详细描述了相机标定的原理,包括相机畸变的原因及可能的畸变等。-A detailed descr iption of the principle of camera calibration，Including the reasons for camera distortion and possible distortion and the like.

利用张正友算法，提取棋盘格交汇点，自动生成校正参数。(Zhang Zhengyou algorithm is used to extract chessboard intersection points and automatically generate correction parameters.)