Table 5.

The seven models that obtained the best results for leak detection in balloon-type cavities. Results are expressed as percentages.

Algoritm	Features	5-Fold Cross-Validation				Test				Total
		Acc.	Recall	Pre.	F1-Sc.	Acc.	Recall	Pre.	F1-Sc.	Acc.	Recall	Pre.	F1-Sc.
Medium tree	a4, a6, a7	99.63	98.26	99.30	98.77	99.57	97.59	100	98.78	99.62	98.11	99.45	98.78
	a3–a7, a9, a11, a12	99.63	98.26	99.30	98.77	99.57	97.59	100	98.78	99.62	98.11	99.45	98.78
	a4, a6	99.36	97.91	97.91	97.91	99.79	98.80	100	99.39	99.45	98.11	98.37	98.24
Bilayered neural network	a3–a7, a9, a11, a12	99.41	97.21	98.94	98.07	99.57	97.59	100	98.78	99.45	97.30	99.17	98.23
Narrow neural network	a4, a6, a7, a9	99.36	97.21	98.59	97.89	99.79	98.80	100	99.39	99.45	97.57	98.90	98.23
Quadratic SVM	a4–a7	99.36	96.17	99.64	97.87	99.57	97.59	100	98.78	99.40	96.49	99.72	98.08
Medium neural network	a4–a7	99.36	98.26	97.58	97.92	99.36	96.39	100	98.16	99.36	97.84	98.10	97.97