System and method for enhancing the density of black
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United States of America Patent
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Sep 9, 2014
Grant Date -
Mar 22, 2012
app pub date -
Sep 17, 2010
filing date -
Sep 17, 2010
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Abstract
A computer-implemented method and system for enhancing black density of a halftoned bitmap are provided. The method includes receiving a halftoned bitmap into computer memory, and, using a computer, identifying at least one black-only pixel in the halftoned bitmap. The method further includes for each of the identified black-only pixels, identifying at least one black-only pixel as a candidate for adding color based at least in part on the location of the black-only pixel with respect to an edge in the halftoned bitmap, modifying the halftoned bitmap by adding color to at least one of the candidate black-only pixels, and outputting the modified halftoned bitmap.
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