Image processing apparatus and image reducing circuit therefor

Details Image processing apparatus and image reducing circuit therefor Image processing apparatus and image reducing circuit therefor

1990-08-27

1993-07-27

Moore, David K.

Image analysis

Histogram processing

For setting a threshold

382 41, 382 49, 382 56, 36493141, 3642768, 3642292, 358451, G06K 942, G06K 954, G06K 936, G06F 100

Patent

active

052316793

ABSTRACT:
An image processing apparatus is disclosed in which image information read by image information read-out means is reduced by reducing encoding means and simultaneously compressed by compressing means to be displayed as an image, or encoded image information is decoded by decoding means to be stored in a memory and simultaneously is reduced by reducing means to be displayed as an image, thus the apparatus can implement rapid processings, and reducing circuit for image information which reduces image information in the main scanning direction and makes storage means store reduced image information sequentially and simultaneously further reduces this reduced image information in the subscanning direction.

REFERENCES:
patent: 4123794 (1978-10-01), Matsumoto
patent: 4684997 (1987-08-01), Romeo et al.
patent: 4811413 (1989-03-01), Kimmel
patent: 4893258 (1990-01-01), Sakuragi
Mano, Morris, M., Computer System Architecture, Prentice Hall, Inc., 1982, (pp. 414-459).

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