A graph-space approach to optimal transport for full waveform inversion

@article{Mtivier2018AGA,
  title={A graph-space approach to optimal transport for full waveform inversion},
  author={L. M{\'e}tivier and A. Allain and R. Brossier and Q. M{\'e}rigot and {\'E}. Oudet and J. Virieux},
  journal={Seg Technical Program Expanded Abstracts},
  year={2018}
}
Optimal transport distances have been recently proposed to design more convex misfit functions in the frame of full waveform inversion. The main difficulty for this strategy is the non-positivity of seismic data: the optimal transport is developed for the comparison of positive quantities. We review the proposed strategies to overcome this difficulty and put in light their limitations: in particular, those applicable to field data lose the convexity property. On this basis, we propose an… Expand
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