Abstract:
A method and apparatus is disclosed herein for reducing digital video image data. In one embodiment, the method comprises comparing a signature for one or more regions of a current frame of the image data to a signature of a corresponding region of one or more previous frames; and for a region of the one or more regions, sending the region to the data sink if comparing the signature results in determining that the signature of the region does not match a signature of a corresponding region of a previous frame available at the data sink.