figure18.m

是一本教科书的各个章节的源程序代码,适合初学数字图像的人

load woman;
X1=X; map1=map;
subplot(221); image(X1); colormap(map1);
title('woman');
axis square
load wbarb;
X2=X; map2=map;
for i=1 : 256
   for j=1 : 256
      if ( X2(i, j)>100 )
         X2(i, j)=1.2* X2(i, j);
      else
         X2(i, j)=0.5* X2(i, j);
      end
   end
end
subplot(222); image(X2); colormap(map2);
title('wbarb');
axis square
[c1, s1]=wavedec2(X1, 2, 'sym4');
sizec1=size(c1);
for i=1 : sizec1(2)
   c1(i)=1.2*c1(i);
end
[c2, s2]=wavedec2(X2, 2, 'sym4');
c=c1+c2;
c=0.5*c;
xx=waverec2(c, s1, 'sym4');
subplot(223); image(xx); 
title('融合图像');
axis square