Patent ID: 6301017
Filing Date: 2001-10-09
Classification: H04N

Abstract:
A color image processing apparatus having a normal copy mode and a generation copy mode for copying an original output in the normal copy mode, comprising:holding means for holding a first gamma correction parameter corresponding to the normal copy mode and a second gamma correction parameter corresponding to the generation copy mode and being used for providing a better copy of the original output in the normal copy mode;masking process means for performing a masking process for color image data representing a color image;mode setting means for setting a copy mode of the color image, according to a manual instruction by a user;setting means for setting a gamma correction parameter corresponding to the copy mode set by said mode setting means, based on the gamma correction parameters held by said holding means;gamma correction means for performing a gamma correction on the masking processed color image data, by using the selected gamma correction parameter; andoutput means for outputting the gamma-corrected masking processed color image data to a color image output unit.