Patent ID: 8009227

Claim:
A method for managing power consumption in a video image processing device that processes video data of an image, the video image processing device comprising a region monitor, and a plurality of processing blocks, with each processing block corresponding to are ion of interest for processing a particular function of the video data, the method comprising: receiving the video data at the region monitor to determine a location of the video data relative to a video field of the image; determining if the location of the video data is in at least one region of interest in the image, with the at least one region of interest having a particular function associated therewith; identifying if there is at least one pixel in the video data if the location of the video data is in the at least one region of interest; processing at least one identified pixel in the video data in the at least one region of interest, the processing comprising selecting the processing block corresponding to the particular function associated with the at least one region of interest; and switching off power within a period of time for the plurality of processing blocks that do not correspond to the particular function associated with the at least one region of interest.