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Kazumasa Koike

Ricoh

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Publication

Featured researches published by Kazumasa Koike.

Archive | 1993

Image processor which converts image with poor resolution into image with improved resolution

Kazumasa Koike

Archive | 1995

Image processing unit processing pixel data according to scan line density

Kazumasa Koike

Archive | 1996

Image processing apparatus for converting a multilevel image signal into a bi-level image signal

Kazumasa Koike

Archive | 1996

Image processing method and device using such method

Kazumasa Koike

Archive | 1998

Image processing system and method

Kazumasa Koike

Archive | 1993

Picture processing apparatus

Kazumasa Koike

Archive | 2008

Image forming apparatus and wireless communication device

Makoto Higashiyama; Kazumasa Koike; Shingo Nishizaki; Kazuyuki Sato; Toyokazu Aoki; Masaki Tsugawa

Archive | 1994

Image processing apparatus providing a bilevel image signal by changing binarization threshold value based on densities of original image areas incuding target pixel and less than all surrounding pixels

Kazumasa Koike

Archive | 1993

Apparatus for producing a bilevel image suitable for a printing characteristic of a printing unit

Kazuhiro Yuasa; Kazumasa Koike

Archive | 2002

Communication apparatus and image communication method

Masatake Ohmori; Kazumasa Koike

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Makoto Higashiyama

Ricoh

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Masaki Tsugawa

Ricoh

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Masatake Ohmori

Ricoh

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Shingo Nishizaki

Ricoh

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Kazuhiro Yuasa

Ricoh

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Kazuyuki Sato

Ricoh

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Toyokazu Aoki

Ricoh

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