Hong Hua Chunyu Gao Narendra Ahuja Calibration of an HMPD-Based Augmented Reality System. 416-430 2007 37 IEEE Transactions on Systems, Man, and Cybernetics, Part A 3 http://doi.ieeecomputersociety.org/10.1109/TSMCA.2007.893471 db/journals/tsmc/tsmca37.html#HuaGA07