgment result; and updating parameter quantities in the standard static parameter matrix and the dynamic parameter matrix ac