Color correction apparatus, display apparatus, and color correction method
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United States of America Patent
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Dec 11, 2018
Grant Date -
Aug 31, 2017
app pub date -
Feb 23, 2017
filing date -
Feb 29, 2016
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Abstract
R, G, and B are corrected according to a one-dimensional lookup table R_LUT, a one-dimensional lookup table G_LUT, and a one-dimensional lookup table B_LUT, respectively. W is corrected according to one-dimensional lookup tables W_LUT (R), W_LUT (G), and W_LUT (B). The extent of a contribution to post-correction tone values Rout, Gout, and Bout of each of tone values obtained from the former correction and tone values obtained from the latter correction is modified according to a color expressed by a group of pre-correction tone values Rin, Gin, and Bin. As the above-mentioned color is closer to white, the contribution to the tone values obtained from the latter correction increases.
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