40 search results - page 4 / 8 » A Differential Code for Shape Representation in Image Databa... |
CVPR
1999
IEEE
14 years 6 months ago
1999
IEEE
An algebraic curve is defined as the zero set of a polynomial in two variables. Algebraic curves are practical for modeling shapes much more complicated than conics or su...
SMI
2006
IEEE
13 years 11 months ago
2006
IEEE
We discuss a shape representation based on a set of disconnected (planar) polygons. The polygons are computed by creating a BSP that contains approximately linear surface patches ...
ICCV
2003
IEEE
13 years 11 months ago
2003
IEEE
Many of the computer vision algorithms have been posed in various forms of differential equations, derived from minimization of specific energy functionals, and the finite eleme...
VISUALIZATION
2002
IEEE
13 years 10 months ago
2002
IEEE
The Gauss map projects surface normals to a unit sphere, providing a powerful visualization of the geometry of a graphical object. It can be used to predict visual events caused b...
ECCV
2004
Springer
14 years 7 months ago
2004
Springer
In this paper, we propose a new PDE-based methodology for deformable surfaces that is capable of automatically evolving its shape to capture the geometric boundary of the data and ...