Geometric consistency checking for local-descriptor based document retrieval

Authors:
Eduardo Valle;David Picard;Matthieu Cord
Affiliations:
UFMG, Belo Horizonte, MG, Brazil;Université de Paris, Paris, France;Université de Paris, Paris, France
Venue:
Proceedings of the 9th ACM symposium on Document engineering
Year:
2009

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Abstract

In this paper, we evaluate different geometric consistency schemes, which can be used in tandem with an efficient architecture, based on voting and local descriptors, to retrieve multimedia documents. In many contexts the geometric consistency enforcement is essential to boost the retrieval performance. Our empirical results show however, that geometric consistency alone is unable to guarantee high-quality results in databases that contain too many non-discriminating descriptors.