|Department of Engineering|
|University of Cambridge > Engineering Department > Machine Intelligence Lab|
AN IMAGE-BASED SYSTEM FOR URBAN NAVIGATION
Duncan Robertson and Roberto Cipolla
We describe the prototype of a system intended to allow a user to navigate in an urban environment using a mobile telephone equipped with a camera. The system uses a database of views of building facades to determine the pose of a query view provided by the user. Our method is based on a novel wide-baseline matching algorithm that can identify corresponding building facades in two views despite significant changes of viewpoint and lighting. We show that our system is capable of localising query views reliably in a large part of Cambridge city centre.
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