Facsimile and static presentation processing – Static presentation processing – Attribute control
Reexamination Certificate
2005-09-02
2011-11-01
Tieu, Benny (Department: 2625)
Facsimile and static presentation processing
Static presentation processing
Attribute control
C358S003030, C358S003070, C358S003080, C358S003090, C358S003120, C358S003210, C358S003240
Reexamination Certificate
active
08049929
ABSTRACT:
Aspects of color of a halftoned image are controlled or adjusted. A method for adjustment can include determining a color description of a color of an area or window associated with a target halftoned pixel, determining a desired adjustment to the color associated with the target pixel, determining a color change value based on the desired adjustment and the color description associated with the target pixel, combining the color change value with at least one value of the target halftoned pixel, thereby generating at least one combined target pixel value and quantizing the at least one combined target pixel value. For instance error diffusion and/or rank-ordered error diffusion is used to perform the quantization. Color adjustments can be based on user preference and/or calibration compensations between original and target devices.
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Bala Raja
Loce Robert Paul
Xu Beilei
Fay Sharpe LLP
Sabah Haris
Tieu Benny
Xerox Corporation
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