837 search results - page 81 / 168 » A Topological Method of Surface Representation |
CAGD
2006
13 years 10 months ago
2006
Given a smooth surface, a blue (red) ridge is a curve such that at each of its points, the maximum (minimum) principal curvature has an extremum along its curvature line. Ridges a...
ICCV
1995
IEEE
14 years 1 months ago
1995
IEEE
Estimating principal curvatures and principal directions of a surface from a polyhedral approximation with a large number of small faces, such as those produced by iso-surface con...
COMPGEOM
2003
ACM
14 years 3 months ago
2003
ACM
In this paper we describe and analyze a method based on local least square fitting for estimating the normals at all sample points of a point cloud data (PCD) set, in the presenc...
ECCV
2010
Springer
14 years 2 months ago
2010
Springer
This paper deals with local 3D descriptors for surface matching. First, we categorize existing methods into two classes: Signatures and Histograms. Then, by discussion and experime...
CG
2007
Springer
13 years 10 months ago
2007
Springer
We present a novel method for determining local multiresolution filters for a broad range of subdivision schemes. Our approach is based on constraining the wavelet coefficients s...