We present an overview of FAB-MAP, an algorithm for place recognition and mapping developed for infrastructure-free mobile robot navigation in large environments. The system allow...
As location-sensing smart phones and location-based services gain mainstream popularity, there is increased interest in developing techniques that can detect anomalous activities. ...
Senaka Buthpitiya, Ying Zhang, Anind K. Dey, Marti...
In this paper, we present 3DLoc: an integrated system of hardware and software toolkits for locating an 802.11compliant mobile device in a three dimensional (3D) space. 3DLoc feat...
Jizhi Wang, Yinjie Chen, Xinwen Fu, Jie Wang, Wei ...
In certain applications, it is important for a remote server to securely determine whether or not two mobile devices are in close physical proximity. In particular, in the context ...
Global Positioning System (GPS) Technology allows precise determination of location, velocity, direction, and time. The price of GPS receivers is falling rapidly and the applicatio...