Grayscale image: Difference between revisions
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=={{header|Mathematica}}== |
=={{header|Mathematica}} / {{header|Wolfram Language}}== |
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Mathematica has a built-in grayscale conversion function called "ColorConvert". This example does not use it since it appears the luminance calculation is different from the CIE spec. Grayscale to RGB "conversion" just changes the single channel grayscale image to a triple channel image. |
Mathematica has a built-in grayscale conversion function called "ColorConvert". This example does not use it since it appears the luminance calculation is different from the CIE spec. Grayscale to RGB "conversion" just changes the single channel grayscale image to a triple channel image. |
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<lang Mathematica>toGrayscale[rgb_Image] := ImageApply[#.{0.2126, 0.7152, 0.0722}&, rgb] |
<lang Mathematica>toGrayscale[rgb_Image] := ImageApply[#.{0.2126, 0.7152, 0.0722}&, rgb] |
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