Gravity inversion using L0 norm for sparse constraints
Dan Zhu,
Xiangyun Hu,
Shuang Liu
et al.
Abstract:SUMMARY
Gravity surveys constitute an important method for investigating the Earth's interior based on density contrasts related to Earth material differentials. Because lithology depends on the environment and the period of formation, there are generally clear boundaries between rocks with different lithologies. Inversions with convex functions for approximating the L0 norm are used to detect boundaries in reconstructed models. Optimizations can easily be found because of the convex transformat… Show more
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