2009
DOI: 10.1190/1.3250203
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Application of the finite-difference contrast-source inversion algorithm to seismic full-waveform data

Abstract: We have applied the finite-difference contrast-source inversion ͑FDCSI͒ method to seismic full-waveform inversion problems. The FDCSI method is an iterative nonlinear inversion algorithm. However, unlike the nonlinear conjugate gradient method and the Gauss-Newton method, FDCSI does not solve any full forward problem explicitly in each iterative step of the inversion process. This feature makes the method very efficient in solving large-scale computational problems. It is shown that FDCSI, with a significant l… Show more

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Cited by 77 publications
(53 citation statements)
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“…The source compression would provide a linear speedup for all non-linear inversion methods such as the (preconditioned) nonlinear conjugate gradient (CG) method (see Pratt (1999); Shin et al (2001); Operto et al (2007); Vigh and Starr (2008); Hu et al (2009a)), the contrast source inversion (CSI) method (see Abubakar et al (2003Abubakar et al ( , 2009)) or the Gauss-Newton method (see Pratt et al (1998);Hu et al (2009b)). The speedup factor would be of the order of N S /L.…”
Section: Theorymentioning
confidence: 99%
See 1 more Smart Citation
“…The source compression would provide a linear speedup for all non-linear inversion methods such as the (preconditioned) nonlinear conjugate gradient (CG) method (see Pratt (1999); Shin et al (2001); Operto et al (2007); Vigh and Starr (2008); Hu et al (2009a)), the contrast source inversion (CSI) method (see Abubakar et al (2003Abubakar et al ( , 2009)) or the Gauss-Newton method (see Pratt et al (1998);Hu et al (2009b)). The speedup factor would be of the order of N S /L.…”
Section: Theorymentioning
confidence: 99%
“…In the last decades, developments in the numerical computation techniques have motivated research on the full-waveform inversion (FWI) approaches for geophysical applications (Pratt et al (1998); Shin et al (2001); Abubakar et al (2003); Operto et al (2007); Vigh and Starr (2008); Hu et al (2009b); Abubakar et al (2009)). In FWI seismic inversion, one usually deals with a large size data set.…”
Section: Introductionmentioning
confidence: 99%
“…To reduce the computational cost, Abubakar et al . () introduced the so‐called contrast source inversion (CSI) method, where the need to perform a full forward simulation at each iteration is eliminated. A drawback of the CSI method is that its convergence properties for strongly scattering media are sometimes unsatisfactory and difficult to analyse (Wiik et al .…”
Section: Introductionmentioning
confidence: 99%
“…There is already a wealth of publications on this approach in the seismic and electromagnetic literature. See for instance Zhdanov, 2002;Abubakar et al, 2009;Gisolf and Verschuur, 2010. At each gridpoint, the contrast acts as a point scatterer in the background medium, generally referred to as a "contrast source" (see above references).…”
Section: S46mentioning
confidence: 99%
“…(Figure 4). It is important to realize that this inversion process is very elaborate as it solves a volume integral equation of the second kind (Zhdanov, 2002;Abubakar et al, 2009). Later in this paper, I will propose a recursive alternative, referred to as WFI, that is based on solving the integral equation per depth layer.…”
Section: S46mentioning
confidence: 99%