| 摘要 |
PROBLEM TO BE SOLVED: To execute the correction of fluctuating components when in-picture level distribution is different between a background picture and picture data including a subject inputted in a subject extraction mode. SOLUTION: When in-picture level distribution is different between a background picture inputted in a background information extraction mode and picture data including a subject inputted in a subject extraction mode, for example, when the level of an input picture is higher than that of a mean value picture, correction is performed based on a correction value p calculated based on the level of a prescribed area included in an area C being a background area by a correction coefficient calculating part. That is, the mean value picture is corrected so that the level can be increased according to the input picture.
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