SIAMMA
2011
12 years 12 months ago
2011
We consider the evolution by mean curvature in a highly heterogeneous medium, modeled by a periodic forcing term, with large L∞ -norm but with zero average. We prove existence o...
IJCV
2002
13 years 4 months ago
2002
A novel technique for multi-scale curvature computation on a free-form 3-D surface is presented. This is achieved by convolving local parametrisations of the surface with 2-D Gauss...
JSCIC
2008
13 years 5 months ago
2008
Abstract We present a high-order accurate scheme for the reinitialization equation of Sussman et al. (J. Comput. Phys. 114:146
DGCI
2006
Springer
13 years 8 months ago
2006
Springer
The intrinsic volumes
ICPR
2002
IEEE
13 years 10 months ago
2002
IEEE
This paper describes 3D mapping of indoor and outdoor environment using a mobile range scanner. In the raw range data preprocessing stage, we propose to use area decreasing flow ...
GMP
2002
IEEE
13 years 10 months ago
2002
IEEE
In this paper, we introduce iterative mean and median filtering schemes for smoothing noisy 3D shapes given as triangle meshes. Our main idea consists of applying mean and median...
ICRA
2003
IEEE
13 years 10 months ago
2003
IEEE
Estimating intrinsic geometric properties of a surface from a polygonal mesh obtained from range data is an important stage of numerous algorithms in computer and robot vision, co...
SCALESPACE
2007
Springer
13 years 11 months ago
2007
Springer
A variational formulation of an image analysis problem has the nice feature that it is often easier to predict the eect of minimizing a certain energy functional than to interpret...
ICIAP
2009
ACM
14 years 5 months ago
2009
ACM
Abstract. Discrete distortion for two- and three-dimensional combinatorial manifolds is a discrete alternative to Ricci curvature known for differentiable manifolds. Here, we show ...
VIS
2008
IEEE
14 years 6 months ago
2008
IEEE
Abstract--Smooth surface extraction using partial differential equations (PDEs) is a well-known and widely used technique for visualizing volume data. Existing approaches operate o...