Wave-equation migration velocity analysis by residual moveout fitting |

**Biondo Biondi**

**Biondo Biondi**

Flatness in
migrated angle-domain common image gathers is
an effective criterion for measuring migration-velocity accuracy.
An objective function that measures the power of the stack
as a function of residual-moveout parameters directly,
and indirectly as a function of migration velocity,
can be robustly maximized by using a gradient-based method.
This paper presents a method to compute the gradient of this
objective function by wave-equation operators.
The proposed algorithm has the additional advantage of not requiring
the picking of the residual-moveout parameters.

- Introduction
- Theory

- Conclusions
- Acknowledgments
- Bibliography
- APPENDIX A
- Details of gradient computation
- About this document ...

2010-11-26