401 search results - page 42 / 81 » Geometry of Isophote Curves |
SGP
2003
13 years 10 months ago
2003
In this paper we develop a new description for subdivision surfaces based on a graph grammar formalism. Subdivision schemes are specified by a context sensitive grammar in which ...
CAD
2000
Springer
13 years 8 months ago
2000
Springer
In this paper we consider error propagation in geometric constructions from a geometric viewpoint. First we study affine combinations of convex bodies: This has numerous examples ...
ECCV
2002
Springer
14 years 10 months ago
2002
Springer
In central catadioptric systems, lines in a scene are projected to conic curves in the image. This work studies the geometry of the central catadioptric projection of lines and its...
EUROGRAPHICS
2010
Eurographics
14 years 5 months ago
2010
Eurographics
We provide a simple method that extracts an isosurface that is manifold and intersection-free from a function over an arbitrary octree. Our method samples the function dual to min...
SMI
2007
IEEE
14 years 3 months ago
2007
IEEE
Defining sharp features in a given 3D model facilitates a better understanding of the surface and aids visualizations, reverse engineering, filtering, simplification, non-photo...