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JOI
2007
99views more  JOI 2007»
9 years 6 months ago
Measuring quality of similarity functions in approximate data matching
This paper presents a method for assessing the quality of similarity functions. The scenario taken into account is that of approximate data matching, in which it is necessary to d...
Roberto da Silva, Raquel Kolitski Stasiu, Viviane ...
TSP
2008
106views more  TSP 2008»
9 years 6 months ago
An EM Algorithm for Ion-Channel Current Estimation
Parameter estimation of a continuous-time Markov chain observed through a discrete-time memoryless channel is studied. An expectation-maximization (EM) algorithm for maximum likeli...
William J. J. Roberts, Yariv Ephraim
JCB
2007
198views more  JCB 2007»
9 years 6 months ago
Bayesian Hierarchical Model for Large-Scale Covariance Matrix Estimation
Many bioinformatics problems can implicitly depend on estimating large-scale covariance matrix. The traditional approaches tend to give rise to high variance and low accuracy esti...
Dongxiao Zhu, Alfred O. Hero III
TIP
2008
107views more  TIP 2008»
9 years 6 months ago
Sampling-Based Correlation Estimation for Distributed Source Coding Under Rate and Complexity Constraints
In many practical distributed source coding (DSC) applications, correlation information has to be estimated at the encoder in order to determine the encoding rate. Coding efficien...
Ngai-Man Cheung, Huisheng Wang, Antonio Ortega
TCOM
2008
65views more  TCOM 2008»
9 years 6 months ago
Frequency offset estimation for MB-OFDM-based UWB systems
Abstract-- We address low-complexity, highly-accurate frequency offset estimation for MB-OFDM-based UWB systems. We discuss unique characteristics of the MB-OFDM systems, namely, d...
Yinghui Li, Hlaing Minn, Trent Jacobs, Moe Z. Win
NECO
2006
118views more  NECO 2006»
9 years 6 months ago
Consistency of Pseudolikelihood Estimation of Fully Visible Boltzmann Machines
Boltzmann machine is a classic model of neural computation, and a number of methods have been proposed for its estimation. Most methods are plagued by either very slow convergence...
Aapo Hyvärinen
JSAC
2006
121views more  JSAC 2006»
9 years 6 months ago
Code-aided ML joint synchronization and channel estimation for downlink MC-CDMA
Abstract--In this paper, we present a novel code-aided joint synchronization and channel estimation algorithm for downlink multicarrier code-division multiple access. The expectati...
Mamoun Guenach, Henk Wymeersch, Heidi Steendam, Ma...
JSAC
2006
133views more  JSAC 2006»
9 years 6 months ago
Code-aided joint channel and frequency offset estimation for DS-CDMA
This paper deals with joint data detection, synchronization and channel parameter estimation for Direct-Sequence Code Division Multiple Access (DS-CDMA) systems over frequency sel...
Mamoun Guenach, Frederik Simoens, Henk Wymeersch, ...
JNW
2006
131views more  JNW 2006»
9 years 7 months ago
Localized Recursive Estimation in Energy Constrained Wireless Sensor Networks
Abstract-- This paper proposes a localized recursive estimation scheme for parameter estimation in wireless sensor networks. Given any parameter of a target occurring at some locat...
Bang Wang, Kee Chaing Chua, Vikram Srinivasan
JSAC
2008
85views more  JSAC 2008»
9 years 7 months ago
A distributed minimum variance estimator for sensor networks
A distributed estimation algorithm for sensor networks is proposed. A noisy time-varying signal is jointly tracked by a network of sensor nodes, in which each node computes its es...
Alberto Speranzon, Carlo Fischione, Karl Henrik Jo...
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