1. A computer system for identifying whether a plurality of image frames may contain an object of interest comprising: a first means for storing a plurality of image frames potentially having an object of interest, a second means for screening each of said image frames to determine whether an object of interest is present within said frames and generating a value output signal corresponding to each of said image frames, a third means for processing said value output signals to determine if an object of interest is present, and if so, identifying a specific region of the frame that contains the object of interest.