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Robust Local Optical Flow for Feature Tracking
Citation key 1349Senst2012
Author Tobias Senst and Volker Eiselein and Thomas Sikora
Pages 1377–1387
Year 2012
Journal IEEE Transactions on Circuits and Systems for Video Technology (TCSVT)
Volume 22
Number 9
Month sep
Note ISSN={1051-8215
Abstract The presented work is motivated by the problem of local motion estimation via robust regression with linear models. In order to increase the robustness of the motion estimates we propose a novel Robust Local Optical Flow approach based on a modified Hampel estimator. We show the deficiencies of the least squares estimator used by the standard KLT tracker when the assumptions made by Lucas/Kanade are violated. We propose a strategy to adapt the window sizes to cope with the Generalized Aperture Problem. Finally we evaluate our method on the Middlebury and MIT dataset and show that the algorithm provides excellent feature tracking performance with only slightly increased computational complexity compared to KLT. To facilitate further development the presented algorithm can be downloaded from http://www.nue.tu-berlin.de/menue/forschung/ projekte/rlof/.
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