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There are several issues that must be considered when using the
proposed regularized inversion with model preconditioning.
First, the geological regularization scheme that can be used for RIP
depends on the user's interpretation or geological model, so what if
the regularization operator is wrong? I will show the result of
applying the ``wrong'' regularization operator during RIP. On a
related note, the geophysical regularization scheme assumes that the
correct velocity model has been used, so there is no moveout along the
25#25 axis. I will experiment with several incorrect velocity models
and show the results. Finally, since my RIP method does regularize the
amplitudes of model along the 25#25 axis, we need to know how it will
affect any real AVA that might exist in the CIGs.