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Matching with PROSAC — Progressive Sample Consensus

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Chum, O., Matas, J.·2005·2005 IEEE Computer Society Conference on Computer Vision and Pattern Recognition (CVPR'05)

Abstract

A new robust matching method is proposed. The progressive sample consensus (PROSAC) algorithm exploits the linear ordering defined on the set of correspondences by a similarity function used in establishing tentative correspondences. Unlike RANSAC, which treats all correspondences equally and draws random samples uniformly from the full set, PROSAC samples are drawn from progressively larger sets of top-ranked correspondences. Under the mild assumption that the similarity measure predicts correctness of a match better than random guessing, we show that PROSAC achieves large computational savings. Experiments demonstrate it is often significantly faster (up to more than hundred times) than RANSAC. For the derived size of the sampled set of correspondences as a function of the number of samples already drawn, PROSAC converges towards RANSAC in the worst case. The power of the method is demonstrated on wide-baseline matching problems.

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Metadata

Authors
Chum, O., & Matas, J.
Venue
2005 IEEE Computer Society Conference on Computer Vision and Pattern Recognition (CVPR'05)
Publisher
IEEE
Published
2005-07-27
Volume
1
Pages
220-226
ISSN
1063-6919 (ISSN-L)
OpenAlex
W2106199912
Cited by
1,096
References
4
FWCI
10.68
Type
conference paper
Language
en
Open access
green

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CoChat. (2026). Citation check: Matching with PROSAC — Progressive Sample Consensus. https://app.cochat.ai/papers/10.1109/cvpr.2005.221
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Chum, O., & Matas, J. (2005). Matching with PROSAC — Progressive Sample Consensus. 2005 IEEE Computer Society Conference on Computer Vision and Pattern Recognition (CVPR'05). https://doi.org/10.1109/cvpr.2005.221

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