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 .

 

 

Short Note
A generalization of wave-equation migration velocity analysis

Paul Sava and William W. Symes

paul@sep.stanford.edu, symes@caam.rice.edu