teamp_we asked . 2021-05-20

Comparing images of the same on MATLAB and selecting particular features.

How do I match multiple coloured images to other images of the same but that is in black and white and eliminate everything that matches with the black part and keep only the parts of the image that match with the white on MATLAB as part of a CNN?
 

deep learning , matlab , simulink

Expert Answer

John Williams answered . 2024-05-18 11:35:59

As per my understanding, you have an image that has only black and white colors. You have other colored images, from which you would like to remove parts, where the corresponding pixel in the b/w image is black.
 
Depending on your use case, you could load the images as matrices. Then create a binary mask based on b/w image, as follows
 
bwimage = imread(image_path)
flag = [bwimage == value] % where value is value of white
colorimage(flag) = 0 % or another appropriate value


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