1. A method for encoding a video stream into a processed video signal, the video stream including at least one image, the method comprising: generating, via a device, a plurality of region detection decisions in a corresponding plurality of domains including at least one transform domain containing transformed image data generated based on a transformation of the at least one image and at least one untransformed domain containing untransformed image data; detecting, via a device, a detected region in the at least one image based on a comparison of the plurality of region detection decisions; when the detected region is detected, assigning a higher quality to a portion of the image, based on the detected region.