An image processing apparatus has a CCD sensor for reading an original image, comparators and latches for detecting maximum and minimum levels of the image signal from the CCD sensor, a coordinate detector for detecting coordinate positions on the original, and a CPU with a memory for determining a slice...http://www.google.es/patents/US5065257?utm_source=gb-gplus-sharePatente US5065257 - Image processing apparatus with means for compensating for dust., etc., on an original
Image processing apparatus with means for compensating for dust., etc., on ...