Multi-target tracking method and apparatus

The embodiment of the invention provides a multi-target tracking method and apparatus. The method comprises: determining the first type of prediction areas in a current target picture frame of each target object in a reference picture frame, and the gradient amplitude graph corresponding to the target picture frame; utilizing a preserved window to successively slide along pixels in the gradient amplitude graph to obtain a plurality of sub image areas generated in the sliding process of the preserved window; screening a first type of sub image areas including objects from the sub image areas; and respectively coupling the first type of sub image areas in the target picture frame with the first type of prediction areas in a current target picture frame of each target object in a reference picture frame, and determining the area of the target object in the target image frame in a coupling mode, instead of directly predicting only based on the area information of the target object of a previous frame of image, thereby improving multi-target tracking accuracy.