介绍了用ｏｐｅｎｃｖ读取并显示视屏的程序，可以来自文件或摄像头-Introduction by opencv read and display screen of the process, may come from a document or camera

多视几何摄像头重建，恢复摄像机外参数，epfl大学做的-multi view camera computing，An Accurate O(n) Solution to the PnP Problem