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ISVC
2007
Springer
14 years 1 months ago
Fast kd -Tree Construction for 3D-Rendering Algorithms Like Ray Tracing
Many computer graphics rendering algorithms and techniques use ray tracing for generation of natural and photo-realistic images. The efficiency of the ray tracing algorithms depend...
Sajid Hussain, Håkan Grahn
ICPPW
2007
IEEE
14 years 1 months ago
P2P Live Streaming with Tree-Mesh based Hybrid Overlay
P2P technology has been widely adopted in live streaming system for its scalability and low commercial cost. However, tree based system or mesh based system still has to face the ...
Qi Huang, Hai Jin, Xiaofei Liao
ICANNGA
2007
Springer
100views Algorithms» more  ICANNGA 2007»
13 years 11 months ago
Softening Splits in Decision Trees Using Simulated Annealing
Predictions computed by a classification tree are usually constant on axis-parallel hyperrectangles corresponding to the leaves and have strict jumps on their boundaries. The densi...
Jakub Dvorák, Petr Savický
IJNSEC
2008
75views more  IJNSEC 2008»
13 years 7 months ago
A Key Management Scheme for Hierarchical Access Control in Group Communication
In group communication, users often have different access rights to multiple data streams. Based on the access relation of users and data streams, users can form partially ordered...
Qiong Zhang, Yuke Wang, Jason P. Jue
SAC
2004
ACM
14 years 1 months ago
Forest trees for on-line data
This paper presents an hybrid adaptive system for induction of forest of trees from data streams. The Ultra Fast Forest Tree system (UFFT) is an incremental algorithm, with consta...
João Gama, Pedro Medas, Ricardo Rocha