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From a Closed Piecewise Geodesic to a Constriction on a Closed Triangulated Surface
Abstract : 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 to segment objects. In [Hetroy and Attali, VisSym 2003], we proposed an approach based on progressive surface simplification and local geodesic computation. The drawback of this approach is that constrictions are approximated by closed piecewise geodesics which are not necessarily periodic geodesics. In this paper, we compute constrictions starting from the closed piecewise geodesics previously computed and moving them on the surface. We compare the location of the initial closed piecewise geodesics to the location of the constrictions. Finally, we define and compute different types of constrictions on a surface.
Cited literature [8 references]
https://hal.inria.fr/inria-00001145
Contributor : Franck Hétroy-Wheeler <>
Submitted on : Wednesday, November 9, 2016 - 2:09:43 PM
Last modification on : Monday, December 28, 2020 - 3:44:02 PM
Long-term archiving on: : Tuesday, March 14, 2017 - 11:00:26 PM
Contributor : Franck Hétroy-Wheeler <>
Submitted on : Wednesday, November 9, 2016 - 2:09:43 PM
Last modification on : Monday, December 28, 2020 - 3:44:02 PM
Long-term archiving on: : Tuesday, March 14, 2017 - 11:00:26 PM