Method combining error diffusion and traditional halftoning with

Details Method combining error diffusion and traditional halftoning with Method combining error diffusion and traditional halftoning with

1994-10-31

1996-02-20

Coles, Sr., Edward L.

Facsimile and static presentation processing

Facsimile

Specific signal processing circuitry

358455, 358456, 358465, 382252, H04N 140

Patent

active

054934168

ABSTRACT:
A block-based error diffusion technique allows for the printing of colored images having arbitrary screen orientations. The technique improves reproducibility by only compensating for errors arising from quantization in selected "critical blocks".

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Thomas. M. Holloday, "An Optimum Algorithm for Halftone Generation for Displays and Hard Copies", Proc. Society for Information Display, vol. 21, No. 2, 1980, pp. 185-192.
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