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Title:
GRAY COMPONENT REPLACEMENT METHOD
Document Type and Number:
Japanese Patent JP2006279961
Kind Code:
A
Abstract:

To provide a two-dimensional gray component replacement method, based on a highlight likelihood and color neutrality, with which an artifact can be avoided.

The method of gray component replacement includes: receiving a current pixel color value (32); determining a highlight likelihood for the current pixel color value (34); determining color neutrality for the current pixel color value (36); and generating an output pixel color value depending upon the highlight likelihood and the color neutrality (38).


Inventors:
HE ZHEN
Application Number:
JP2006084776A
Publication Date:
October 12, 2006
Filing Date:
March 27, 2006
Export Citation:
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Assignee:
XEROX CORP
International Classes:
H04N1/46; B41J2/525; G06T1/00; H04N1/60
Domestic Patent References:
JP2004180174A2004-06-24
JP2004112548A2004-04-08
JP2003060929A2003-02-28
JPH07203231A1995-08-04
JP2003259136A2003-09-12
Attorney, Agent or Firm:
Atsushi Nakajima
Kato Kazunori