Strip Surface Defects Recognition Based on PSO-RS&SOCP-SVM Algorithm

Table 6

The classification and recognition performance comparison of SVM, RVM, and PSO-RS&SOCP-SVM.

Defect type	Rust	Scratch	Orange peel	Bubble	Surface crack	Rolled-in scale
The number of test samples	100	100	100	100	100	100
SVM
Recognition rate (%)	99	97	98	96	100	95
The average running time (ms)	63.5	67.6	78.6	80.2	69.3	68.5
RVM
Recognition rate (%)	100	98	99	98	100	96
The average running time (ms)	78.4	82.3	82.1	88.5	79.4	77.1
PSO-RS&SOCP-SVM
Recognition rate (%)	100	100	100	99	100	98
The average running time (ms)	52.3	60.5	55.8	62.8	60.1	58.5