REFERENCES

Biondi, B., and Sava, P., 1999, Wave-equation migration velocity analysis: SEP-100, 11-34.

de Vries, D., and Berkhout, A. J., 1984, Velocity analysis based on minimum entropy: Geophysics, 49, no. 12, 2132-2142.

Harlan, W. S., 1986, Signal-noise separation and seismic inversion: Ph.D. thesis, Stanford University.

Sava, P., and Fomel, S., 2002, Wave-equation migration velocity analysis beyond the Born approximation: SEP-111, 81-99.

Sava, P., and Symes, W. W., 2002, A generalization of wave-equation migration velocity analysis: SEP-112, 27-36.

Sava, P., 2000, A tutorial on mixed-domain wave-equation migration and migration velocity analysis: SEP-105, 139-156.

Woodward, M. J., 1992, Wave-equation tomography: Geophysics, 57, no. 1, 15-26.

 

imags
Figure 1 Synthetic model: reflectivity (top), background slowness (middle), and image perturbation (bottom).

 

slows
Figure 2 Ideal slowness perturbation (top), Slowness perturbation obtained by the adjoint of ${\bf L}$ (middle) and by the least-squares inverse of ${\bf L}$ (bottom) applied to the image perturbation in Figure 1.