aparler/RosettaCodeData
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Ingy döt Net 2023-07-01 11:58:00 -04:00
parent 7387c8f97b
commit cb5bb5e222
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2
Task/Grayscale-image/Octave/grayscale-image-1.octave Normal file
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function [grayImage] = colortograyscale(inputImage)
grayImage = rgb2gray(inputImage);

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Task/Grayscale-image/Octave/grayscale-image-2.octave Normal file
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function gray = rgb2gray (rgb)
switch(class(rgb))
case "double"
gray = luminance(rgb);
case "uint8"
gray = uint8(luminance(rgb));
case "uint16"
gray = uint16(luminance(rgb));
endswitch
endfunction
function lum = luminance(rgb)
lum = 0.2126*rgb(:,:,1) + 0.7152*rgb(:,:,2) + 0.0722*rgb(:,:,3);
endfunction