GetLaplacian Matlab image operator operations. function A=getLaplacian1(I,consts,epsilon,win_size); if (~exist(\'epsilon\',\'var\')) epsilon=0.0000001; end if (isempty(epsilon)) epsilon=0.0000001; end if (~exist(\'win_size\',\'var\')) win_size=1; end if (isempty(win_size)) win_size=1; end