临时保存

//人工选点
points[0].push_back(Point2f(194,42));
points[0].push_back(Point2f(183,80));
points[0].push_back(Point2f(225,61));
points[1].push_back(Point2f(174,41));
points[1].push_back(Point2f(162,81));
points[1].push_back(Point2f(208,62));

warp_mat.at<float>(0,0)=0.5;
warp_mat.at<float>(0,1)=0.5;
warp_mat.at<float>(0,2)=0;
warp_mat.at<float>(1,0)=0.6;
warp_mat.at<float>(1,1)=0.2;
warp_mat.at<float>(1,2)=0;