4Tom caudell. AR at boeing (1990)[EB/OL]. http://www.ipo. tue. nl/homepages/mrauterb/presentations/HCI-history/tsld096. htm.
5Boeing Inc. Augmented reality [EB/OL]. http://www. boeing.com/defense-space/aerospace/training/instruct/augmented.htm.
6Azuma R. Survey of augmented reality[J]. Teleoperators and Virtual Environments, 1997, 6(4) :355-385.
7Mierovision inc. Nomad augmented vision system [EB/OL].http://www. microvision. com/nomad/index. html.
8Kato H, Billinghurst M, Poupyrev I, et al. Virtual object manipulation of a table-top AR environment[A]. In:Proceedings of International Symposium on Augmented Reality 2000 (ISAR 00) [C], Los Alamitos, CA, USA, 2000 : 111 - 119.
9Billinghurst M, Kato H, Billinghurst M, et al. The MagicBook: Moving seamlessly between reality and virtuality [J]. IEEE Computer Graphics and Applications, 2001, 21(3):2-4.
10Daniel Wagner. First steps towards handheld augmented reality[A]. In:Proceedings of the 7th International Conference on Wearable Computers[C], White Plains, NY, USA, 2003.