opencv 摄像机双目标定，基于张正友教授的 ，比较好用 。-opencv calibration camera binocular, based on Professor Zhang Zhengyou, relatively easy to use

该论文是一种新的3D相机标定方法，区别于张正友的方法。可以参考里面的几个参数公式！-The paper is a new 3D camera calibration method, the method is different from Zhang Zhengyou. Several parameters which can refer to the formula!