13 search results - page 3 / 3 » Visibility Queries in Simple Polygons and Applications |
COMPGEOM
1994
ACM
13 years 10 months ago
1994
ACM
Let F be a collection of n d-variate, possibly partially defined, functions, all algebraic of some constant maximum degree. We present a randomized algorithm that computes the vert...
PG
2003
IEEE
13 years 11 months ago
2003
IEEE
In this paper we revisit the cells-and-portals visibility methods, originally developed for the special case of architectural interiors. We define an effectiveness measure for a ...
PERCOM
2005
ACM
14 years 5 months ago
2005
ACM
The Session Initiation Protocol (SIP) has been widely adopted for Instant Messaging (IM) and VoIP telephony both by the enterprise and in service provider systems. Till now, SIP f...