There is provided an image processing apparatus which handles an image as a digital signal, comprising: an input device to input image data indicative of a concentration of an image; a binarization circuit to binarize the input image data; a positive/negative state detection circuit to detect whether...http://www.google.fr/patents/US4958238?utm_source=gb-gplus-shareBrevet US4958238 - Image processing method and apparatus with conditional correction of error data
Image processing method and apparatus with conditional correction of error data
