Split-level frame buffer

Details Split-level frame buffer Split-level frame buffer

1991-11-26

1994-01-04

Coles, Sr., Edward L.

Facsimile and static presentation processing

Facsimile

Specific signal processing circuitry

358524, 382 22, 345145, 345186, H04N 1387

Patent

active

052765326

ABSTRACT:
A single, split-level frame buffer for use in a color imaging system includes a plurality of pixels having a first resolution level. A plurality of bits are provided for each pixel so as to enable accurate pictorial imaging. The frame buffer includes pixels having a resolution level which is higher than the first resolution level. Pixels on the edges of objects being imaged are replaced by the higher resolution pixels to provide images wherein object edges have high-resolution while object interiors have moderate resolution. In using a single frame buffer, images having more than one level of resolution are generated which do not require separation and merging operations.

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