6The 15th General Assembly of ICOMOS. XI'AN Declaration on the Conservation of the Setting of Heritage Structures, Sites and Areas [EB/OL]. Xi'an, CHINA: 2005.http://www.sach.gov.cn/tabid/294/InfoID/5682/Default .aspx
8Azuma R T. A Survey of Augmented Reality [J]. Presence: Teleoperators and Virtual Environments (S1054-7460), 1997, 6(4): 355-385.
9KE Xu, Cheoka Ad, Kar Wee Chia, et al. Visual registration for geographical labeling in wearable computing [C]//In Proceedings of the 6th IEEE International Symposium on Wearable Computers, (ISWC 2002). Washington, USA: IEEE CS Press, 2002:109-116.
10Buenaposadaj M, Baumela L. Real-time tracking and estimation of plane pose [C]// Pro. 16th International Conference on Pattern Recognition (ICPR02). Quebec, Canada: IEEE CS Press, 2002, 2: 697-700.
