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Journal articles

A new shape descriptor defined on the Radon transform

Salvatore Tabbone 1 Laurent Wendling 1 Jean-Pierre Salmon 1
1 QGAR - Querying Graphics through Analysis and Recognition
INRIA Lorraine, LORIA - Laboratoire Lorrain de Recherche en Informatique et ses Applications
Abstract : This paper presents a novel approach to identify complex shapes based on the Radon transform. We propose an adaptation of Radon transform called $\mathcal R$-transform which is invariant to common geometrical transformations. Moreover, to improve the uniqueness of the approach, a binary shape is projected into the Radon space for different levels of the Chamfer distance transform. The accuracy and the efficiency of the proposed algorithm in the presence of a variety of transformations are evaluated within a shape recognition process.
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Submitted on : Thursday, November 10, 2005 - 2:49:45 PM
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Salvatore Tabbone, Laurent Wendling, Jean-Pierre Salmon. A new shape descriptor defined on the Radon transform. Computer Vision and Image Understanding, Elsevier, 2006, 102 (1), pp.42--51. ⟨10.1016/j.cviu.2005.06.005⟩. ⟨inria-00000643⟩



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