| 摘要 |
In order to automatically determine colors representing characteristics of an image, a color table including a plurality of colors is provided, and a color group table including color groups are obtained by classifying the colors included in the color table according to a first standard. Colors included in an image are sampled in image data to be processed based on an image data of the image. Then, a first frequency is counted for each color in the sampled colors belonging to the color table based on the result of the sampling, and a second frequency is counted by summing the first frequencies for the colors included in a color group for each of the color groups belonging to the color group table. Characteristic colors of the image are determined according to the first and second frequencies.
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