Generic R-transform for invariant pattern representation

Thai V. Hoang 1 Salvatore Tabbone 1
1 QGAR - Querying Graphics through Analysis and Recognition
LORIA - Laboratoire Lorrain de Recherche en Informatique et ses Applications
Abstract : The beneficial properties of the Radon transform make it an useful intermediate representation for the extraction of invariant features from pattern images for the purpose of indexing/matching. This paper revisits the problem with a generic view on a popular Radon-based pattern descriptor, the R-signature, bringing in a class of descriptors spatially describing patterns at all the directions and at different levels. The domain of this class and the selection of its representative are also discussed. Theoretical arguments validate the robustness of the generic R-signature to additive noise and experimental results show its effectiveness.
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Communication dans un congrès
International Workshop on Content-Based Multimedia Indexing - CBMI'2011, Jun 2011, Madrid, Spain. IEEE Computer Society, pp.157-162, 2011, 〈10.1109/CBMI.2011.5972538〉
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Thai V. Hoang, Salvatore Tabbone. Generic R-transform for invariant pattern representation. International Workshop on Content-Based Multimedia Indexing - CBMI'2011, Jun 2011, Madrid, Spain. IEEE Computer Society, pp.157-162, 2011, 〈10.1109/CBMI.2011.5972538〉. 〈inria-00593469〉

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