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ICASSP
2011
IEEE
8 years 10 months ago
A robust clock synchronization algorithm for wireless sensor networks
Recently, the maximum likelihood estimator (MLE) and Cramer-Rao Lower Bound (CRLB) were proposed with the goal of maximizing and assessing the synchronization accuracy in wireless...
Jang-Sub Kim, Jaehan Lee, Erchin Serpedin, Khalid ...
ICASSP
2011
IEEE
8 years 10 months ago
Time-to-Onset latency in fMRI: Fast detection of delayed activation
A standard fMRI experiment is structured around the assumption that onset of relevant neural activity occurs almost immediately after external stimulus. Introducing deliberate len...
Victor Solo, Ben Cassidy, Christopher J. Long, Car...
ICASSP
2011
IEEE
8 years 10 months ago
Multi-channel EEG compression based on matrix and tensor decompositions
Compression schemes for EEG signals are developed based on matrix and tensor decomposition. Various ways to arrange EEG signals into matrices and tensors are explored, and several...
Justin Dauwels, K. Srinivasan, M. Ramasubba Reddy,...
ICASSP
2011
IEEE
8 years 10 months ago
Adapting acoustic and lexical models to dysarthric speech
Dysarthria is a motor speech disorder resulting from neurological damage to the part of the brain that controls the physical production of speech and is, in part, characterized by...
Kinfe Tadesse Mengistu, Frank Rudzicz
ICASSP
2011
IEEE
8 years 10 months ago
Toward text message normalization: Modeling abbreviation generation
This paper describes a text normalization system for deletion-based abbreviations in informal text. We propose using statistical classifiers to learn the probability of deleting ...
Deana Pennell, Yang Liu
ICASSP
2011
IEEE
8 years 10 months ago
New results on adaptive computational resource allocation in soft MIMO detection
The fundamental problem of our interest is soft MIMO detection for the case of block fading, i.e., when the transmitted codeword spans over several independent channel realization...
Mirsad Cirkic, Daniel Persson, Erik G. Larsson
ICASSP
2011
IEEE
8 years 10 months ago
Exploiting multipath for blind source separation with sensor arrays
The problem of blind source separation by spatial processing is considered for convolutive mixtures of narrowband sources received by a sensor array. Multipath propagation is due ...
Giuseppe A. Fabrizio, Alfonso Farina
ICASSP
2011
IEEE
8 years 10 months ago
Decentralized support detection of multiple measurement vectors with joint sparsity
This paper considers the problem of finding sparse solutions from multiple measurement vectors (MMVs) with joint sparsity. The solutions share the same sparsity structure, and th...
Qing Ling, Zhi Tian
ICASSP
2011
IEEE
8 years 10 months ago
Coding of unquantized spectrum sub-bands in superwideband audio codecs
We present several new methods for coding of spectrum coefficients in embedded audio codecs. In audio codecs, the spectrum is often divided in sub-bands, and quantized using a vec...
Vaclav Eksler, Milan Jelinek
ICASSP
2011
IEEE
8 years 10 months ago
Generalized low-rank decompositions with switching and adaptive algorithms for space-time adaptive processing
This work presents generalized low-rank signal decompositions with the aid of switching techniques and adaptive algorithms, which do not require eigen-decompositions, for space-ti...
Rodrigo C. de Lamare
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