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compute_area.m 250 B
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    function area = compute_area(B)
%COMPUTE_AREA   Area of the binarized object
%   AREA = COMPUTE_AREA(B)

Ax = B(2:end,:,:)~=B(1:end-1,:,:);
Ay = B(:,2:end,:)~=B(:,1:end-1,:);
Az = B(:,:,2:end)~=B(:,:,1:end-1);
area = sum(Ax(:))+sum(Ay(:))+sum(Az(:));