FWI with different boundary conditions |

vmodbw
Different velocity models with different boundary regions: a) true velocity with continuation of velocity in the boundary region; b) starting velocity with continuation of velocity in the boundary region; c) starting velocity with random velocity values in the boundary region.
Figure 1. |
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gradcomp
First iteration gradient with different boundary conditions:a) gradient with absorbing boundary condition;b) gradient with random boundary condition;c) gradient with continuation of velocity in the boundary region.
Figure 2. |
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FWI with different boundary conditions |

2012-05-10