1. A method comprising: computing statistics for one or more objects of a video image and the rest of the video image; preprocessing the video image from a video camera to separate the one or more objects to be tracked from the rest of the video image; generating a quality measure based on the statistics for the one or more objects to be tracked and the rest of the video image that indicates the suitability of the video image for use by an object tracking system, wherein the generating of the quality measure maximizes saturation of each of the one or more objects to be tracked; and providing the quality measure to the object tracking system.