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Combined Region- and Motion-based 3D Tracking of Rigid and Articulated Objects

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http://pubman.mpdl.mpg.de/cone/persons/resource/persons45312

Rosenhahn,  Bodo
Computer Graphics, MPI for Informatics, Max Planck Society;

http://pubman.mpdl.mpg.de/cone/persons/resource/persons44472

Gall,  Jürgen
Computer Graphics, MPI for Informatics, Max Planck Society;

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Citation

Brox, T., Rosenhahn, B., Gall, J., & Cremers, D. (2009). Combined Region- and Motion-based 3D Tracking of Rigid and Articulated Objects. IEEE Transactions on Pattern Analysis and Machine Intelligence, X.


Cite as: http://hdl.handle.net/11858/00-001M-0000-000F-1999-B
Abstract
In this paper, we propose the combined use of complementary concepts for 3D tracking: region fitting on one side, and dense optical flow as well as tracked SIFT features on the other. Both concepts are chosen such that they can compensate for the shortcomings of each other. While tracking by the object region can prevent the accumulation of errors, optical flow and SIFT can handle larger transformations. Whereas segmentation works best in case of homogeneous objects, optical flow computation and SIFT tracking rely on sufficiently structured objects. We show that a sensible combination yields a general tracking system that can be applied in a large variety of scenarios without the need to manually adjust weighting parameters.