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PEWASUN
2005
ACM
15 years 10 months ago
Efficient deafness avoidance in wireless ad hoc and sensor networks with directional antennas
Using directional antennas in wireless ad hoc networks can significantly improve network performance. However, the deafness problem greatly limits the network performance. This pa...
Yihu Li, Ahmed M. Safwat
ICASSP
2010
IEEE
15 years 4 months ago
Efficient weighted-sum-rate maximization for a class of half-duplex cooperative systems
In many half-duplex cooperative systems, the direct formulation of the problem of finding the jointly optimal power and channel resource allocation that maximizes a weighted sum ...
Wessam Mesbah, Timothy N. Davidson
JUCS
2007
122views more  JUCS 2007»
15 years 4 months ago
Efficient Access Methods for Temporal Interval Queries of Video Metadata
: Indexing video content is one of the most important problems in video databases. In this paper we present linear time and space algorithms for handling video metadata that repres...
Spyros Sioutas, Kostas Tsichlas, Bill Vassiliadis,...
CDC
2010
IEEE
226views Control Systems» more  CDC 2010»
14 years 11 months ago
Fast primal-dual projected linear iterations for distributed consensus in constrained convex optimization
In this paper we study the constrained consensus problem, i.e. the problem of reaching a common point from the estimates generated by multiple agents that are constrained to lie in...
Ion Necoara, Ioan Dumitrache, Johan A. K. Suykens
VMV
2001
112views Visualization» more  VMV 2001»
15 years 5 months ago
Generation of Decomposition Hierarchies for Efficient Occlusion Culling of Large Polygonal Models
Efficient handling of large polygonal scenes has always been a challenging task and in recent years, view-frustum and occlusion culling have drawn a lot of attention for accomplis...
Michael Meißner, Dirk Bartz, Gordon Mül...