69 search results - page 1 / 14 » Curvature Estimation in Noisy Curves |
CAIP
2007
Springer
13 years 10 months ago
2007
Springer
An algorithm of estimation of the curvature at each point of a general discrete curve in O(nlog2 n) is proposed. It uses the notion of blurred segment, extending the definition of...
SIBGRAPI
2008
IEEE
13 years 10 months ago
2008
IEEE
Recognizing shapes in multiview imaging is still a challenging task, which usually relies on geometrical invariants estimations. However, very few geometric estimators that are pro...
ICCV
1999
IEEE
13 years 8 months ago
1999
IEEE
We describe an effective and novel approach to infer sign and direction of principal curvatures at each input site from noisy 3D data. Unlike most previous approaches, no local su...
SGP
2007
13 years 6 months ago
2007
A robust statistics approach to curvature estimation on discretely sampled surfaces, namely polygon meshes and point clouds, is presented. The method exhibits accuracy, stability ...
COMPGEOM
2003
ACM
13 years 9 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...