121 search results - page 14 / 25 » A bound on the number of points of a plane curve |
CCCG
2010
13 years 8 months ago
2010
We present a data structure for efficient axis-aligned orthogonal range search on a set of n lines in a bounded plane. The algorithm requires O(log n + k) time in the worst case t...
COMPGEOM
2007
ACM
13 years 11 months ago
2007
ACM
We prove an optimal generalization of the centerpoint theorem: given a set P of n points in the plane, there exist two points (not necessarily among input points) that hit all con...
CGF
2011
12 years 11 months ago
2011
Diffusion curves are a powerful vector graphic representation that stores an image as a set of 2D Bezier curves with colors defined on either side. These colors are diffused over...
CGF
2006
13 years 7 months ago
2006
Spline curves are useful in a variety of geometric modeling and graphics applications and covering problems abound in practical settings. This work defines a class of covering dec...
COCOA
2009
Springer
14 years 19 hour 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 ...