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Curvelet imaging and processing : an overview

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Title: Curvelet imaging and processing : an overview
Author: Herrmann, Felix J.
Subject Keywords curvelets;contourlets;non-linear estimation;sparseness-constrained least-squares migration;seismic processing;seismic imaging;ground roll;directional basis functions;4d difference cubes
Issue Date: 2004
Publicly Available in cIRcle 2008-02-28
Publisher Canadian Society of Exploration Geophysicists
Citation: Herrmann, Felix. J. 2004 Curvelet imaging and processing : an overview. CSEG National Convention.
Abstract: In this paper an overview is given on the application of directional basis functions, known under the name Curvelets/Contourlets, to various aspects of seismic processing and imaging. Key concepts in the approach are the use of (i) that localize in both domains (e.g. space and angle); (ii) non-linear estimation, which corresponds to localized muting on the coefficients, possibly supplemented by constrained optimization (iii) invariance of the basis functions under the imaging operators. We will discuss applications that include multiple and ground roll removal; sparseness-constrained least-squares migration and the computation of 4-D difference cubes.
Affiliation: Earth and Ocean Sciences, Dept. of (EOS), Dept of
URI: http://hdl.handle.net/2429/506
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