Automated Detection of Microseismic Arrival Based on Convolutional Neural Networks

Figure 8

Comparison of AIC, time-window, U-net feature map, and arrival time pickup effects before and after adding noise. (a) Raw waveform data, (b) AIC characteristic curve of raw waveform data, (c) time-window characteristic curve of original waveform data, (d) U-net characteristic curve of raw waveform data, (e) added noise waveform data, (f) AIC characteristic curve of waveform data with noise, (g) time window characteristic curve of waveform data with noise, and (h) U-net characteristic curve of waveform data with noise.