haardec.m

来自「EZW implementation which will use wavele」· M 代码 · 共 20 行

function de_x=haardec(X)
c=double(X);
t=1;
level=1;
h=size(X,2);

while and(h>1,t<=level)
  for row=1:h
    c(row,:)=haar(c(row,:),h);
  end

  for col=1:h
%     temp=haar(c(:,col)',h);
%     c(:,col)=temp';
    c(:,col)=haar(c(:,col),h);
  end
h=h/2;
t=t+1;
end
de_x=c;