A color coding system and method process the data of an image or document to blend the data using a predetermined mapping to generate color indicia being a series of color bars or shapes having different lengths and heights. The color indicia is uniquely associated with the input data, and the use of...http://www.google.es/patents/US20060027662?utm_source=gb-gplus-sharePatente US20060027662 - Color-coding system
