1. A system for encoding a video stream into a processed video signal, the video stream including at least one image, the system comprising: a device that includes: a pattern detection module for detecting a pattern of interest in the at least one image, wherein the pattern detection module includes: a region detection module for detecting a detected region in the at least one image that contains the pattern of interest, the region detection module including a color bias correction module that generates a color bias corrected image from the at least one image, and wherein the detected region is detected based on detecting a first color in the color bias corrected image; a region cleaning module that generates a clean region by cleaning the detected region containing pattern of interest; and a region growing module that expands the clean region to generate a region identification signal that identifies a total region to include the clean region and at least one adjacent area that includes additional image features characterized by at least one color that is contrasting from the first color; and an encoder section, coupled to the region detection module, that generates the processed video signal, wherein, when the pattern of interest is detected, a higher quality is assigned to the total region than to portions of the at least one image outside the total region.