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EUROSSC
2007
Springer

Mapping by Seeing - Wearable Vision-Based Dead-Reckoning, and Closing the Loop

9 years 10 months ago
Mapping by Seeing - Wearable Vision-Based Dead-Reckoning, and Closing the Loop
We introduce, characterize and test a vision-based dead-reckoning system for wearable computing that allows to track the user’s trajectory in an unknown and non-instrumented environment by integrating the optical flow. Only a single inexpensive camera worn on the body is required, which may be reused for other purposes such as HCI. Result show that distance estimates are accurate (6-12%) while rotation tends to be underestimated. The accumulation of errors is compensated by identifying previously visited locations and “closing the loop”; it results in greatly enhanced accuracy. Opportunistic use of wireless signatures is used to identify similar locations. No a-priori knowledge of the environment such as map is needed, therefore the system is well-suited for wearable computing. We identify the limitations of this approach and suggest future improvements.
Daniel Roggen, Reto Jenny, Patrick de la Hamette,
Added 07 Jun 2010
Updated 07 Jun 2010
Type Conference
Year 2007
Where EUROSSC
Authors Daniel Roggen, Reto Jenny, Patrick de la Hamette, Gerhard Tröster
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