2 papers
math.OC2024
A numerical investigation of Matched Source Waveform Inversion applied to acoustic transmission data
William W. Symes, Huiyi Chen, Susan E. Minkoff
Iterative inversion of seismic, ultrasonic, and other wave data by local gradient-based optimization of mean-square data prediction error (Full Waveform Inversion or FWI) can fail…
physics.geo-ph2020
Full Waveform Inversion by Source Extension: Why it works
William W. Symes
An extremely simple single-trace transmission example shows how an extended source formulation of full waveform inversion can produce an optimization problem without spurious local…