2013
DOI: 10.1016/j.patcog.2012.07.014
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A comparison of methods for non-rigid 3D shape retrieval

Abstract: Artículo de publicación ISI.Non-rigid 3D shape retrieval has become an active and important research topic in content-based 3D object retrieval. The aim of this paper is to measure and compare the performance of state-of-the-art methods for non-rigid 3D shape retrieval. The paper develops a new benchmark consisting of 600 non-rigid 3D watertight meshes, which are equally classified into 30 categories, to carry out experiments for 11 different algorithms, whose retrieval accuracies are evaluated using six commo… Show more

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Cited by 169 publications
(99 citation statements)
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“…To deal with non-rigid deformations (bendings) it is necessary to adopt shape descriptions that are invariant to isometric shape deformations. A suitable metric for comparing non-rigid shapes is the geodesic one; indeed 3D shape descriptions based on geodesics, such as geodesic distance matrices [68] or geodesic skeleton paths [38], have been successfully adopted for non-rigid shape comparison, see also [44]. In addition to geodesic, more sophisticated choices are possible, such as the diffusion or the commute-time distance [77].…”
Section: Related Literaturementioning
confidence: 99%
“…To deal with non-rigid deformations (bendings) it is necessary to adopt shape descriptions that are invariant to isometric shape deformations. A suitable metric for comparing non-rigid shapes is the geodesic one; indeed 3D shape descriptions based on geodesics, such as geodesic distance matrices [68] or geodesic skeleton paths [38], have been successfully adopted for non-rigid shape comparison, see also [44]. In addition to geodesic, more sophisticated choices are possible, such as the diffusion or the commute-time distance [77].…”
Section: Related Literaturementioning
confidence: 99%
“…A large number of methods for retrieving rigid or non-rigid 3D models have been proposed [4], [6]. However there are not many studies on retrieving 3D CAD assembly models.…”
Section: Related Workmentioning
confidence: 99%
“…Shape descriptors have been extensively used in the geometry processing community for shape matching and there is a vast collection of research papers in this area [15,26,37,40]. It is possible that a shape descriptor may incorrectly map contours c 1 and c 2 to the same point even when they have totally different shapes.…”
Section: Definitionsmentioning
confidence: 99%
“…The only prerequisite on the descriptor is that it should be discriminative, i.e., similar contours should be mapped to points that are nearby in the descriptor space while contours that differ from each other should be mapped to far away points. Therefore, it is important to use shape descriptors with high precision and recall ratios [15] for applications that cannot tolerate false positives during shape retrieval.…”
Section: Contour Representation In Descriptor Spacementioning
confidence: 99%
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