MATLAB: Array in array in image?

arraycode matlabmatrix array

I want array value not 0 keep to new array ?
r = img(:,:,1); g = img(:,:,2); b = img(:,:,3);
% double aa; double aa;
AR = [r];
[i,j] = size(AR);
for i = 1:j
if (AR(i) ~= 0)
aa = [AR(i)]
end
end

Best Answer

  • To get the non-zero elements of an array simply do something like:
    A = randn(100, 100);
    A_non_zero = A( A~=0 );
    This stores the non-zero elements of matrix A in the array A_non_zero.