Hisao Shirasawa

Image processing system for adaptive coding of color document images

Color conversion method for a color matching, a method for expanding a function of a program module and a color conversion method using the method for expanding a function of a program module

Background noise removing apparatus and method applicable to color image processing apparatus

Method of coding two-dimensional data by fast cosine transform and method of decoding compressed data by inverse fast cosine transform

Color converting device emphasizing a contrast of output color data corresponding to a black character

Image output apparatus using radio contact element

Color image processing apparatus, color image forming method, and recording medium

Color signal processing and color profile creation for color image reproduction

Color conversion processing method for color matching and a processor readable medium storing a program for implementing the color conversion processing method

IMAGE PROCESSING APPARATUS, IMAGE PROCESSING METHOD, AND COMPUTER PRODUCT