Patent ID: 6757428
Filing Date: 2004-06-29
Classification: G06K,G06T

Abstract:
A computer-implemented method for performing color matching between a template image object and a region of interest (ROI), wherein each of the template image object and the ROI comprises a respective plurality of pixels, the method comprising:for each respective pixel of at least a subset of the pixels of each of the template image object and the ROI, determining a color category for the respective pixel based on hue, saturation and intensity values of the respective pixel, wherein said determining determines a color category from a plurality of possible color categories; storing information regarding the number of pixels in each of said plurality of possible color categories of each of each of the template image object and the ROI, wherein said information characterizes colors in the image object; and generating match information based on the color information of the template image object and the color information of the ROI, wherein said match information indicates the similarity of colors between the template image object and the ROI.