IMAGE PROCESSING APPARATUS, AND IMAGE PROCESSING METHOD

摘要

PROBLEM TO BE SOLVED: To provide an image processing apparatus that does not cause missing of characters in a case where a monochrome copy is made by scanning a color original document even when the base and characters thereon have the same reflectance as long as they have different hues. SOLUTION: The image processing apparatus of the invention includes a background color specifying portion that specifies a background color using RGB signals output from a scanner portion 120, a hue deciding portion that decides the hue of a pixel of interest, and a monochrome signal generation processing portion that generates a monochrome signal using any one of the RGB signals according to a specification result of the background color specifying portion and a decision result of the hue deciding portion. COPYRIGHT: (C)2008,JPO&INPIT