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Iterative resolution estimation in least-squares Kirchhoff migration (2002)

Fomel, Sergey ; Berryman, James G. ; Clapp, Robert G. ; [et al.]

Oxford, UK : Blackwell Science Ltd

Geophysical prospecting 50 (2002), S. 0

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ISSN: 1365-2478

Source: Blackwell Publishing Journal Backfiles 1879-2005

Topics: Geosciences , Physics

Notes: We apply iterative resolution estimation to least-squares Kirchhoff migration. Reviewing the theory of iterative optimization uncovers the common origin of different optimization methods. This allows us to reformulate the pseudo-inverse, model resolution and data resolution operators in terms of effective iterative estimates. When applied to Kirchhoff migration, plots of the diagonal of the model resolution matrix reveal low illumination areas on seismic images and provide information about image uncertainties. Synthetic and real data examples illustrate the proposed technique and confirm the theoretical expectations.

Type of Medium: Electronic Resource

URL: http://dx.doi.org/10.1046/j.1365-2478.2002.00341.x

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