CONDENSATION—Conditional Density Propagation forVisual Tracking
International Journal of Computer Vision
How Does CONDENSATION Behave with a Finite Number of Samples?
ECCV '00 Proceedings of the 6th European Conference on Computer Vision-Part I
Artificial Intelligence: A Modern Approach
Artificial Intelligence: A Modern Approach
iTrack: Image-Based Probabilistic Tracking of People
ICPR '00 Proceedings of the International Conference on Pattern Recognition - Volume 3
A tutorial on particle filters for online nonlinear/non-GaussianBayesian tracking
IEEE Transactions on Signal Processing
Improving tracking by handling occlusions
ICAPR'05 Proceedings of the Third international conference on Pattern Recognition and Image Analysis - Volume Part II
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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.