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Proceedings Paper

Two migration methods based on paraxial equations in a 3D heterogeneous medium
Author(s): Eliane Becache; Francis Collino; Michel Kern; Patrick Joly
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Paper Abstract

We review recent work on paraxial equation based migration methods for 3D heterogeneous media. Two different methods are presented: one deals directly with the classical paraxial equations, by solving a linear system at each step in depth. The other method derives new paraxial equations that lend themselves to splitting in the lateral variables, without losing either accuracy or isotropy. We also show how to incorporate Berenger's perfectly matched layers in this framework. We detail the discretization schemes, both for the full paraxial equations, and for the newly derived equations.

Paper Details

Date Published: 1 September 1995
PDF: 13 pages
Proc. SPIE 2571, Mathematical Methods in Geophysical Imaging III, (1 September 1995); doi: 10.1117/12.218503
Show Author Affiliations
Eliane Becache, INRIA (France)
Francis Collino, INRIA (France)
Michel Kern, INRIA (France)
Patrick Joly, INRIA (France)


Published in SPIE Proceedings Vol. 2571:
Mathematical Methods in Geophysical Imaging III
Siamak Hassanzadeh, Editor(s)

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