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| Titel |
Seismic entangled patterns analyzed via multiresolution decomposition |
| VerfasserIn |
F. E. A. Leite, R. Montagne, G. Corso, L. S. Lucena |
| Medientyp |
Artikel
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| Sprache |
Englisch
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| ISSN |
1023-5809
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| Digitales Dokument |
URL |
| Erschienen |
In: Nonlinear Processes in Geophysics ; 16, no. 2 ; Nr. 16, no. 2 (2009-03-26), S.211-217 |
| Datensatznummer |
250013132
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| Publikation (Nr.) |
 copernicus.org/npg-16-211-2009.pdf |
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| Zusammenfassung |
| This article explores a method for distinguishing entangled coherent
structures embedded in geophysical images. The original image is decomposed
in a series of j-scale-images using multiresolution decomposition. To improve
the image processing analysis each j-image is divided in l-spacial regions
generating set of (j, l)-regions. At each (j, l)-region we apply a
continuous wavelet transform to evaluate Eν, the spectrum of energy.
Eν has two maxima in the original data. Otherwise, at each scale Eν
hast typically one peak. The localization of the peaks changes according to
the (j, l)-region. The intensity of the peaks is linked with the presence of
coherent structures, or patterns, at the respective (j, l)-region. The
method is successfully applied to distinguish, in scale and region, the
ground roll noise from the relevant geologic information in the signal. |
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