A Bayesian Network Method for Quantitative Evaluation of Defects in Multilayered Structures from Eddy Current NDT Signals

Table 1

Defect parameter estimation errors obtained by the BN method and the LS method (specimen number 1).

	Signals	LS	BN
Diameter error (RMSE)	Noise-free	0.6465	0.2597
	10% noise	0.6761	0.3119
	20% noise	0.7556	0.3915