3D WRI

Title3D {WRI}
Publication TypeSINBAD Presentation
AuthorsBas Peters, Chen Greif, Felix J. Herrmann
PublisherSINBAD
Year of Publication2015
Abstract

The Wavefield Reconstruction Inversion (WRI) approach to seismic inversion is a topic of active research in the SLIM group. Several variants have been proposed, all of which rely on the solution of a linear least-squares problem with a Helmholtz discretization. While algorithms based on LU or QR factorization are very efficient for 2D problems, 3D problems required the development of a factorization-free iterative method. This talk introduces the current version of the algorithm, which requires significantly less memory and computation and uses existing Helmholtz solvers as an important building block. We plan to discuss early results of 3-D WRI on a small 3-D synthetic example.

KeywordsPresentation, private, SINBAD, SINBADFALL2015, SLIM
URLhttps://www.slim.eos.ubc.ca/Publications/Private/Conferences/SINBAD/2015/Fall/peters2015SINBADF3dw/peters2015SINBADF3dw.pdf
URL1

https://www.slim.eos.ubc.ca/Publications/Private/Conferences/SINBAD/2015...

Citation Keypeters2015SINBADF3dw