function im=picMatched(pic1,newLoc1,pic2,newLoc2)
% 功能：获取拼接之后的图片
% 输入：
% pic1、 pic2：待拼接图片
% newLoc1、 newLoc2：变换控制点矩阵
% 输出：
% im：拼接后的图片
if length(size(pic1))==2
pic1=cat(3,pic1,pic1,pic1);
end
if length(size(pic2))==2
pic2=cat(3,pic2,pic2,pic2);
end
SZ=2000;
X1=newLoc1(:,2);
Y1=newLoc1(:,1);
X2=newLoc2(:,2);
Y2=newLoc2(:,1);
sel=randperm(length(newLoc1),3);
x=X2(sel)';
y=Y2(sel)';
X=X1(sel)';
Y=Y1(sel)';
U=[x;y;ones(1,3)];
V=[X;Y;ones(1,3)];
T=V/U;
cntrX=SZ/2;
cntrY=SZ/2;
im=zeros(SZ,SZ,3);
for i=1:size(pic2,1)
for j=1:size(pic2,2)
tmp=T*[j;i;1];
nx=round(tmp(1))+cntrX;
ny=round(tmp(2))+cntrY;
if nx>=1 && nx<=SZ && ny>=1 && ny<=SZ
im(ny,nx,:)=pic2(i,j,:);
end
end
end
im=imresize(im,1,'bicubic');
tpic1=zeros(SZ,SZ,3);
tpic1(1+cntrY:size(pic1,1)+cntrY,1+cntrX:size(pic1,2)+cntrX,:)=pic1;
re=rgb2gray(uint8(im))-rgb2gray(uint8(tpic1));
for k=1:3
ta=im(:,:,k);
tb=tpic1(:,:,k);
ta(re==0)=tb(re==0);
im(:,:,k)=ta;
end
clear ta tb re tpic1
im=getPicture(im,SZ);
im=uint8(im);
if length(size(pic1))==2
im=rgb2gray(im);
end
