59 search results - page 4 / 12 » Properties of Three Shadows on a Plane |
JCT
2011
13 years 2 months ago
2011
We investigate finite 3-nets embedded in a projective plane over a (finite or infinite) field of any characteristic p. Such an embedding is regular when each of the three clas...
JAL
2006
13 years 7 months ago
2006
Distance labeling schemes are schemes that label the vertices of a graph with short labels in such a way that the distance between any two vertices u and v can be determined effic...
CVPR
2008
IEEE
13 years 9 months ago
2008
IEEE
This paper presents a novel integrated background model for video surveillance. Our model uses a primal sketch representation for image appearance and 3D scene geometry to capture...
CORR
2010
Springer
13 years 7 months ago
2010
Springer
Schnyder woods are decompositions of simple triangulations into three edge-disjoint spanning trees crossing each other in a specific way. In this article, we define a generalizatio...
SIGGRAPH
1990
ACM
13 years 11 months ago
1990
ACM
This paper proposes to use relief-mapped conical frusta (cones cut by planes) to skin skeletal objects. Based on this representation, current programmable graphics hardware can pe...