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math.NA2024
Automatic nonstationary anisotropic Tikhonov regularization through bilevel optimization
Silvia Gazzola, Ali Gholami
Regularization techniques are necessary to compute meaningful solutions to discrete ill-posed inverse problems. The well-known 2-norm Tikhonov regularization method equipped with a…
math.NA2024
Robust elastic full-waveform inversion using an alternating direction method of multipliers with reconstructed wavefields
Kamal Aghazade, Ali Gholami, Hossein S. Aghamiry +1
Elastic full-waveform inversion (EFWI) is a process used to estimate subsurface properties by fitting seismic data while satisfying wave propagation physics. The problem is formula…