NADER, Georges; GUENNEBAUD, Gael; MELLADO, Nicolas

doi:10.1111/cgf.12485

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NADER, Georges
Geometry Processing and Constrained Optimization [M2DisCo]

GUENNEBAUD, Gael
Laboratoire Bordelais de Recherche en Informatique [LaBRI]
Laboratoire Photonique, Numérique et Nanosciences [LP2N]
Melting the frontiers between Light, Shape and Matter [MANAO]

MELLADO, Nicolas
University College of London [London] [UCL]

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Ce document a été publié dans

Computer Graphics Forum. 2014-10-08, vol. 33, p. 9

Wiley

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This paper presents a tool that enables the direct editing of surface features in large point-clouds or meshes. This is made possible by a novel multi-scale analysis of unstructured point-clouds that automatically extracts the number of relevant features together with their respective scale all over the surface. Then, combining this ingredient with an adequate multi-scale decomposition allows us to directly enhance or reduce each feature in an independent manner. Our feature extraction is based on the analysis of the scale-variations of locally fitted surface primitives combined with unsupervised learning techniques. Our tool may be applied either globally or locally, and millions of points are handled in real-time. The resulting system enables users to accurately edit complex geometries with minimal interaction.< Réduire

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Adaptive multi-scale analysis for point-based surface editing

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