401 search results - page 24 / 81 » Geometry of Isophote Curves |
TIP
2002
13 years 8 months ago
2002
Local curvature represents an important shape parameter of space curves which are well described by differential geometry. We have developed an estimator for local curvature of spa...
GRAPHICSINTERFACE
2008
13 years 10 months ago
2008
This paper describes a new algorithm for geometric displacement mapping. Its key idea is that all occluded solutions for an eye ray lie in two-dimensional manifolds perpendicular ...
JMIV
2007
13 years 8 months ago
2007
Image and geometry processing applications estimate the local geometry of objects using information localized at points. They usually consider information about the tangents as a s...
SMA
2008
ACM
13 years 8 months ago
2008
ACM
We present robust and efficient algorithms for computing Voronoi diagrams of planar freeform curves. Boundaries of the Voronoi diagram consist of portions of the bisector curves b...
GRAPHICSINTERFACE
2008
13 years 10 months ago
2008
Improving the visual appearance of coarse triangle meshes is usually done with graphics hardware with per-pixel shading techniques. Improving the appearance at silhouettes is inhe...