Sciweavers

391 search results - page 56 / 79
» Optimal Approximation of Signal Priors
Sort
View
IJBRA
2008
66views more  IJBRA 2008»
13 years 8 months ago
Integer programming-based approach to allocation of reporter genes for cell array analysis
Abstract Observing behaviors of protein pathways and genetic networks under various environments in living cells is essential for unraveling disease and developing drugs. For that ...
Morihiro Hayashida, Fuyan Sun, Sachiyo Aburatani, ...
JMLR
2010
195views more  JMLR 2010»
13 years 7 months ago
Online Learning for Matrix Factorization and Sparse Coding
Sparse coding—that is, modelling data vectors as sparse linear combinations of basis elements—is widely used in machine learning, neuroscience, signal processing, and statisti...
Julien Mairal, Francis Bach, Jean Ponce, Guillermo...
GECCO
2008
Springer
175views Optimization» more  GECCO 2008»
13 years 10 months ago
Using differential evolution for symbolic regression and numerical constant creation
One problem that has plagued Genetic Programming (GP) and its derivatives is numerical constant creation. Given a mathematical formula expressed as a tree structure, the leaf node...
Brian M. Cerny, Peter C. Nelson, Chi Zhou
ICC
2008
IEEE
171views Communications» more  ICC 2008»
14 years 3 months ago
On the Capacity of Training-Based Transmissions with Input Peak Power Constraints
— 1 In this paper, training-based transmissions over a priori unknown Rayleigh block fading channels are considered. The input signals are assumed to be subject to peak power con...
Mustafa Cenk Gursoy
TSP
2008
90views more  TSP 2008»
13 years 8 months ago
Generalized Correlation Decomposition-Based Blind Channel Estimation in DS-CDMA Systems With Unknown Wide-Sense Stationary Noise
A new blind subspace-based channel estimation technique is proposed for direct-sequence code-division multiple access (DS-CDMA) systems operating in the presence of unknown wide-se...
Keyvan Zarifi, Alex B. Gershman