An image processing apparatus incorporating a field separating section for separating an original image into plural types of fields in response to a first image signal obtained at a rough density of the supplied original image, a characteristic value calculating section for calculating a characteristic...http://www.google.fr/patents/US6424742?utm_source=gb-gplus-shareBrevet US6424742 - Image processing apparatus for discriminating image field of original document plural times and method therefor
Image processing apparatus for discriminating image field of original ...
