Robust feature bundling

Authors:
Stefan Romberg;Moritz August;Christian X. Ries;Rainer Lienhart
Affiliations:
Multimedia Computing and Computer Vision Lab, Augsburg University, Germany;Multimedia Computing and Computer Vision Lab, Augsburg University, Germany;Multimedia Computing and Computer Vision Lab, Augsburg University, Germany;Multimedia Computing and Computer Vision Lab, Augsburg University, Germany
Venue:
PCM'12 Proceedings of the 13th Pacific-Rim conference on Advances in Multimedia Information Processing
Year:
2012

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Abstract

In this work we present a feature bundling technique that aggregates individual local features with features from their spatial neighborhood into bundles. The resulting bundles carry more information of the underlying image content than single visual words. As in practice an exact search for such bundles is infeasible, we employ a robust approximate similarity search with min-hashing in order to retrieve images containing similar bundles. We demonstrate the benefits of these bundles for small object retrieval, i.e. logo recognition, and generic image retrieval. Multiple bundling strategies are explored and thoroughly evaluated on three different datasets.