Printer with progressive column error diffusion system and metho

Details Printer with progressive column error diffusion system and metho Printer with progressive column error diffusion system and metho

1998-04-30

2000-01-11

Popvici, Dov

Facsimile and static presentation processing

Static presentation processing

Attribute control

358 116, 358 117, G06F 1500

Patent

active

060142278

ABSTRACT:
Error diffusion apparatus processes and stores image data on a sub-column basis for pixels below and to the left of a current pixel along a common diagonal. Error data is diffused on a pixel by pixel basis relative to a next pixel right of the current pixel until the left most sub-column of pixels has a height corresponding to the height of the total number of nozzles in a single column of an inkjet printhead. In this manner, error diffusion is accomplished on the fly with buffer memory storage capacity being substantially reduced relative to other error diffusion processes.

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