Intercolor bleed reduction in liquid ink printers

Details Intercolor bleed reduction in liquid ink printers Intercolor bleed reduction in liquid ink printers

2007-02-06

2007-02-06

Poon, King Y. (Department: 2625)

Facsimile and static presentation processing

Static presentation processing

Attribute control

C358S003240, C358S003260, C358S518000, C358S540000, C358S532000, C358S530000, C358S504000, C382S162000, C382S167000, C382S199000, C382S256000, C382S257000, C382S266000, C382S269000, C382S275000, C347S014000, C347S019000, C347S043000

Reexamination Certificate

active

10317233

ABSTRACT:
A system and method for detecting edge locations where intercolor bleeding would likely be a problem, and reducing the amount of ink printed at those locations. The method operates on image data including a set of pixels with each pixel having multiple separation values. Upon receipt of the image data, the data is analyzed to identify those pixels located at an edge. A coverage value is computed from the separation values for those pixels identified as being located at an edge. Based on the coverage value, a reduction factor is determined. The reduction factor is used to multiply the separation values for the pixels located at the edge to yield reduced pixel values.

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