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Hisao Shirasawa

Ricoh

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Publication

Featured researches published by Hisao Shirasawa.

Archive | 1994

Image processing system for adaptive coding of color document images

Hisao Shirasawa; Wasaku Yamada

Archive | 1998

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

Hiroyuki Sakuyama; Hisao Shirasawa; Mitsuhisa Kanaya; Takanori Yano

Archive | 1995

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

Hisao Shirasawa; Kaoru Imao

Archive | 1994

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

Hisao Shirasawa

Archive | 2002

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

Hisao Shirasawa

Archive | 2005

Image output apparatus using radio contact element

Yuichiro Kanoshima; Sadayuki Iwai; Naoto Shiraishi; Hisao Shirasawa; Kazunari Tonami; Yoshinori Hayashi; Naoki Miyatake

Archive | 2003

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

Manabu Komatsu; Hisao Shirasawa

Archive | 2004

Color signal processing and color profile creation for color image reproduction

Hisao Shirasawa

Archive | 1998

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

Hiroyuki Sakuyama; Hisao Shirasawa

Archive | 2008

IMAGE PROCESSING APPARATUS, IMAGE PROCESSING METHOD, AND COMPUTER PRODUCT

Hisao Shirasawa

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Hiroyuki Sakuyama

Ricoh

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Kazunari Tonami

Ricoh

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Naoki Miyatake

Ricoh

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Naoto Shiraishi

Ricoh

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Sadayuki Iwai

Ricoh

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Yoshinori Hayashi

Ricoh

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Yuichiro Kanoshima

Ricoh

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Kaoru Imao

Ricoh

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Manabu Komatsu

Ricoh

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Mitsuhisa Kanaya

Ricoh

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