Table 1 S/N (in dB) and SSIM values of permeability recovery
From: Solving multiphysics-based inverse problems with learned surrogates and constraints
Inversion method | Well measurement | Time-lapse seismic | Both |
|---|---|---|---|
Unconstrained inversion with PDE solvers | 9.34 dB/0.67 | 10.50 dB/0.73 | 10.70 dB / 0.73 |
Unconstrained inversion with FNO surrogates | 9.64 dB/0.68 | 11.94 dB/0.72 | 11.98 dB/0.72 |
Constrained inversion with PDE solvers | 12.2 dB / 0.77 | 14.18 dB / 0.80 | 15.20 dB/0.85 |
Constrained inversion with FNO surrogates | 11.06 dB/0.74 | 14.16 dB/0.81 | 14.92 dB/0.83 |