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ICASSP
2009
IEEE
15 years 10 months ago
Timing and frequency synchronization for OFDM based cooperative systems
In this paper, we investigate the timing and carrier frequency offset (CFO) synchronization problem in decode and forward cooperative systems operating over frequency selective ch...
Qinfei Huang, Mounir Ghogho, Jibo Wei, Philippe Ci...
SIGGRAPH
1991
ACM
15 years 10 months ago
Artificial evolution for computer graphics
CT This paper describes how evolutionary techniques of variation and selection can be used to create complex simulated structures, textures, and motions for use in computer graphic...
Karl Sims
FLAIRS
2007
15 years 9 months ago
A Generalizing Spatial Representation for Robot Navigation with Reinforcement Learning
In robot navigation tasks, the representation of the surrounding world plays an important role, especially in reinforcement learning approaches. This work presents a qualitative r...
Lutz Frommberger
EUROPAR
2008
Springer
15 years 8 months ago
A Search Engine Index for Multimedia Content
We present a distributed index data structure and algorithms devised to support parallel query processing of multimedia content in search engines. We present a comparative study wi...
Mauricio Marín, Veronica Gil Costa, Carolin...
ACL
2006
15 years 8 months ago
A Hybrid Convolution Tree Kernel for Semantic Role Labeling
A hybrid convolution tree kernel is proposed in this paper to effectively model syntactic structures for semantic role labeling (SRL). The hybrid kernel consists of two individual...
Wanxiang Che, Min Zhang, Ting Liu, Sheng Li