Sequential color error diffusion with forward and backward...

Facsimile and static presentation processing – Static presentation processing – Attribute control

Reexamination Certificate

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Reexamination Certificate

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07440140

ABSTRACT:
Disclosed are methods of halftoning images having multiple color planes using error diffusion techniques, and incorporating both error information from the previously-processed color planes of a pixel, and error information from a previously process pixel of yet-to-be processed color planes.

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