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international symposium on computer architecture | 1984

A special purpose LSI processor using the DDA algorithm for image transformation

Katsura Kawakami; Shigeo Shimazaki

A new special purpose processor, named MN8614, has been developed for the high speed execution of binary image transformations. The processor carrys out the processing based on a new extension of the DDA algorithm to reduce the number of multiplications required for image processing. In addition, a machine instruction set has been developed which makes optimal use of the new method. The processor is fabricated on a single LSI chip with 16-bit data paths. Although the basic chip design is the same as that used in the construction of a general purpose microprocessor, the processing speed of MN8614 proves to be more than 30 times faster.


Archive | 1984

Image data expanding and/or contracting method and apparatus

Kazufumi Suzuki; Katsura Kawakami; Shigeo Shimazaki; Yuetsu Ochiai; Etsuko Hirokami; Hiroaki Kotera


Archive | 1984

Method and apparatus for processing image data using sum and subtract operations

Katsura Kawakami; Shigeo Shimazaki; Etsuko Hirokami


Archive | 1989

RECORDING MEDIUM AND ITS RECORDING AND REPRODUCING DEVICE

Yoshikazu Fukino; Katsura Kawakami; Motohiro Misawa; Hiroshi Nishikawa; Shigeo Shimazaki


Archive | 1987

COMMAND SETTING METHOD

Makoto Ishizuka; Takao Isogawa; Katsura Kawakami; Hiroshi Nishikawa; Shigeo Shimazaki


Archive | 1984

Processor of picture data

Etsuko Hirogami; Katsura Kawakami; Shigeo Shimazaki


Archive | 1984

Magnifying and reducing device of image

Etsuko Hirogami; Katsura Kawakami; Hiroaki Kodera; Takeyoshi Ochiai; Shigeo Shimazaki; Kazufumi Suzuki


Archive | 1983

Method and device for picture rotation

Etsuko Hirogami; Katsura Kawakami; Hiroaki Kodera; Takeyoshi Ochiai; Shigeo Shimazaki; Kazufumi Suzuki


Archive | 1987

Voice editing apparatus

Makoto Ishizuka; Katsura Kawakami; Shigeo Shimazaki; Hiroshi Nishikawa; Takao Isogawa


Archive | 1984

Verfahren und einrichtung zur bilddatenverarbeitung unter anwendung von additions- und subtraktionsvorgaengen

Katsura Kawakami; Shigeo Shimazaki; Etsuko Hirokami

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