The code is divided into following sections:
1. Filter the input image with an nxn Gaussian low-pass filter
2. Compute the Laplacian of the image resulting from step 1 using
a desirable mask (for instance 3x3)
3. Find the zero crossing of the image from step 2.
Running the code:
Amarjot (2020). Image segmentation using Marr Hilderth Filter (https://www.mathworks.com/matlabcentral/fileexchange/40808-image-segmentation-using-marr-hilderth-filter), MATLAB Central File Exchange. Retrieved .