binary image to RGB image

marlina

2011 8 5

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Hi all,

I would like to know how to convert binary image to RGB. Let say, I want WHITE become RED and BLACK become GREEN. Anyone can help me please...really need any suggestion.

Thank you

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Walter Roberson 2011-8-5

在 MATLAB Online 中打开

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RGBIMG = cat(3, IMG, ~IMG, zeros(size(IMG)));

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Srivatsan N 2020-7-20

I am getting error when I try to display that image using imshow function.Can anyone help me out with this?.

Image Analyst 2020-7-20

在 MATLAB Online 中打开

Sure, just tell us what the error is

mask = false(480, 640);
mask(100:200, 150:450) = true;
subplot(2, 1, 1);
imshow(mask);
rgbImage = cat(3, mask, ~mask, zeros(size(mask)));
subplot(2, 1, 2);
imshow(rgbImage);