MIMIR with jointly optimized TGV² regularization matches classical FMM-LSMR on Gaussian velocity models and reduces RMSE by 33-44% on layered and curved-fault models under 5% noise.
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2026 1verdicts
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Total Generalized Variation regularization closes the gap between neural-eld and classical methods in seismic travel-time tomography
MIMIR with jointly optimized TGV² regularization matches classical FMM-LSMR on Gaussian velocity models and reduces RMSE by 33-44% on layered and curved-fault models under 5% noise.