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Volume 26 Issue 4
Aug 2015
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Yujin Liu, Zhenchun Li. Multiscale stategies in automatic image-domain waveform tomography. Journal of Earth Science, 2015, 26(4): 577-585. doi: 10.1007/s12583-015-0570-7
Citation: Yujin Liu, Zhenchun Li. Multiscale stategies in automatic image-domain waveform tomography. Journal of Earth Science, 2015, 26(4): 577-585. doi: 10.1007/s12583-015-0570-7

Multiscale stategies in automatic image-domain waveform tomography

doi: 10.1007/s12583-015-0570-7
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  • Corresponding author: Yujin Liu, einsteinliu@126.com
  • Received Date: 31 Aug 2014
  • Accepted Date: 02 Mar 2015
  • Publish Date: 12 Aug 2015
  • Multiscale strategies are very important in the successful application of waveform-based velocity inversion. The strategy that sequentially preceeds from long to short scale of velocity model, has been well developed in full waveform inversion (FWI) to solve the local mininum problem. In contrast, it's not well understood in the image-domain waveform tomography (IWT), which back-projects incoherent waveform components of the common image gather into velocity updates. IWT is less prone to local minimum problem but tends to build long-scale model with low resolution. In order to build both long- and short-scale model by IWT, we discuss several multiscale strategies restricted in the image domain. The strategies include model reparameterization, objective function switching and gradient rescaling. Numerical tests on Marmsousi model and real data demonstrate that our proposed multiscale IWT is effective in buidling velocity model with wide wavenumber spectrum.

     

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  • Biondi, B., Almomin, A., 2014. Simultaneous Inversion of Full Data Bandwidth by Tomographic Full-Waveform Inversion. Geophysics, 79(3): WA129-WA140. doi: 10.1190/geo2013-0340.1
    Bunks, C., Saleck, F. M., Zaleski, S., et al., 1995. Multiscale Seismic Waveform Inversion. Geophysics, 60(5): 1457-1473. doi: 10.1190/1.1443880
    Cao, H. M., Xie, J., Kim, Y., et al., 2008. Multiscale Migration Tomography to Constrain Depth-Imaging Artifacts. Geophysics, 73(5): VE217-VE222. doi: 10.1190/1.2953088
    Chavent, G., Jacewitz, C. A., 1995. Determination of Background Velocities by Multiple Migration Fitting. Geophysics, 60(2): 476-490. doi: 10.1190/1.1443785
    Dierckx, P., 1993. Curve and Surface Fitting with Splines. Oxford University Press, New York. 304
    Liu, Y., William, W., Li, Z., 2013. Multisource Least-Squares Extended Reverse-Time Migration with Preconditioning Guided Gradient Method. SEG Technical Program Expanded Abstracts 2013. doi: 10.1190/segam2013-1251.1
    Mora, P., 1989. Inversion=Migration+Tomography. Geophysics, 54(12): 1575-1586. doi: 10.1190/1.1442625
    Rickett, J. E., Sava, P. C., 2002. Offset and Angle—Domain Common Image—Point Gathers for Shot-Profile Migration. Geophysics, 67(3): 883-889. doi: 10.1190/1.1484531
    Sava, P. C., Biondi, B., 2004. Wave-Equation Migration Velocity Analysis. I. Theory. Geophysical Prospecting, 52(6): 593-606. doi: 10.1111/j.1365-2478.2004.00447.x
    Sava, P. C., Fomel, S., 2003. Angle—Domain Common— Image Gathers by Wavefield Continuation Methods. Geophysics, 68(3): 1065-1074. doi: 10.1190/1.1581078
    Shen, P., Symes, W. W., 2008. Automatic Velocity Analysis via Shot Profile Migration. Geophysics, 73(5): VE49-VE59. doi: 10.1190/1.2972021
    Soubaras, R., Gratacos, B., 2007. Velocity Model Building by Semblance Maximization of Modulated-Shot Gathers. Geophysics, 72(5): U67-U73. doi: 10.1190/1.2743612
    Stork, C., 1992. Reflection Tomography in the Postmigrated Domain. Geophysics, 57(5): 680-692. doi: 10.1190/1.1443282
    Sun, D., Symes, W. W., 2012. Waveform Inversion via Nonlinear Differential Semblance Optimization. SEG Technical Program Expanded Abstracts 2012, 1-7. doi: 10.1190/segam2012-1190.1
    Symes, W. W., 2008. Migration Velocity Analysis and Waveform Inversion. Geophysical Prospecting, 56(6): 765-790. doi: 10.1111/j.1365-2478.2008.00698.x
    Symes, W. W., Carazzone, J. J., 1991. Velocity Inversion by Differential Semblance Optimization. Geophysics, 56(5): 654-663. doi: 10.1190/1.1443082
    Toldi, J. L., 1989. Velocity Analysis without Picking. Geophysics, 54(2): 191-199. doi: 10.1190/1.1442643
    Virieux, J., Operto, S., 2009. An Overview of Full-Waveform Inversion in Exploration Geophysics. Geophysics, 74(6): WCC1-WCC26. doi: 10.1190/1.3238367
    Yang, T. N., Shragge, J., Sava, P., 2012. Illumination Compensation for Subsalt Image-Domain Wavefield Tomography. SEG Technical Program Expanded Abstracts 2012, 78: 453-457. doi: 10.1190/segam2012-0563.1
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