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IEEE Transactions on Mobile Computing
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The MPEG-7 Multimedia Database System (MPEG-7 MMDB)
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The MPEG-7 visual standard for content description-an overview
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Sense-And-Trace: a privacy preserving distributed geolocation tracking system
SP'12 Proceedings of the 20th international conference on Security Protocols
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Modern mobile devices integrating sensors, like accelerometers and cameras, are paving the way to the definition of high-quality and accurate geolocation solutions based on the informations acquired by these sensors, and data collected and managed by GSM/3G networks. In this paper, we present a technique that provides geolocation and mobility prediction of mobile devices, mixing the location information acquired with the GSM/3G infrastructure and the results of a landmark matching achieved thanks to the camera integrated on the mobile devices. Our geolocation approach is based on an advanced Time-Forwarding algorithm and on database correlation technique over Received Signal Strength Indication (RSSI) data, and integrates information produced by a landmark recognition infrastructure, to enhance algorithm performances in those areas with poor signal and low accurate geolocation. Performances of the algorithm are evaluated on real data from a complex urban environment.