Priority-driven dither

Details Priority-driven dither Priority-driven dither

2005-07-26

2005-07-26

Chow, Dennis-Doon (Department: 2675)

Computer graphics processing and selective visual display system

Computer graphics processing

Attributes

C345S599000, C358S003060

Reexamination Certificate

active

06922196

ABSTRACT:
The present invention presents halftoning techniques for printers and solves problems related to halftoning so as to render a combination of text and image areas in a pleasing manner. An advantage of this technique is that it gradually switches from text rendering to picture rendering in a manner which is locally adaptive over small regions, (say 3×3 pixels).

REFERENCES:
patent: 5323247 (1994-06-01), Parker et al.
patent: 6343159 (2002-01-01), Cuciurean-Zapan et al.
patent: 6366362 (2002-04-01), Butterfield et al.
patent: 6411745 (2002-06-01), Tai et al.
patent: 6476934 (2002-11-01), Ilbery et al.

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