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  • 大小: 2KB
    文件類型: .rar
    金幣: 2
    下載: 0 次
    發布日期: 2021-06-04
  • 語言: Matlab
  • 標簽: retinex??matlab??

資源簡介

主要是單尺度和多尺度retinex的matlab實現程序 ,帶有注釋。

資源截圖

代碼片段和文件信息

%?S=imread(strcat(‘2.bmp‘));
S=imread(‘2.jpg‘);
%?S=im2gray(filename);
S=rgb2gray(S)
[mn]=size(S);
S=double(S);

size=m*n;
mean=sum(sum(S)2)/size;
R=zeros(mn);
R=repmat(meanmn);

%做高斯函數
c=80;
for?i=1:m
????for?j=1:n
????????N(ij)=exp(-(i^2+j^2)/c^2);
????end
end
K=1/sum(N(:));
N1=K*N;
G=conv2(SN1‘same‘);??%尺度一

c=120;
for?i=1:m
????for?j=1:n
????????N(ij)=exp(-(i^2+j^2)/c^2);
????end
end
K=1/sum(N(:));
N1=K*N;
G1=conv2(SN1‘same‘);??%尺度二

c=250;
for?i=1:m
????for?j=1:n
????????N(ij)=exp(-(i^2+j^2)/c^2);
????end
end
K=1/sum(N(:));
N1=K*N;
G2=conv2(SN1‘same‘);??%尺度三

%計算MSR

SS=zeros(mn);
for?i=1:m
???for?j=1:n
????SS(ij)=log(S(ij)+0.0005);
????GG(ij)=log(G(ij)+0.0005);
????GG1(ij)=log(G1(ij)+0.0005);
????GG2(ij)=log(G2(ij)+0.0005);
????V(ij)=?SS(ij)-GG(ij);
????V1(ij)=?SS(ij)-GG1(ij);
????V2(ij)=?SS(ij)-GG2(ij);
???end
end

Min=min(min(V));
Max=max(max(V));
Min=min(min(V1));
Max=max(max(V1));
Min=min(min(V2));
Max=max(max(V2));
for?i=1:m
???for?j=1:n
??????VV(ij)=(V(ij)-Min)*255/(Max-Min);
??????VV1(ij)=(V1(ij)-Min)*255/(Max-Min);
??????VV2(ij)=(V2(ij)-Min)*255/(Max-Min);
???end
end
SumVV=VV/3+VV1/3+VV2/3;
VV=uint8(VV);
VV1=uint8(VV1);
VV2=uint8(VV2);
SumVV=uint8(SumVV);
S=uint8(S);
figuresubplot(151)imshow(S);
subplot(152)imshow(VV);
subplot(153)imshow(VV1);
subplot(154)imshow(VV2);
subplot(155)imshow(SumVV);






?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----

?????文件????????740??2010-04-15?20:14??Retinex\SSR.m

?????文件???????1306??2010-04-15?20:17??Retinex\MySSR.m

?????文件???????1492??2010-04-15?20:19??Retinex\MSR.m

?????目錄??????????0??2010-04-20?09:23??Retinex

-----------?---------??----------?-----??----

?????????????????3538????????????????????4


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