21 search results - page 4 / 5 » Sharpness Rules |
PG
2007
IEEE
14 years 14 hour ago
2007
IEEE
Caustics are important visual phenomena, as well as challenging global illumination effects in computer graphics. Physically caustics can be interpreted from one of two perspectiv...
SIGGRAPH
1999
ACM
13 years 10 months ago
1999
ACM
We present a new particle-based surface representation with which a user can interactively sculpt free-form surfaces. The particles maintain mesh connectivity and operate under ru...
CLEF
2010
Springer
13 years 6 months ago
2010
Springer
In this paper we present our approach to the 2010 ImageClef PhotoAnnotation task. Based on the well-known bag-of-words approach we suggest two extensions. First, we analyzed the im...
CORR
2010
Springer
13 years 5 months ago
2010
Springer
It is well known that there is a sharp density threshold for a random r-SAT formula to be satisfiable, and a similar, smaller, threshold for it to be satisfied by the pure literal ...
JDA
2008
13 years 5 months ago
2008
Set Cover problems are of core importance in many applications. In recent research, the "red-blue variants" where blue elements all need to be covered whereas red elemen...