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Erschienen in:
2005 | OriginalPaper | Buchkapitel
Probabilistic Image-Based Tracking: Improving Particle Filtering
verfasst von : Daniel Rowe, Ignasi Rius, Jordi Gonzàlez, Xavier Roca, Juan J. Villanueva
Erschienen in: Pattern Recognition and Image Analysis
Verlag: Springer Berlin Heidelberg
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Condensation
is a widely-used tracking algorithm based on particle filters. Although some results have been achieved, it has several unpleasant behaviours. In this paper, we highlight these misbehaviours and propose two improvements. A new weight assignment, which avoids sample impoverishment, is presented. Subsequently, the prediction process is enhanced. The proposal has been successfully tested using synthetic data, which reproduces some of the main difficulties a tracker must deal with.