Chu-Song Chen Chi-Kuo Yu Yi-Ping Hung New Calibration-free Approach for Augmented Reality based on Parameterized Cuboid Structure. 30-37 1999 ICCV http://computer.org/proceedings/iccv/0164/vol%201/01640030abs.htm db/conf/iccv/iccv1999-1.html#ChenYH99