Multiple layer cluster dither matrix for reducing artifacts in p

Details Multiple layer cluster dither matrix for reducing artifacts in p Multiple layer cluster dither matrix for reducing artifacts in p

1996-09-20

1999-07-06

Coles, Edward L.

Facsimile and static presentation processing

Facsimile

Specific signal processing circuitry

358456, 358457, 358459, 358534, 358535, 358536, G06F 1500, H04N 140, H04N 146

Patent

active

059206829

ABSTRACT:
A technique for reducing image artifacts is described. The technique includes utilizing a clustered-dot dither matrix having a plurality of layers with each of the layers arranged in one of a plurality of complementary patterns within the dither matrix. By using a dither matrix which generates layers of dots in complementary patterns, image banding artifacts and ink bleeding characteristics resulting from a printer generating a halftone image using a clustered-dot dithering technique are reduced.

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