用openCV对棋盘格进行标定，可以对多幅图进行连续标定，显示找到全部角点的图片-Checkerboard with openCV of calibrated multiple plans can be continuously calibrated to show the picture to find all the corner

根据自定义的长和宽，生成黑白棋盘格的标定图片-generate the calibration photo of chessboard

这是利用Opencv编写的相机程序，利用张正友相机标定原理，只需自己对棋盘格拍摄不同角度和方向的图片12张以上，就可以得到较为精确的相机内外参(This is the use of Opencv prepared camera program, the use of Zhang Zhengyou camera calibration principle, as long as their own checkerboard shot different angles and directions