针孔相机模型和变形

http://wiki.opencv.org.cn/index.php/Cv%E7%85%A7%E7%9B%B8%E6%9C%BA%E5%AE%9A%E6%A0%87%E5%92%8C%E4%B8%89%E7%BB%B4%E9%87%8D%E5%BB%BA http://oliver.zheng.blog.163.com/blog/static/14241159520133601847831  

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