Research Article

Intelligent Defect Identification Based on PECT Signals and an Optimized Two-Dimensional Deep Convolutional Network

Table 4

Identification accuracy and computational cost for different defect identification pipelines.

TFRGoogLeNetInception V3ResNet50AlexNetVGG16
Accuracy (%)Time (s)Accuracy (%)Accuracy (%)Accuracy (%)Accuracy (%)Accuracy (%)Time (s)Accuracy (%)Time (s)

STFT74.12 ± 0.8534.474.36 ± 1.6774.36 ± 1.6774.36 ± 1.6774.36 ± 1.6775.50 ± 1.5714.585.16 ± 0.80191.8
PSWVD73.78 ± 0.8935.671.42 ± 1.2171.42 ± 1.2171.42 ± 1.2171.42 ± 1.2189.92 ± 1.4415.490.03 ± 1.80193.4
EEMD77.90 ± 1.0036.773.52 ± 1.3273.52 ± 1.3273.52 ± 1.3273.52 ± 1.3280.42 ± 1.2616.796.57 ± 0.48196.7
SST72.77 ± 0.5237.474.37 ± 1.8974.37 ± 1.8974.37 ± 1.8974.37 ± 1.8980.33 ± 0.4517.597.88 ± 0.35208.5
GWT78.16 ± 1.0336.274.79 ± 1.0474.79 ± 1.0474.79 ± 1.0474.79 ± 1.0491.10 ± 0.3114.192.46 ± 0.43189.6