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CISS
2008
IEEE
15 years 6 months ago
Detection of anomalous meetings in a social network
Abstract-- When monitoring interactions within a social network, meetings or contacts between different members of the network are recorded. This paper addresses the problem of usi...
Jorge Silva, Rebecca Willett
GLOBECOM
2008
IEEE
15 years 6 months ago
Power Allocation for Cognitive Radios Based on Primary User Activity in an OFDM System
Efficient and reliable power allocation algorithm in Cognitive radio (CR) networks is a challenging problem. Traditional water-filling algorithm is inefficient for CR networks due ...
Ziaul Hasan, Ekram Hossain, Charles L. Despins, Vi...
CAD
2008
Springer
15 years 6 months ago
Geometrically exact dynamic splines
In this paper, we propose a complete model handling the physical simulation of deformable 1D objects. We formulate continuous expressions for stretching, bending and twisting ener...
Adrien Theetten, Laurent Grisoni, Claude Andriot, ...
CG
2008
Springer
15 years 6 months ago
Fast, parallel, and asynchronous construction of BVHs for ray tracing animated scenes
Recent developments have produced several techniques for interactive ray tracing of dynamic scenes. In particular, bounding volume hierarchies (BVHs) are efficient acceleration st...
Ingo Wald, Thiago Ize, Steven G. Parker
CGA
2008
15 years 6 months ago
Virtual Classroom Extension for Effective Distance Education
We present the design, implementation, and initial results of a system for remote lecture attendance based on extending on-campus classrooms to accommodate remotely located studen...
Radu Dondera, Chun Jia, Voicu Popescu, Cristina Ni...