The present invention relates to a method for correcting at least one color of a photographic image including at least one pattern area or image pattern with a predictably known color or memory color, said image being transferred to a digital representation, wherein the method comprises the following...http://www.google.de/patents/US20020150291?utm_source=gb-gplus-sharePatent US20020150291 - Image colour correction based on image pattern recognition, the image pattern including a reference colour