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TMI
2008
127views more  TMI 2008»
13 years 10 months ago
Restoration of DWI Data Using a Rician LMMSE Estimator
Abstract--This paper introduces and analyzes a linear minimum mean square error (LMMSE) estimator using a Rician noise model and its recursive version (RLMMSE) for the restoration ...
Santiago Aja-Fernández, Marc Niethammer, Ma...
ICC
2007
IEEE
114views Communications» more  ICC 2007»
14 years 4 months ago
Downlink MC-2D-CDMA over Time-Variant Frequency-Selective Rayleigh Fading Channels
Abstract— In this paper, the performance of a downlink synchronous MC-CDMA system with joint frequency-time domain spreading over time-variant frequency-selective Rayleigh fading...
Rui Fa, Bayan S. Sharif, Charalampos Tsimenidis
ICASSP
2011
IEEE
13 years 1 months ago
Objective evaluation of the Dynamic Model Selection method for spectral voice conversion
Spectral voice conversion is usually performed using a single model selected in order to represent a tradeoff between goodness of fit and complexity. Recently, we proposed a new ...
Pierre Lanchantin, Xavier Rodet
ICRA
2006
IEEE
131views Robotics» more  ICRA 2006»
14 years 4 months ago
Using Reinforcement Learning to Improve Exploration Trajectories for Error Minimization
Abstract— The mapping and localization problems have received considerable attention in robotics recently. The exploration problem that drives mapping has started to generate sim...
Thomas Kollar, Nicholas Roy
TVLSI
2010
13 years 4 months ago
Computation Error Analysis in Digital Signal Processing Systems With Overscaled Supply Voltage
It has been recently demonstrated that digital signal processing systems may possibly leverage unconventional voltage overscaling (VOS) to reduce energy consumption while maintaini...
Yang Liu, Tong Zhang, Keshab K. Parhi