CORR
2010
Springer
12 years 11 months ago
2010
Springer
Treemaps are a popular technique to visualize hierarchical data. The input is a weighted tree T where the weight of each node is the sum of the weights of its children. A treemap ...
COMGEO
2011
ACM
12 years 11 months ago
2011
ACM
For a set of n points in the plane, we consider the axis–aligned (p, k)-Box Covering problem: Find p axis-aligned, pairwise-disjoint boxes that together contain at least n − k...
JCT
2006
13 years 4 months ago
2006
We investigate the number of different ways in which a rectangle containing a set of n noncorectilinear points can be partitioned into smaller rectangles by n (non-intersecting) s...
ESA
2010
Springer
13 years 5 months ago
2010
Springer
We consider the Minimum Vertex Cover problem in intersection graphs of axis-parallel rectangles on the plane. We present two algorithms: The first is an EPTAS for non-crossing rect...
CCCG
1997
13 years 6 months ago
1997
Motivated by the problem of labeling maps, we investigate the problem of computing a large non-intersecting subset in a set of n rectangles in the plane. Our results are as follow...
WSCG
2003
13 years 6 months ago
2003
This paper presents a probability method for detecting people in a static image. We simplify people as a torso and four limbs. The torso is fitted by a quadrangle, and each limb i...
STACS
1990
Springer
13 years 8 months ago
1990
Springer
We consider the problem of approximating a convex gure in the plane by a pair (r; R) of homothetic (that is, similar and parallel) rectangles with r C R. We show the existenc...
COCOA
2009
Springer
13 years 9 months ago
2009
Springer
Abstract. In wireless communication networks, optimal use of the directional antenna is very important. The directional antenna coverage (DAC) problem is to cover all clients with ...
SWAT
2004
Springer
13 years 10 months ago
2004
Springer
Given a set of rectangles we are asked to pack as many of them as possible into a bigger rectangle. The rectangles packed may not overlap and may not be rotated. This problem is NP...
COCOON
2005
Springer
13 years 10 months ago
2005
Springer
Abstract. We consider the number of different ways to divide a rectangle containing n noncorectilinear points into smaller rectangles by n non-intersecting axis-parallel segments,...