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Preconditioned Non-linear Conjugate Gradient Method for Seismic Full-waveform Inversion
- Publisher: European Association of Geoscientists & Engineers
- Source: Conference Proceedings, 71st EAGE Conference and Exhibition incorporating SPE EUROPEC 2009, Jun 2009, cp-127-00368
- ISBN: 978-90-73781-67-2
Abstract
We present a preconditioned non-linear conjugate gradient method as an alternative to the Gauss-Newton method for the frequency domain full-waveform seismic inversion. In this method we introduce the inverse of an approximate sparse Hessian matrix as a pr