中文说明：本代码为张正友指标定的说明版本，带有中文的说明。更加适合新手学习。计算单应性矩阵暂无详细说明。但跟其他的比起来还是不叫完善的。欢迎下载
English Description：
This code is a set of instructions for the Zhang Zhengyou index version, with a description of the chinese. More suitable for novice learning. Calculate the homography matrix in detail. But compared with the other is not perfect. Welcome to download