Table 3 Indicators of several typical filtering algorithms after processing.

From: Time frequency analysis of elastic wave PSO OMP for defects in flat steel of down conductors

Indicators

Algorithm

SNR(dB)

PSNR(dB)

RMSE(V)

MSE(V2)

SIMI(%)

Calculation

Cost

TIME(s)

PSO-MP(Gabor)

28.89484

65.20794

3.93E-4

1.54E-7

99. 9998

Moderate

1.02

K-SVD

22.18386

46.39776

2.091E-3

4.37E-6

99.1962

Low

0.5

LRMR

32.68880

3.900427

0.445982

0.1989

98.0059

Moderate

0.45

Wavelet

26.31004

68.5162

2.62E-3

6.87E-08

99.8477

Low

0.08

Auto Encoder

26.12440

45.6458

3.6E-3

1.3307E −5

99.8273

High

4.2

Liner Residual Learning

26.00690

158.4409

8.3617E −9

6.9918E −17

99.998

High

4.2

Adaptive Residual Learning

25.94140

72.6908

1.6211E −4

2.6278E −8

99.948

Low

0.2

Polynomial Residual Learning

26.55450

74.6247

1.2975E −4

1.6835E −8

99.990

Low

0.3