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» On Multiple Linear Approximations
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ICMCS
2006
IEEE
113views Multimedia» more  ICMCS 2006»
15 years 6 months ago
Fast Multi-Reference Frame Motion Estimation via Downhill Simplex Search
Multi-reference frame motion estimation improves the accuracy of motion compensation in video compression, but it also dramatically increases computational complexity. Based on tr...
Chen-Kuo Chiang, Shang-Hong Lai
VTC
2006
IEEE
124views Communications» more  VTC 2006»
15 years 5 months ago
Accurate BER Analysis of QPSK Modulated Asynchronous DS-CDMA Systems Communicating over Rayleigh Channels
Abstract— The accurate average BER calculation of an asynchronous DS-CDMA system using random spreading sequences is studied in Rayleigh fading channels. An accurate closedform e...
Xiang Liu, Lajos Hanzo
WIRN
2005
Springer
15 years 5 months ago
Ensembles Based on Random Projections to Improve the Accuracy of Clustering Algorithms
We present an algorithmic scheme for unsupervised cluster ensembles, based on randomized projections between metric spaces, by which a substantial dimensionality reduction is obtai...
Alberto Bertoni, Giorgio Valentini
COLT
1993
Springer
15 years 4 months ago
Learning from a Population of Hypotheses
We introduce a new formal model in which a learning algorithm must combine a collection of potentially poor but statistically independent hypothesis functions in order to approxima...
Michael J. Kearns, H. Sebastian Seung
ASPDAC
2008
ACM
154views Hardware» more  ASPDAC 2008»
15 years 1 months ago
Automated techniques for energy efficient scheduling on homogeneous and heterogeneous chip multi-processor architectures
Abstract-- We address performance maximization of independent task sets under energy constraint on chip multi-processor (CMP) architectures that support multiple voltage/frequency ...
Sushu Zhang, Karam S. Chatha