A method and apparatus for reducing power consumption levels of a video processing device and system

摘要

A method of managing power consumption in a device such as a video image processing device for processing data from one or more pixels forming a frame of an image, the method comprising the steps of determining one or more regions of interest in the image, identifying one or more pixels located in said one or more regions of interest, processing the one or more identified pixels in a predetermined manner and switching off the power for at least part of the device when the transmitted pixel data are not amongst the one or more identified pixels for a predetermined period of time.