homography矩阵计算原理.包含例子,图片和说明.-homography matrix calculation. contains examples, pictures and descr iptions.

用VC 编写的一个图像匹配程序。非常好用，带有实例图，精度也很高，要用的就下吧。-VC prepared with an image matching procedures. Very easy to use, with examples of maps, the accuracy is also high on the next you want to use.

已知图象4点坐标和转换后图像相对应4点坐标， 利用openCV求出homograghy 3x3 矩阵， 然后输出变换后图像-There is an input image called "warpin". The goal is to warp this image so that the tiles are approximately square, that is the camera is rotated to look down