Image processing method, image processing apparatus and display apparatus
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United States of America Patent
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Apr 6, 2017
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Apr 29, 2016
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Abstract
The embodiments of the present disclosure disclose an image processing method, an image processing apparatus and a display apparatus. Before frame image data is displayed, all of grey level values of the frame image data to be displayed are divided into a plurality of grey level areas. Then, a type of each of the grey level areas is determined to be a first grey level area or a second grey level area based on a result of a comparison between a first ratio and a second ratio corresponding to each of the grey level areas. Finally, the grey level values included in each grey level area are adjusted to increase a grey level span of the first grey level area and decrease a grey level span of the second grey level area, and the frame image data is displayed based on the adjusted grey level values. That is, this image processing method allows a range of the first grey level area in the to-be-displayed frame image data to be increased and a range of the second grey level area to be decreased.
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