First-Arrival Picking for Microseismic Monitoring Based on Deep Learning

Figure 21

The sixth trace signal of the actual microseismic record profile shown in Figure 20 and its intermediate features extracted by the UNet++. (a) The sixth trace signal of the actual microseismic record profile shown in Figure 20. (b) Intermediate features of the signal extracted by C3 layer. (c) Intermediate features of the signal extracted by C5 layer.