Image edge color computation

Details Image edge color computation Image edge color computation

2006-05-16

2006-05-16

Williams, Kimberly (Department: 2626)

Facsimile and static presentation processing

Natural color facsimile

Color correction

C358S001900, C345S591000, C345S593000, C345S597000, C345S598000, C345S619000, C382S253000, C382S199000, C382S167000

Reexamination Certificate

active

07046403

ABSTRACT:
Methods and apparatus implementing techniques for identifying, in a device space, an effective centerscan object color along an edge between an overscan object and a centerscan object, the overscan object having a higher paint order than the centerscan object. The edge is mapped to the device space. A set of overscan boundary pixels is identified in the device space, the overscan boundary pixels being device space pixels that are intersected by the edge. A vector pointing in a direction of the centerscan object relative to the edge is created. The vector is applied to each overscan boundary pixel in the set of overscan boundary pixels to identify a corresponding set of centerscan boundary pixels in the device space. Each centerscan boundary pixel is mapped to the centerscan object to identify a color of the centerscan boundary pixel. A corresponding method for reversed paint order is also described.

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