Patent ID: 7773116

Claim:
A target tracking apparatus for use on a moving vehicle, comprising: a reference camera; a processor to receive image data from the reference camera; a memory connected to the processor; instructions storable in the memory and executable by the processor to: process the image data to determine a stationary target region within a first frame of the image data; compare image data of the first frame with image data of a second frame, wherein all of the image data of the first frame has shifted to a different location either within the second frame or out of the second frame due to movement of the vehicle, to locate the stationary target region in the second frame; calculate a frame shift between the first frame and the second frame by using the position of the stationary target region within the first frame and the shifted position of the stationary target region within the second frame without use of data from a navigation system of the moving vehicle; and adjust a user's view of an entirety of an image associated with the image data to maintain the stationary target region in a particular position on a viewable interface from frame to frame by moving the reference camera based on the calculated frame shift.