Sciweavers

ISBI
2011
IEEE
13 years 3 months ago
Hierarchical clustering of the genetic connectivity matrix reveals the network topology of gene action on brain microstructure:
Genetic correlation (rg) analysis determines how much of the correlation between two measures is due to common genetic influences. In an analysis of 4 Tesla diffusion tensor image...
Ming-Chang Chiang, Marina Barysheva, Katie McMahon...
CSC
2010
13 years 9 months ago
Efficiency in Computing Correlation Matrix of Wavelet Coefficients by Exploiting Index Structure
Correlation matrices are ubiquitous throughout signal processing, networking and in many areas of science. However, our study of the literature found that there is limited research...
Claude Turner
TSP
2008
97views more  TSP 2008»
13 years 11 months ago
Correlation Matching Approaches for Blind OSTBC Channel Estimation
Abstract--In this paper, the problem of blind channel estimation under orthogonal space
Javier Vía, Ignacio Santamaría
TCOM
2008
82views more  TCOM 2008»
13 years 11 months ago
Detecting the number of signals in wireless DS-CDMA networks
In this paper, a new information theoretic algorithm is proposed for signal enumeration in DS-CDMA networks. The approach is based on the predictive description length (PDL) of the...
Shahrokh Valaee, Shahram Shahbazpanahi
SIBGRAPI
2006
IEEE
14 years 5 months ago
Increasing statistical power in medical image analysis
In this paper, we present a novel method for estimating the effective number of independent variables in imaging applications that require multiple hypothesis testing. The method ...
Alexei Manso Correa Machado
CISS
2007
IEEE
14 years 5 months ago
Estimation of block-fading channels with reduced-rank correlation matrix
— In block-fading transmission, the discrete-time taps of time-varying channels can be generally modelled as a stationary random vector process with unknown and rank-deficient c...
Osvaldo Simeone, Umberto Spagnolini
WCNC
2008
IEEE
14 years 5 months ago
Subspace Blind MIMO-OFDM Channel Estimation with Short Averaging Periods: Performance Analysis
—Among all blind channel estimation problems, subspace-based algorithms are attractive due to its fastconverging nature. It primarily exploits the orthogonality structure of the ...
Chao-Cheng Tu, Benoît Champagne
VTC
2008
IEEE
146views Communications» more  VTC 2008»
14 years 5 months ago
A Frequency-Domain Correlation Matrix Estimation Algorithm for MIMO-OFDM Channel Estimation
— The second-order statistics of a time-domain signal are very often used in blind and semi-blind channel estimation. Considering that the received signal in MIMO-OFDM systems mi...
Feng Wan, Wei-Ping Zhu, M. N. S. Swamy