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Dive into the research topics where Kenichi Kawauchi is active.

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Featured researches published by Kenichi Kawauchi.


custom integrated circuits conference | 1993

An outline font rendering processor with an embedded RISC CPU for high-speed hint processing

Tetsuro Kawata; Kenichi Kawauchi; Nobuaki Miyakawa; Ichiro Kawazome; Hiromi Yasumatsu; Susumu Haga; Masaya Takenaka

Font rendering requires state-of-the-art hint processing for delicate adjustment to output devices in practical applications. The hint processing is a function which corrects transformed outlines using additional information. A font rendering processor has been developed using a CMOS 0.8 /spl mu/m pg process on a 9.47/spl times/9.24 mm/sup 2/ die. It incorporates the hint processing capability, and thus unburdens a host CPU of the whole font rendering. It comprises a RISC CPU for high-speed hint processing and special hardware units that is based upon a DDA and an edge flag algorithm for outline drawing and filling. A performance evaluation using the fabricated chip has shown about 0.4 ms/char and 1.5 ms/char rendering capability for small size alphabets and Kanjis, respectively. It equals about 7-11 times performance compared to a Sparc Station 2, and from about 22-38 times performance compared to a Sun4/110. >


Archive | 1996

Image coding system and image decoding system

Taro Yokose; Shuichi Kimura; Yutaka Koshi; Koh Kamizawa; Kenichi Kawauchi


Archive | 2007

Droplet ejecting apparatus

Masami Furuya; Kenichi Kawauchi; Susumu Kibayashi


Archive | 1996

Variable-length code decoder

Kenichi Kawauchi; Taro Yokose; Yutaka Koshi; Eiri Hashimoto


Archive | 1996

Ring bus multiprocessor system and processor boards for constituting the same

Norihiko Kuroishi; Tetsuro Kawata; Kenichi Kawauchi; Nobuaki Miyakawa; Reiji Aibara; Mitsumasa Koyanagi


Archive | 2003

Apparatus for correcting ink droplets placement errors for recording apparatus, recording apparatus having apparatus for correcting ink droplets placement errors, and method for correcting ink droplets placement errors

Kenichi Kawauchi; Akira Mihara


Archive | 1997

Predictive image coding and decoding system

Taro Yokose; Shunichi Kimura; Yutaka Koshi; Koh Kamizawa; Kenichi Kawauchi


Archive | 2007

Waveform data-processing device and waveform data-processing method

Kenichi Kawauchi


Archive | 2008

IMAGE PROCESSING DEVICE, IMAGE RECORDING SYSTEM, IMAGE PROCESSING METHOD AND COMPUTER-READABLE MEDIUM

Kota Nakayama; Akira Mihara; Kenichi Kawauchi


Archive | 2016

IMAGE COMPRESSION APPARATUS AND IMAGE PROCESSING APPARATUS

Kenichi Kawauchi

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