I want to generate a mask for my image.How can I generate it?
The mask image should be like the below picture.
MATLAB: How to create a mask for the image
image maskingImage Processing Toolbox
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OK. Seems like you're having trouble so I made a full blown demo for you. See attached m-file below this image it creates. Be sure to change the folder and image file name to whatever you have on your computer.
repmat your binary image across the three colour channels and use the invert of that as logical index into your colour image to set the pixels to 0:
colourmask = repmat(binarymask, [1 1 3]);maskedimage = colourimage;maskedimage(~colourmask) = 0;
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