Yong Ho Hwang Jaeman Lee Hyun-Ki Hong Omnidirectional Camera Calibration and 3D Reconstruction by Contour Matching. 881-890 2006 conf/isvc/2006-1 ISVC (1) http://dx.doi.org/10.1007/11919476_88 db/conf/isvc/isvc2006-1.html#HwangLH06