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Source localization based on symmetrical MUSIC and its statistical performance analysis
2013
Science China Information Sciences
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It is also indicated by further analysis that the new technique shows an improved resolution for closely-spaced sources over the standard MUSIC, and the relationship between S-MUSIC and the standard MUSIC ...
The statistical performance of S-MUSIC is studied and a close-form expression for the MSEs (mean square errors) of DOA estimation by the proposed estimator is derived. ...
Statistical performance analysis We study the statistical performance of S-MUSIC based on the theory of subspace perturbation [15, 21] . ...
doi:10.1007/s11432-013-4841-6
fatcat:n4y536uitrauvi2xznlb54746q
Microphone Array Speech Processing
2010
EURASIP Journal on Advances in Signal Processing
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Those techniques are less reliant on array model and localization, but more on the statistical properties of speech signals such as sparseness, non-Gaussianity, and non-stationarity. ...
It is thus important to provide new insights into those phenomena particularly the so called musical noise [5] . Finally, new and unusual use of microphone arrays is always interesting to see. ...
"Musical noise analysis in methods of integrating microphone array and spectral subtraction based on higher-order statistics" [5] , an objective analysis on musical noise is conducted. ...
doi:10.1155/2010/694216
fatcat:bgbyup77lvgy3fhwk7sgrbxg7y
Distinct neural responses to chord violations: A multiple source analysis study
2011
Brain Research
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EEG was recorded and multiple source analysis was performed. ...
We found that the dominant cortical sources for the ERAN were localized around Broca's area and its right homolog, whereas the MMN generators were localized around the primary auditory cortex. ...
Ulla and Mogens Folmer Andersens Fond. ...
doi:10.1016/j.brainres.2011.02.089
pmid:21382359
fatcat:mvlcedz3dzbffmumxjwmp5e6mm
Brain Source Localization Using a Fourth-Order Deflation Scheme
2008
IEEE Transactions on Biomedical Engineering
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The FO-D-MUSIC method is based on i) the separability of the data transfer matrix as a function of location and orientation parameters, ii) the Fourth Order (FO) virtual array theory, and iii) the deflation ...
This method named FO-D-MUSIC allows for localization of brain current sources with unconstrained orientations from surface electro-or magnetoencephalographic data using spherical or realistic head geometries ...
His research interests include Multilinear Algebra and High-Order Statistics in order to perform Independent Component Analysis (ICA) and source localization. ...
doi:10.1109/tbme.2007.905408
pmid:18269984
pmcid:PMC2267684
fatcat:asgirdstbjf3zmrb5xztmysevi
Estimation of directions of arrival of multiple scattered sources
2001
IEEE Transactions on Signal Processing
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Despite its simplicity, the AR-based estimator is shown to possess performance that is nearly as good as that of the covariance matching method. ...
We consider the problem of estimating the directions of arrival (DOA) of multiple sources in the presence of local scattering. ...
Notice that both root-MUSIC and DISPARE perform very poorly when the sources have unequal powers; the proposed AR estimator continues to perform well. ...
doi:10.1109/78.960395
fatcat:qz3bkk362jelnbjwp2dxracmi4
The EAR Project
2010
Journal of the Robotics Society of Japan
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The strategy [4], based on modal analysis and convex optimization, solves these problems at it enables the array azimuthal focusing onto a broadband source of known range while restricting the array white ...
Localization is performed using the MUSIC method outlined in section 3. 2. As four beamspaces are used, up to three sources can be simultaneously localized. ...
Julien Bonnal Julien Bonnal graduated in Computer Science and Signal Processing. He is preparing a Ph.D thesis on robot audition at LAAS-CNRS, Toulouse, France. ...
doi:10.7210/jrsj.28.10
fatcat:n2gbmkucn5h4rkuqvd3pgk6osi
A Novel Sparse Array for Localization of Mixed Near-Field and Far-Field Sources
2021
International Journal of Antennas and Propagation
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Then, we can estimate the range of the near-field source in the mixed source using a one-dimensional spectral search through estimated DOAs, and in the mixed sources, the near-field and far-field sources ...
Numerical simulation results demonstrate that the proposed array showed an outstanding performance under estimation accuracy and resolution ability for both DOA and range estimation compared with existing ...
Some algorithms based on nested array for mixed sources localization have been developed. ...
doi:10.1155/2021/3960361
fatcat:ysl6zj4z55etvkvyegyw7occce
A Tutorial on Independent Component Analysis
[article]
2014
arXiv
pre-print
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Independent component analysis (ICA) has become a standard data analysis technique applied to an array of problems in signal processing and machine learning. ...
This tutorial provides an introduction to ICA based on linear algebra formulating an intuition for ICA from first principles. ...
Lyu and Simoncelli (2009) provide a tremendous discussion on the statistics of ICA and its relationship to natural signal statistics. ...
arXiv:1404.2986v1
fatcat:luui73j46zetjob5m4y3ags6ai
A Review on Machine Learning for Audio Applications
2021
Journal of University of Shanghai for Science and Technology
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It deals with the manipulation of the audio signals to achieve a task like filtering, data compression, speech processing, noise suppression, etc. which improves the quality of the audio signal. ...
There is a need for machine learning or deep learning algorithms which can be implemented so that the audio signal processing can be achieved with good results and accuracy. ...
The trials were carried out in two stages, based on the feature statistics acquired. ...
doi:10.51201/jusst/21/06508
fatcat:iwj523grmnfm3awyiks6ebncgm
MEG Source Localization Using Invariance of Noise Space
2013
PLoS ONE
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We compare INN with classical MUSIC, RAP-MUSIC, and beamformer approaches using simulated data while varying signal-to-noise ratios as well as distance and temporal correlation between two sources. ...
In all cases, INN performed well, especially when the sources were closely spaced, highly correlated, or one source was considerably stronger than the other. ...
Fa-Hsuan Lin and the anonymous reviewer for valuable comments on this manuscript.
Author Contributions ...
doi:10.1371/journal.pone.0058408
pmid:23505502
pmcid:PMC3591341
fatcat:m7dtgq23and4tj5utfrnkgjp4m
Neural silences can be localized rapidly using noninvasive scalp EEG
2021
Communications Biology
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of EEG recordings (13, 2, and 11mm vs. 25, 62, and 53 mm), as well for 100 different simulated regions of silence based on a real human head model (12 ± 0.7 mm vs. 54 ± 2.2 mm). ...
detection and localization of regions of silence in the brain using a relatively small amount of EEG data. ...
Data availability The anonymized raw EEG dataset and MRI scans (shown in Fig. 2 ) of the participants in this research are made available online on KiltHub, Carnegie Mellon University's online data repository ...
doi:10.1038/s42003-021-01768-0
pmid:33785813
pmcid:PMC8010113
fatcat:4jksm2uga5hjjeeen6tgtdg5va
Computationally efficient near-field source localization using third-order moments
2014
EURASIP Journal on Advances in Signal Processing
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In this paper, a third-order moment-based estimation of signal parameters via rotational invariance techniques (ESPRIT) algorithm is proposed for passive localization of near-field sources. ...
Compared with the high-order ESPRIT method, the proposed algorithm requires a lower computational burden, and it avoids the parameter-match procedure. ...
In Section 3, an efficient third-order momentbased ESPRIT algorithm is proposed to deal with the nearfield source localization problem, and the performance analysis of the proposed algorithm is also addressed ...
doi:10.1186/1687-6180-2014-98
fatcat:xvpbinmo7fh5hg545wth7h2mza
Source Localization of EM Waves in the Near-Field of Spherical Antenna Array in the Presence of Unknown Mutual Coupling
2021
Wireless Communications and Mobile Computing
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For ground truth performance evaluation of the SH features within the context of NF localization, a numerical experiment is conducted and measured data were used for analysis to incorporate the MC and ...
However, near-field (NF) source localization of signals has hitherto not been investigated effectively using SAA in the presence of mutual coupling (MC). ...
Moreover, near-field source localization has been dealt with in different angles using source non-circularity and based on the virtual ESPRIT idea [26] , symmetric subarrays [27] , two-level nested arrays ...
doi:10.1155/2021/3237219
fatcat:rdusecgmgrfgbkpmatx54p4suu
Enhanced Bleedthrough Correction For Early Music Documents With Recto-Verso Registration
2008
Zenodo
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In our earlier experiments [4] , it was the only locally adaptive algorithm to perform well for music documents. ...
Based on the success of the KL-based thresholding algorithms for music images, however, we replaced the sum-of-squares error metric used in [8] and [11] with symmetrized KL divergence. ...
doi:10.5281/zenodo.1417234
fatcat:hjoe7ymjdzgstlajfgglaus23i
Subspace analysis of spatial time-frequency distribution matrices
2001
IEEE Transactions on Signal Processing
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We develop the analysis and statistical properties of the subspace estimates based on STFDs for frequency modulated (FM) sources. ...
The paper considers the MUSIC technique to demonstrate the advantages of STFDs and uses it as grounds for comparison between time-frequency and conventional subspace estimates. ...
Yang of ATR Adaptive Communications Research Laboratories, Japan, for his helpful discussions on this subject during his visit to Villanova University. ...
doi:10.1109/78.912919
fatcat:oyvdrnqqfrcofohx6yrg22bxfm
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