跪求双线性插值算法的例子，在线等

Question

如题，在线等

Answer 1

http://www.wanfangdata.com.cn/qikan/periodical.Articles/bjdzkjxyxb/bjdz2004/0404pdf/040406.pdf不过要帐号的，我也没

Answer 2

Bilinear Interpolation Algorithm%========================================%
% Bilinear Interpolation Algorithm       %
% created by linxin                      %
% 11.24.2005                             %
% matlab resource                        %
%========================================%I=imread('LENA256.BMP');
imshow(I)[imagewidth,imageheight]=size(I);width=512;
height=512;
X=uint8(zeros(width,height));wscale=imagewidth/width;
hscale=imageheight/height;for i=1:width
   for j=1:height
      x=i*wscale;
      y=j*hscale;
     if(x==floor(x)) & (y==floor(y))
         X(i,j)=I(int16(x),int16(y));        % x,y are integer
      else
         if(floor(x)==0) | (floor(y)==0)     % exceed the index 
            X(i,j)=I(1,1);
         else
            
      x11=double(I(floor(x),floor(y)));
      x12=double(I(floor(x),ceil(y)));
      x21=double(I(ceil(x),floor(y)));
      x22=double(I(ceil(x),ceil(y)));
      
      Wx1=1-(x-floor(x));
      Wx2=x-floor(x);
      Wy1=1-(y-floor(y));
      Wy2=y-floor(y);
      
      X(i,j)=[Wx1 Wx2]*[x11 x12;x21 x22]*[Wy1;Wy2];  % caulate x(i,j)
    end   
   end
end
end
figure
imshow(X);

Answer 3

http://community.csdn.net/Expert/topic/4439/4439793.xml?temp=8.420962E-02
数学的什么线都有
你下下看
还有源代码

Answer 4

md,还要多求一个算法的例子
http://community.csdn.net/Expert/TopicView.asp?id=4661338