Research Article

Seismic Waveform Inversion by Stochastic Optimization

Figure 12

Error between the inverted and true model for the SA approach with limited averaging for various batch sizes and the full problem, (a) without noise, (b) with noise (SNR = 20 dB), and (c) with noise (SNR = 10 dB). The convergence is smoother than that of SA without averaging, especially when the data is very noisy (10 dB). The averaging seems to slow down the convergence slightly, however, and we need a batch size for the best results.
689041.fig.0012a
(a)
689041.fig.0012b
(b)
689041.fig.0012c
(c)