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Abstract

We use least squares migration with a sparse prior to attenuate migration artifacts, and increase resolution. We invert for pre-stack migrated images in the shot-geophone domain, adding a sparse constraint to the LS system by applying a Cauchy norm to pre-stack common shot image gathers.

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/content/papers/10.3997/2214-4609.20148021
2008-06-09
2024-04-19

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