Mobility

Ferret: An RFID-Enabled Pervasive Multimedia Application

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Executive Summary

This paper presents the design and implementation of Ferret, a system for locating nomadic augmented with RFID tags and visually displaying them to a user in real-time. The authors present a novel algorithm to infer location of tagged objects using the location of a camera and reader that observes them. They also present techniques to refine location estimates using multiple observations and a method to display and update object locations on a video camera screen.

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