14 lines
346 B
Text
14 lines
346 B
Text
function gray = rgb2gray (rgb)
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switch(class(rgb))
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case "double"
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gray = luminance(rgb);
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case "uint8"
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gray = uint8(luminance(rgb));
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case "uint16"
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gray = uint16(luminance(rgb));
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endswitch
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endfunction
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function lum = luminance(rgb)
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lum = 0.2126*rgb(:,:,1) + 0.7152*rgb(:,:,2) + 0.0722*rgb(:,:,3);
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endfunction
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