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Estimating the Two-Dimensional Coherence Function

Jakobsson, Andreas LU ; Alty, Stephen and Benesty, Jacob (2007) 3. p.993-996
Abstract
In this paper, we extend the one-dimensional Capon-based magnitude square coherence (MSC) spectral estimator, to form two-dimensional Capon- and APES-based MSC spectral estimators. The resulting estimators are found to yield significantly improved estimates as compared to the typical Welch-based estimator. Furthermore, we introduce a computationally efficient time-updating of the presented MSC estimators, exploiting their inherent time-varying displacement structure. The presented updating is found to dramatically lower the computational requirement of reevaluating the MSC spectral estimates
Please use this url to cite or link to this publication:
author
publishing date
type
Chapter in Book/Report/Conference proceeding
publication status
published
subject
keywords
Welch-based estimator, computationally efficient time-updating, APES-based MSC spectral estimators, two-dimensional Capon-based MSC spectral estimators, time-varying displacement structure, two-dimensional coherence function estimation, one-dimensional Capon-based spectral estimator, magnitude square coherence spectral estimator
host publication
2007 IEEE International Conference on Acoustics, Speech and Signal Processing - ICASSP '07
volume
3
pages
993 - 996
publisher
IEEE - Institute of Electrical and Electronics Engineers Inc.
external identifiers
  • scopus:34547501974
ISSN
1520-6149
language
English
LU publication?
no
id
0f99ea41-a505-4a4d-808c-cd453332d5cd (old id 1274686)
alternative location
http://ieeexplore.ieee.org/stamp/stamp.jsp?tp=&arnumber=4217879
date added to LUP
2016-04-01 17:06:05
date last changed
2019-03-08 02:34:13
@inproceedings{0f99ea41-a505-4a4d-808c-cd453332d5cd,
  abstract     = {In this paper, we extend the one-dimensional Capon-based magnitude square coherence (MSC) spectral estimator, to form two-dimensional Capon- and APES-based MSC spectral estimators. The resulting estimators are found to yield significantly improved estimates as compared to the typical Welch-based estimator. Furthermore, we introduce a computationally efficient time-updating of the presented MSC estimators, exploiting their inherent time-varying displacement structure. The presented updating is found to dramatically lower the computational requirement of reevaluating the MSC spectral estimates},
  author       = {Jakobsson, Andreas and Alty, Stephen and Benesty, Jacob},
  booktitle    = {2007 IEEE International Conference on Acoustics, Speech and Signal Processing - ICASSP '07},
  issn         = {1520-6149},
  language     = {eng},
  pages        = {993--996},
  publisher    = {IEEE - Institute of Electrical and Electronics Engineers Inc.},
  title        = {Estimating the Two-Dimensional Coherence Function},
  url          = {https://lup.lub.lu.se/search/ws/files/4874912/1274687.pdf},
  volume       = {3},
  year         = {2007},
}