3D reconstruction, and the pose determination of objects Zhanyi Hu INSTITUTE OF AUTOMATION CHINESE ACADEMY OF SCIENCES huzy@sycamore.ia.ac.cn The talk will consists of two parts. In the first part, I'll demonstrate the recent works in my group about 3D reconstruction, IBR, and vision based metrology. The second part will be on the PnP problem, which will be more academic and more theoretical. In particular, Coplanar P4P problem, Non-Coplanar P4P problem, P5P problem with and without camera calibration will be discussed.