张正友的原版英文标定文章，值得我们做机器视觉的人深刻理解并学习运用。-Zhang is the Friends of the English original calibration of the article is worthy of our people who make a profound understanding of machine vision and learn to use.

相机标定经典张正友标定法，程序有中文注释，方便大家理解-A Flexible New Technique for Camera Calibration - Zhengyou Zhang