Method for acquiring histogram, method for dynamically adjusting luminance and image processing apparatus
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United States of America Patent
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May 1, 2018
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Dec 11, 2014
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Jul 16, 2014
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Abstract
The present invention discloses a method for acquiring a histogram, wherein the method for acquiring a histogram includes the following steps: acquiring luminance data of pixel points of a dynamic video image; and performing separate statistical processing on frequencies of first luminance data with the minimum luminance value and second luminance data with the maximum luminance value in the luminance data, to draw a first histogram corresponding to the luminance data after the statistical processing. The present invention further discloses a method for dynamically adjusting luminance and an image processing apparatus. The present invention can embody features of image quality more accurately and more comprehensively.
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