| Title | Estimating the Two-Dimensional Coherence Function |
| Authors | Andreas Jakobsson, Stephen Alty, Jacob Benesty |
| Full-text | Available as PDF, Restricted Access |
| Alternative Location | http://ieeexplore.ieee.org/..., Restricted Access |
| Publication | 2007 IEEE International Conference on Acoustics, Speech and Signal Processing - ICASSP '07 |
| Year | 2007 |
| Volume | 3 |
| Pages | III-993 - III-996 |
| Document type | Conference paper |
| Conference name | 2007 IEEE International Conference on Acoustics, Speech and Signal Processing |
| Conference Date | 2007-04-15 |
| Conference Location | Honolulu |
| Status | Published |
| Quality controlled | Yes |
| Language | eng |
| Publisher | IEEE |
| Abstract English | 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 |
| 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, |
| ISBN/ISSN/Other | ISSN: 15206149 |
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