Color conversion method, gray scale value correction apparatus, computer program and display apparatus
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United States of America Patent
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Mar 21, 2017
Grant Date -
Feb 11, 2016
app pub date -
Aug 29, 2013
filing date -
Mar 25, 2013
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Abstract
Provided are a color conversion method, gradation value correction device, computer program, and display device that can reproduce small gradation changes between lattice points, as well as can reduce accuracy degradation caused by interpolation. Dividing one of input gradations and output gradations of gradation characteristics, indicating input/output gradation characteristics reproduced in a second conversion unit, into gradation segments having predetermined gradation intervals. Then, correcting each of the gradation values of the other gradations of the gradation characteristics so that gradation intervals of the other gradations become intervals corresponding to the predetermined gradation intervals. The first conversion unit then converts the gradation values of an image using the corrected gradation values.
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