20 search results - page 2 / 4 » Principal curvatures from the integral invariant viewpoint |
CVPR
2004
IEEE
14 years 7 months ago
2004
IEEE
We describe a method for obtaining the principal objects, characters and scenes in a video by measuring the reoccurrence of spatial configurations of viewpoint invariant features....
ICIP
1998
IEEE
14 years 7 months ago
1998
IEEE
In this paper we present a framework combining differential geometry and scale-space to show that local geometric invariants of image contours such as tangent, curvature and deriv...
GMP
2006
IEEE
13 years 11 months ago
2006
IEEE
Physical based and geometric based variational techniques for surface construction have been shown to be advanced methods for designing high quality surfaces in the fields of CAD ...
SMA
2009
ACM
14 years 3 days ago
2009
ACM
Many algorithms for shape analysis and shape processing rely on accurate estimates of differential information such as normals and curvature. In most settings, however, care must...
EVENT
2001
13 years 7 months ago
2001
Automatically understanding human actions from video sequences is a very challenging problem. This involves the extraction of relevant visual information from a video sequence, re...