Object tracking in an image sequence

摘要

A method, and apparatus and a computer program product are provided for tracking an object in an image sequence comprising a plurality of image frames. A value of an image attribute is determined for a plurality of image blocks of a respective image frame of the image sequence. A characteristic value is assigned to each image block attribute to generate an image frame bitmap. A first order combined bitmap frame is generated by performing a first logical combination of a plurality N of image frame bitmaps spanning a first time period. A plurality, M, of those first order combined bitmap frames are logically combined to generate a second order combined bitmap frame. The object to be tracked is then identified using the second order combined bitmap frame.