Patent ID: 7061506

Claim:
An image processing system comprising: calibration signal generation means for generating calibration signals for a Y-family color in which a B-value of Y-color has been varied, an M-family color in which a G-value of M-color has been varied, and a C-family color in which an R-value of C-color has been varied, in order to display Y-color, M-color, and C-color calibration images while varying output values of the B-value, G-value, and R-value respectively; image display means for displaying the Y-family color, M-family color, and C-family color calibration images at different time points, based on the calibration signals respectively; sensing means for sensing the Y-family color, M-family color, and C-family color calibration images which have been displayed and generating sensing information; image display area determining means for determining an image display area in a sensed image, based on the sensing information; pixel block image information generation means for dividing the image display area into a plurality of pixel blocks, and generating pixel block image information indicating a characteristic value of image signal values for each of the pixel blocks, based on the sensing information of a predetermined calibration image; light-deficiency amount information generation means for generating degree of light-deficiency effect information which indicates a degree to which light deficiency has an effect for each of an R-color, a G-color, and a B-color in each of the pixel blocks, based on the pixel block image information, and generating light-deficiency amount information which indicates an amount of light deficiency in each of the pixel blocks, based on the degree of light-deficiency effect information and the pixel block image information; primary-color-light amount information generation means for generating primary-color-light amount information which indicates an amount of primary-color light with no light deficiencies for each of the R-color, the G-color, and the B-color in each of the pixel blocks, based on the degree of light-deficiency effect information and the pixel block image information; correction amount information generation means for generating correction amount information which indicates an amount of correction of data for correcting color non-uniformity, based on the primary-color-light amount information and the light-deficiency amount information; and color non-uniformity correction means for correcting the data for correcting color non-uniformity, based on the correction amount information, and correcting color non-uniformity in an image, based on the data for correcting color non-uniformity which has been corrected, wherein the image display means displays an image in which color non-uniformity has been corrected by the color non-uniformity correction means.