Image processing apparatus, imaging apparatus, image processing method, and storage medium storing image processing program
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United States of America Patent
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Jun 2, 2020
Grant Date -
Feb 1, 2018
app pub date -
Aug 1, 2017
filing date -
Aug 1, 2016
priority date (Note) -
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Abstract
An image processing apparatus includes a deterioration degree estimation unit, a statistical information calculation unit, a correction coefficient calculation unit, and a contrast correction unit. The deterioration degree estimation unit estimates a deterioration degree of each local region of image data. The statistical information calculation unit calculates at least a luminance of a high luminance portion in a luminance distribution of the image data from statistical information of each local region of the image data. The correction coefficient calculation unit calculates a correction coefficient to perform contrast correction. The contrast correction unit performs the contrast correction for each local region of the image data on the basis of the correction coefficient calculated by the correction coefficient calculation unit.
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