Surface Flaw Detection of Plug Valve Material Using Infrared Thermography and Weighted Local Variation Pixel-Based Fuzzy Clustering Technique

Table 2

Evaluation metrics.

S. no	Evaluation standards	Adaptive regularized kernel-based FCM
		Weighted filter	Average filter	Median filter
		Window size 3 cluster number 2
1	Accuracy	0.6944	0.6878	0.6800
2	FN	3637	3010	3831
3	FP	3239	3790	3368
4	F prate	0.6207	0.6289	0.6087
5	F value	0.7987	0.7984	0.78i9
6	Jaccard index	0.6649	0.6644	0.6430
7	MCC	0.1646	0.1572	0.1612
8	Precision	0.8082	0.7803	0.7959
9	Recall	0.7895	0.8173	0.7742
10	TN	1979	2236	2165
11	TP	13645	13464	13136
12	T prate	0.7895	0.8173	0.7742