9Bruns E,Brombach B,Zeidler T,et al.Enabling mobilephones to support large-scale museum guidance[J].IEEEMultimedia,2007,14(2):16 25
10Nister D,Stewenius H.Scalable recognition with avocabulary tree[C]??Proceedings of IEEE Computer SocietyConference on Computer Vision and Pattern Recognition.Washington D C:IEEE Computer Society Press,2006,2:2161 2168