?? rationallogist2.m
字號:
clc;
clear all;
Ximage=double(imread('e:\tu\house.jpg'));
key0=0.1;
key1=4;
[M,N]=size(Ximage);
figure(1)
Ximage=uint8(Ximage);
imshow(Ximage,[]);
Ximage=double(Ximage);
for(i=1:M)
for(j=1:N)
key0=key1*key0*(1-key0);
a(i,j)=key0;
end
end
key3=0.2;
key2=4;
for(i=1:M)
for(j=1:N)
key3=key2*key3*(1-key3);
b(i,j)=key3;
end
end
key4=0.3;
key2=4;
for(i=1:M)
for(j=1:N)
key4=key2*key4*(1-key4);
c(i,j)=key4;
end
end
t=0.4;
w0=0.2;
w1=0.5;
w2=0.3;
w=(1-t)^2*w0+2*t*(1-t)*w1+t^2*w2;
for(i=1:M)
for(j=1:N)
P(i,j)=(1-t)^2*a(i,j)*w0+2*t*(1-t)*b(i,j)*w1+t^2*c(i,j)*w2;
% P(i,j)=(1-t)^2*a(i,j)*w0+2*t*(1-t)*b(i,j)*w1+t^2*c(i,j)*w2;
d(i,j)=P(i,j)/w;
end
end
x=d;
e=round(x*256);
% plot(d);
Yimage=mod(Ximage+e,256);
figure(2)
e=uint8(e);
imshow(Yimage,[]);
e=double(e);
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