17 lines
583 B
Matlab
17 lines
583 B
Matlab
function [returnImg] = pic2grayscale(img)
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% which uses the NTSC Standard transformation to convert RGB to grayscale.
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%0.2989 * R + 0.5870 * G + 0.1140 * B
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% img to be returned
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returnImg = zeros(size(img,1), size(img, 2));
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% looping through the RGB image and calculating the grayscale value for
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% each pixel in the corresponding returnImg
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for i = 1:size(img,1)
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for j = 1:size(img,2)
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returnImg(i,j) = (0.2989 * img(i,j,1)) + (0.5870 * img(i,j,2)) + (0.1140 * img(i,j,3));
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end
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end
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returnImg = uint8(returnImg);
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end |