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- W1996966633 abstract "Reflection tomography can determine velocity models and reflector depth, but has limitations: (1) it is unstable in the presence of strong lateral velocity changes; (2) it is strongly dependent on the starting reference model; (3) it requires constraints or a priori information, and (4) it is computationally inefficient. In order to overcome limitations, three strategies have been combined in Depth Focusing Reflection Tomography (DFRT). It uses (1) a smaller parameterization at the early inversion stage (variable parameterization), (2) consistent depth perturbation as a criterion for the extremum problem (depth focusing concept), and (3) a systematic exploring process instead of a random search to find a global extremum (exploring process)." @default.
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- W1996966633 date "2000-01-01" @default.
- W1996966633 modified "2023-09-27" @default.
- W1996966633 title "Depth focusing reflection tomography with application to prestack depth migration" @default.
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- W1996966633 doi "https://doi.org/10.1190/1.1816224" @default.
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