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SEG Technical Program Expanded Abstracts 2015
One of the most important issues in the multi-parametric full waveform inversion (FWI) is to find an optimal parameterization, which helps us recover the subsurface anisotropic parameters as well as seismic velocities, with minimal tradeoff. As a result, we analyze three different parameterizations for elastic VTI media in terms of the influence of the S-waves on the gradient direction for c13, the spatial coverage of gradient direction and the degree of trade-offs between the parameters. Baseddoi:10.1190/segam2015-5850234.1 fatcat:vzlbtjru3rhy5eami3rtbsbdmy