很簡單的代碼：不過花了codeforge上的10個點，自己寫也早寫出來了;

? 代碼如下：

文件：calLaws.m

function [y,h_v,h_h]=calLaws(x,id,LocalEnergy) for dim=1:2if dim==1FilterId=upper(id(1:2)); % Input argument "id" is undefined.elseFilterId=upper(id(3:4));endif strcmp(FilterId,'L5'), h(dim,1:5)=[ 1 4 6 4 1];elseif strcmp(FilterId,'E5'), h(dim,1:5)=[-1 -2 0 2 1];elseif strcmp(FilterId,'S5'), h(dim,1:5)=[-1 0 2 0 -1];elseif strcmp(FilterId,'W5'), h(dim,1:5)=[-1 2 0 -2 1];elseif strcmp(FilterId,'R5'), h(dim,1:5)=[ 1 -4 6 -4 1];elseif strcmp(FilterId,'__'), h(dim,1:5)=[ 0 0 1 0 0];end end h_v=h(1,:); h_h=h(2,:);% Perform the filtering y=filter2(h_v,filter2(h_h,x));if exist('LocalEnergy')==1 y=avgsmth(abs(y),LocalEnergy);%LocalEnergy?????????5?????? end

文件 avgsmth.m

function y=avgsmth(x,M,N) % AVGSMTH Smooth an image with an MxN averaging filter % y=avgsmth(x,M,N)if nargin<3,%若輸入?yún)?shù)小于三個！！！N=M; endw=ones(M,1)/M; y=filter2(w,x); w=ones(1,N)/N; y=filter2(w,y);

總結

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