Method and apparatus for controlling the processing of digital i

Details Method and apparatus for controlling the processing of digital i Method and apparatus for controlling the processing of digital i

1991-12-18

1994-04-26

Coles, Sr., Edward L.

Facsimile and static presentation processing

Facsimile

Specific signal processing circuitry

358443, 358453, 382 41, H04N 140, H04N 1387, G06K 936

Patent

active

053071808

ABSTRACT:
A method and apparatus for controlling the execution of image processing operations carried out on an array of image signals, the specific operations having been identified by a plurality of predefined windows. The windows are divided into a plurality of non-overlapping tiles, the boundaries of which correspond to transitions from one window region to another. Each tile therefore defines an exclusive region within the array of image signals, and the image processing operations to be applied to the signals within the boundaries of that region. Tile data is stored in one of two memory banks, thereby enabling bank switching and reprogramming of the device in real-time to permit management of complex window shapes. The apparatus is designed to efficiently manage the identification of tile regions while minimizing the required decoding hardware. The apparatus also provides flexibility of programming resulting in greater efficiency of memory usage.

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patent: 5086346 (1992-02-01), Fujisawa

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