325 search results - page 6 / 65 » The spherical visibility map |
COMGEO
2010
ACM
13 years 7 months ago
2010
ACM
Abstract. We give an output-sensitive algorithm for computing the visibility map of a set of n constant-complexity convex fat polyhedra or curved objects in 3-space. Our algorithm ...
ISBI
2007
IEEE
14 years 3 months ago
2007
IEEE
Complex shapes - such as the surface of the human brain may be represented and analyzed in frequency space by a spherical harmonics transformation. A key step of the processing ch...
RT
1995
Springer
14 years 18 days ago
1995
Springer
: Wavelets are a powerful tool forplanar image processing. The resulting algorithms are straightforward, fast, and efficient. With the recently developed spherical wavelets this f...
TOG
2008
13 years 9 months ago
2008
Previous research has shown that a global multiple scattering simulation is needed to achieve physically realistic renderings of hair, particularly light-colored hair with low abs...
COMPGEOM
2009
ACM
14 years 1 months ago
2009
ACM
We study the complexity of the visibility map of terrains whose triangles are fat, not too steep and have roughly the same size. It is known that the complexity of the visibility ...