TONE MAPPING METHOD OF HIGH DYNAMIC RANGE IMAGE/VIDEO
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United States of America Patent
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Issued Date -
Jun 19, 2014
app pub date -
Dec 19, 2012
filing date -
Dec 19, 2012
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Abandoned
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Abstract
A tone mapping (TM) method of high dynamic range (HDR) image/video includes the steps of A) acquiring an HDR image/video; B) processing the HDR image/video via fast global TM where each of processed pixel outputs is denoted by PixelFG and then computing the HDR image/video via block-based GC algorithm where each of processed pixel outputs is denoted by PixelBGC; and C) computing the pixel outputs PixelFG and the pixel outputs PixelBGC that each pixel corresponds to respectively as presented by α×PixelFG+β×PixelBGC where the numeral values of α and β are between 0 and 1 each and α+β=1. After the computation, the result is the final output result.
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