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ICIP
2003
IEEE
16 years 8 months ago
Variational Beltrami flows over manifolds
We study, in this paper, the problem of denoising images/data which are defined over non-flat surfaces. This problem arises often in many medical imaging tasks. The Beltrami flow ...
Nir A. Sochen, Rachid Deriche, Lucero Lopez Perez
ICCV
2007
IEEE
16 years 18 days ago
Cortical Folding Development Study based on Over-Complete Spherical Wavelets
We introduce the use of over-complete spherical wavelets for shape analysis of 2D closed surfaces. Bi-orthogonal spherical wavelets have been shown to be powerful tools in the seg...
Peng Yu, B. T. Thomas Yeo, P. Ellen Grant, Bruce F...
CA
2000
IEEE
15 years 10 months ago
Accurate Collision Response on Polygonal Meshes
We present a very general geometrical correction method for enforcing collisions and other geometrical constraints between polygonal mesh surfaces. It is based on a global resolut...
Pascal Volino, Nadia Magnenat-Thalmann
ICIP
2000
IEEE
15 years 10 months ago
Vector Probability Diffusion
Minimal surface regularization has been used in several applications ranging from stereo to image segmentation, sometimes hidden as a graph-cut discrete formulation, or as a stric...
Alvaro Pardo, Guillermo Sapiro
SMI
2010
IEEE
148views Image Analysis» more  SMI 2010»
15 years 4 months ago
Paper-Strip Sculptures
—This paper introduces paper-strip sculptures, a physical mesh data-structure used to represent 2manifold mesh surfaces for understanding topological and geometrical aspects of s...
Ergun Akleman, Jianer Chen, Jonathan L. Gross