Patent ID: 7657059

Claim:
A method of tracking an object comprising: receiving an image of a scene, the scene comprising the object; processing the image with a plurality of trackers to produce an estimate of a position of the object, wherein the processing comprises: processing the image with a first tracker to produce a first estimate of the position of the object in the image and an associated first confidence value, and processing the image with a second tracker, concurrently with the first tracker, to produce a second estimate of the position of the object in the image and an associated second confidence value, the second tracker processing the image using one or more of a plurality of processing techniques, wherein the second tracker selects which of the processing techniques are used based upon a distance between the object and a device comprising the first and second trackers; selecting one of the produced estimates of the position of the object in the image using the first and second confidence values; and tracking the object using the selected estimate.