CONDENSATION—Conditional Density Propagation forVisual Tracking
International Journal of Computer Vision
Online Selection of Discriminative Tracking Features
IEEE Transactions on Pattern Analysis and Machine Intelligence
Evaluating Multi-Object Tracking
CVPR '05 Proceedings of the 2005 IEEE Computer Society Conference on Computer Vision and Pattern Recognition (CVPR'05) - Workshops - Volume 03
Approximate Bayesian Multibody Tracking
IEEE Transactions on Pattern Analysis and Machine Intelligence
A tutorial on particle filters for online nonlinear/non-GaussianBayesian tracking
IEEE Transactions on Signal Processing
Symmetry-driven accumulation of local features for human characterization and re-identification
Computer Vision and Image Understanding
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Most of the state-of-the-art tracking algorithms are prone to error when dealing with occlusions, especially when the involved moving objects are hardly discernible in appearance. In this paper, we propose a multi-object particle filtering tracking framework particularly suited to manage the occlusion problem. The presented solution consists in the introduction of a online subjective feature selection mechanism, which highlights and employs the most discriminant features characterizing a single object with respect to the neighbouring objects. The policy adopted fits formally in the observation step of the particle filtering process, it is effective and not computationally costly. Trials carried out on illustrative synthetic data and on recent challenging benchmark sequences report compelling performances and encourage further development of the technique.