Simultaneously and automatically with creating a CG image by computer graphics, (1) the image is segmented to create a mask image, (2) a mask attribute table is created by data transformation, (3) an intrinsic image (object color component, light source color component, ambient color component) is created...http://www.google.de/patents/US5594850?utm_source=gb-gplus-sharePatent US5594850 - Image simulation method
