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» Decimation of triangle meshes
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SGP
2003
15 years 1 months ago
Edge-Sharpener: Recovering Sharp Features in Triangulations of non-adaptively re-meshed surfaces
3D scanners, iso-surface extraction procedures, and several recent geometric compression schemes sample surfaces of 3D shapes in a regular fashion, without any attempt to align th...
Marco Attene, Bianca Falcidieno, Michela Spagnuolo...
CORR
2010
Springer
130views Education» more  CORR 2010»
14 years 10 months ago
Discrete Laplace-Beltrami Operator Determines Discrete Riemannian Metric
The Laplace-Beltrami operator of a smooth Riemannian manifold is determined by the Riemannian metric. Conversely, the heat kernel constructed from its eigenvalues and eigenfunctio...
Xianfeng David Gu, Ren Guo, Feng Luo 0002, Wei Zen...
CVIU
2011
14 years 3 months ago
Markerless reconstruction and synthesis of dynamic facial expressions
In this paper we combine methods from the field of computer vision with surface editing techniques to generate animated faces, which are all in full correspondence to each other....
Dominik Sibbing, Martin Habbecke, Leif Kobbelt
VISUALIZATION
2002
IEEE
15 years 4 months ago
Fast Visualization of Plane-Like Structures in Voxel Data
We present a robust, noise-resistant criterion characterizing planelike skeletons in binary voxel objects. It is based on a distance map and the geodesic distance along the object...
Steffen Prohaska, Hans-Christian Hege
113
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ICIP
2003
IEEE
16 years 1 months ago
Shape analysis algorithm based on information theory
In this paper, we describe an algorithm to measure the shape complexity for discrete approximations of planar curves in 2D images and manifold surfaces for 3D triangle meshes. We ...
Andreas Koschan, Besma Roui-Abidi, David L. Page, ...