2D图形编程

开发平台：

Matlab

imidwt2.m：源码内容

							function Iout2=imidwt2(in,J1)
% 对输入图像in做J1尺度的小波逆变换
K=J1;
[m,n]=size(in);
in1=double(in);
V=zeros(m/(2^(J1-1)),n/(2^(J1-1)));
Iout2=zeros(size(in));
for k=1:K
    for i=1:m/(2^(J1-1))
        for j=1:n/(2^(J1-1))
            V(i,j)=in1(i,j);
        end
    end
    for i=1:m/(2^(J1-1))
         V(i,:)=selfidwt(V(i,:),1);%对行进行变换
    end
    for i=1:n/(2^(J1-1))
         V(:,i)=selfidwt(V(:,i),1);%对列进行变换
    end
    for i=1:m/(2^(J1-1))
        for j=1:n/(2^(J1-1))
           in1(i,j)=V(i,j);
        end
    end
    J1=J1-1;
    V=zeros(m/(2^(J1-1)),n/(2^(J1-1)));
end 
Iout2=in1;
figure
imshow(uint8(Iout2))

						