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Cited by 1,208

The DOI matches its Crossref record; 42 of the 42 references it cites were found in a registry or an index.

Online selection of discriminative tracking features

Collins, R.T., Yanxi Liu, Leordeanu, M.·2005·IEEE Transactions on Pattern Analysis and Machine Intelligence

Abstract

This paper presents an online feature selection mechanism for evaluating multiple features while tracking and adjusting the set of features used to improve tracking performance. Our hypothesis is that the features that best discriminate between object and background are also best for tracking the object. Given a set of seed features, we compute log likelihood ratios of class conditional sample densities from object and background to form a new set of candidate features tailored to the local object/background discrimination task. The two-class variance ratio is used to rank these new features according to how well they separate sample distributions of object and background pixels. This feature evaluation mechanism is embedded in a mean-shift tracking system that adaptively selects the top-ranked discriminative features for tracking. Examples are presented that demonstrate how this method adapts to changing appearances of both tracked object and scene background. We note susceptibility of the variance ratio feature selection method to distraction by spatially correlated background clutter and develop an additional approach that seeks to minimize the likelihood of distraction.

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Metadata

Authors
Collins, R. T., Liu, Y., & Leordeanu, M.
Venue
IEEE Transactions on Pattern Analysis and Machine Intelligence
Published
2005-10
Volume
27
Issue
10
Pages
1631-1643
ISSN
0162-8828 (ISSN-L)
OpenAlex
W2150000644
Cited by
1,208
References
42
FWCI
53.85
Type
journal article
Language
en
Open access
closed

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