VIDEO PROCESSING METHOD USING ADAPTIVE WEIGHTED PREDICTION
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United States of America Patent
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Issued Date -
Dec 5, 2013
app pub date -
May 22, 2013
filing date -
May 29, 2012
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Abandoned
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Abstract
The present disclosure provides a video processing method using adaptive weighted prediction. The video processing method includes dividing a reference frame into a plurality of reference divisional areas, dividing a current frame into a plurality of current divisional areas, calculating absolute values of differences between respective average brightness values of the plural reference divisional areas and respective average brightness values of the plural current divisional areas, calculating a standard deviation of the absolute values, and implementing adaptive weighted prediction with regard to the current frame when the standard deviation exceeds a predetermined critical value. Thus, the video processing method can more quickly process rapid variation in brightness of an image with less operation when the rapid variation in brightness occurs due to flash, fade-in, fade-out, etc.
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