A color image processing apparatus which processes an original image data line-by-line. The color image processing apparatus includes a detector for detecting a portion in a line where an original image exists. In accordance with an output of the detector, a line-by-line determination is made as to whether...http://www.google.es/patents/US6760133?utm_source=gb-gplus-sharePatente US6760133 - Color image processing apparatus capable of detecting a color or monochromatic image
Color image processing apparatus capable of detecting a color or ...