Multimedia Retrieval Through Unsupervised Hypergraph-Based Manifold Ranking

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Guimaraes Pedronette, Daniel Carlos [UNESP]
Valem, Lucas Pascotti [UNESP]
Almeida, Jurandy
Tones, Ricardo da S.

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Ieee-inst Electrical Electronics Engineers Inc


Accurately ranking images and multimedia objects are of paramount relevance in many retrieval and learning tasks. Manifold learning methods have been investigated for ranking mainly due to their capacity of taking into account the intrinsic global manifold structure. In this paper, a novel manifold ranking algorithm is proposed based on the hypergraphs for unsupervised multimedia retrieval tasks. Different from traditional graph-based approaches, which represent only pairwise relationships, hypergraphs are capable of modeling similarity relationships among a set of objects. The proposed approach uses the hyperedges for constructing a contextual representation of data samples and exploits the encoded information for deriving a more effective similarity function. An extensive experimental evaluation was conducted on nine public datasets including diverse retrieval scenarios and multimedia content. Experimental results demonstrate that high effectiveness gains can be obtained in comparison with the state-of-the-art methods.



Multimedia, retrieval, ranking, unsupervised, manifold, hypergraph

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Ieee Transactions On Image Processing. Piscataway: Ieee-inst Electrical Electronics Engineers Inc, v. 28, n. 12, p. 5824-5838, 2019.