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» Segmenting point-sampled surfaces
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IVC
2007
98views more  IVC 2007»
15 years 1 months ago
Reversible vectorisation of 3D digital planar curves and applications
This paper tackles the problem of the computation of a planar polygonal curve from a digital planar curve, such that the digital data can be exactly retrieved from the polygonal c...
Isabelle Sivignon, Florent Dupont, Jean-Marc Chass...
CVPR
2011
IEEE
14 years 9 months ago
Learning Temporally Consistent Rigidities
We present a novel probabilistic framework for rigid tracking and segmentation of shapes observed from multiple cameras. Most existing methods have focused on solving each of thes...
Jean-Sebastien Franco, Edmond Boyer
BILDMED
2006
135views Algorithms» more  BILDMED 2006»
15 years 3 months ago
Restoration of the Sphere-Cortex Homeomorphism
Abstract. The proposed algorithm has been developed as a pre-processing tool for inflating cortical surface meshes, which have been created using segmentation and subsequent triang...
Andreas Mang, Michael Wagner 0002, Jan Müller...
ICPR
2002
IEEE
16 years 3 months ago
Curvature Estimation of Surfaces in 3D Grey-Value Images
In this paper we present a novel method to estimate curvature of iso grey-level surfaces in grey-value images. Our method succeeds where isophote curvature fails. There is neither...
Bernd Rieger, Frederik J. Timmermans, Lucas J. van...
PG
2003
IEEE
15 years 7 months ago
From a Closed Piecewise Geodesic to a Constriction on a Closed Triangulated Surface
Constrictions on a surface are defined as simple closed curves whose length is locally minimal. In particular, constrictions are periodic geodesics. We use constrictions in order...
Franck Hétroy, Dominique Attali