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FPMI.m
Package: cx9.rar [view]
Upload User: xueli1969
Upload Date: 2022-07-27
Package Size: 19k
Code Size: 1k
Category:
Communication Document
Development Platform:
Matlab
- function mi=FPMI(I0,I1,ta,ca) % 增加 ta ,和 canny范围
- %ta=7; % 均方差
- width=3*ta;
- ssq=ta^2;
- [x,y]=meshgrid(-width:width,-width:width);
- e1 = exp(-(x.*x+y.*y)/(2*ssq)) /(0.5*pi*ssq);
- [M,N]=size(I0);
- I0=edge(I0,'canny',ca);
- I1=edge(I1,'canny',ca);
- I0=double(I0);
- I1=double(I1);
- b0=zeros(M,N);
- b1=zeros(M,N);
- for i=(3*ta+1):(M-3*ta)
- for j=(3*ta+1):(N-3*ta)
- if I0(i,j)~=0
- b0([(i-3*ta):(i+3*ta)],[(j-3*ta):(j+3*ta)])= b0([(i-3*ta):(i+3*ta)],[(j-3*ta):(j+3*ta)])+e1;
- end
- if I1(i,j)~=0
- b1([(i-3*ta):(i+3*ta)],[(j-3*ta):(j+3*ta)])= b1([(i-3*ta):(i+3*ta)],[(j-3*ta):(j+3*ta)])+e1;
- end
- end
- end
- mi=MI(b0,b1);