Mine Microseismic Signal Denoising Based on a Deep Convolutional Autoencoder

Table 1

Comparison of different denoising methods.

SNR levels (dB)	WT			EEMD			Our method
	SNR	CCR	RMSE	SNR	CCR	RMSE	SNR	CCR	RMSE
−6	0.35	0.54	15.14	0.72	0.58	14.23	3.59	0.70	9.38
−5	0.94	0.59	13.73	1.29	0.61	13.15	4.27	0.73	8.13
−4	1.72	0.64	12.25	1.91	0.65	11.76	5.27	0.77	7.25
−3	2.42	0.69	11.02	2.74	0.72	10.99	5.93	0.79	6.84
−2	3.01	0.74	9.77	3.50	0.78	9.44	6.68	0.82	6.24
−1	3.89	0.78	8.94	4.26	0.80	8.12	7.19	0.84	6.06
0	4.25	0.80	8.16	4.98	0.82	7.59	7.75	0.87	5.74
1	5.01	0.81	7.65	5.78	0.84	7.02	8.36	0.89	5.45
2	5.73	0.84	6.99	6.38	0.85	6.67	8.94	0.91	5.04
3	6.52	0.86	6.54	7.43	0.87	6.08	9.35	0.92	4.80
4	7.24	0.90	5.98	8.20	0.91	5.36	9.82	0.93	4.38
5	8.16	0.91	5.37	8.89	0.92	5.11	10.53	0.93	3.91
6	8.93	0.92	5.03	9.33	0.93	4.93	11.23	0.95	3.54
7	9.47	0.93	4.84	9.97	0.94	4.26	12.01	0.95	2.99
8	10.55	0.94	4.37	10.65	0.95	4.18	12.87	0.96	2.27