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I don't understand how to convert sRGB to CIELab and backward. Help me please. it's desirable in с++ code
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A common workaround to convert sRGB to linear is to raise the values to the power of 2.2 (using a gamma node with gamma value of 2.2). To convert from linear to sRGB, you'd use a gamma value of 0.4545.
Fast and Easy XYZ to LAB ConverterEnter or paste from clipboard XYZ color and push the “Convert” button. Then you will be able to copy the converted LAB color code to the clipboard. Convert colors in a moment!
Convert from sRGB to RGB by applying inverse gamma, convert RGB to XYZ using 3x3 matrix, convert XYZ to Lab using standard formula and D6500 white point
References:
The rest... you can do on your own :-)
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