how to eliminate identical portions of an image?

hi everyone,I need help

after segmentation,i calculate the tortuosity of each vessel for two image,Now I try to remove the image the same parts

someone to a solution

Answer 1

[Image Analyst]

% Find matching values
binaryImage = (image1 == image2);
% "Remove" the matching pixels by setting them to zero in each original image.
image1(binaryImage) = 0;
image2(binaryImage) = 0;

If that's not what you mean, then explain what you mean (because what you said is confusing).