Multi-channel image processing with cross channel context

Details Multi-channel image processing with cross channel context Multi-channel image processing with cross channel context

1989-02-02

1990-04-10

Coles, Sr., Edward L.

Facsimile and static presentation processing

Facsimile

Picture signal generator

358448, H04M 104

Patent

active

049165518

ABSTRACT:
A method and apparatus for processing a scan line of image data, wherein image data from portions of the scan line is processed simultaneously along plural channels, each channel processing a portion of the image data, and provided with context information from an adjacent portion of the scan line. Context pixels are added at the trail edge of a first scan line portion, derived from the lead edge of a second scan line portion. In certain image processing requiring preceding and succeeding pixel context information, subsequent to processing, on correctly processing pixels are transferred for subsequent processing, and pixels at the trail edge of a first scan line portion, and the lead edge of a second scan line portion are not transferred, leaving complementary scan line portions.

REFERENCES:
patent: 4439798 (1984-03-01), Frame
patent: 4449151 (1984-05-01), Yokota et al.
patent: 4692812 (1987-09-01), Hirahara et al.
patent: 4775799 (1988-10-01), Milch et al.
"Parallel Processing Correlator For High Speed Capture Utilizing Multiple Array Segments"; Sheinberg et al; Recognition Equipment Inc.

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