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Jose Costa Pereira , University of California, San Diego, La Jolla
Emanuele Coviello , University of California, San Diego, La Jolla
Gabriel Doyle , University of California, San Diego, La Jolla
Nikhil Rasiwasia , Yahoo! Labs, Bangalore
Gert R.G. Lanckriet , University of California, San Diego, La Jolla
Roger Levy , University of California, San Diego, La Jolla
Nuno Vasconcelos , University of California, San Diego, La Jolla
ABSTRACT
The problem of cross-modal retrieval from multimedia repositories is considered. This problem addresses the design of retrieval systems that support queries across content modalities, e.g. using an image to search for texts. A mathematical formulation is proposed, equating the design of cross-modal retrieval systems to that of isomorphic feature spaces for different content modalities. Two hypotheses are then investigated, regarding the fundamental attributes of these spaces. The first is that low-level cross-modal correlations should be accounted for. The second is that the space should enable semantic abstraction. Three new solutions to the cross-modal retrieval problem are then derived from these hypotheses: correlation matching (CM), an unsupervised method which models cross-modal correlations, semantic matching (SM), a supervised technique that relies on semantic representation, and semantic correlation matching (SCM), which combines both. An extensive evaluation of retrieval performance is conducted to test the validity of the hypotheses. All approaches are shown successful for text retrieval in response to image queries and vice-versa. It is concluded that both hypotheses hold, in a complementary form, although the evidence in favor of the abstraction hypothesis is stronger than that for correlation.
INDEX TERMS
Multimedia Information Systems, Retrieval models
CITATION
Jose Costa Pereira, Emanuele Coviello, Gabriel Doyle, Nikhil Rasiwasia, Gert R.G. Lanckriet, Roger Levy, Nuno Vasconcelos, "On the Role of Correlation and Abstraction in Cross-Modal Multimedia Retrieval", IEEE Transactions on Pattern Analysis & Machine Intelligence, , no. 1, pp. 1, PrePrints PrePrints, doi:10.1109/TPAMI.2013.142
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