Simon Gibson Jonathan Cook Toby Howard Roger J. Hubbold Daniel Oram Accurate Camera Calibration for Off-line, Video-Based Augmented Reality. 37-46 2002 conf/ismar/2002 ISMAR http://csdl.computer.org/comp/proceedings/ismar/2002/1781/00/17810037abs.htm db/conf/ismar/ismar2002.html#GibsonCHHO02