Robust video/ultrasonic fusion based estimation for automotive applications
Pathirana, Pubudu, Lim, Allan, Savkin, Andrey and Hodgson, Peter 2006, Robust video/ultrasonic fusion based estimation for automotive applications, in Integrating manufacturing and services systems, IEEE, Piscataway, N.J., pp. 207-212.
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We describe how object estimation by a stationary or a non-stationary camera can be improved using recently-developed robust estimation ideas. The robustness of vision-based systems can be improved significantly by employing a Robust Extended Kalman Filter (REKF). The system performance is also enhanced by increasing the spatial diveristy in measurements via employing additional cameras for video capture. We describe a normal-flow based image segmentation technique to identify the object for the application of our proposed state estimation technique. Our simulations demonstrate that dynamic system modelling coupled with the application of a REKF significantly improves the estimation system performance, especially when large uncertainties are present.
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