Overall actual image data is divided into tiles, spatial frequency distribution states of respective tiles are analyzed, and three extracted images including an image (95A) having the maximum number of high frequency components, an image (95C) having the minimum number of high frequency components and...http://www.google.fr/patents/US5926578?utm_source=gb-gplus-shareBrevet US5926578 - Image processor having a partial image preprocessor
Image processor having a partial image preprocessor
