Research on Eddy Current Imaging Detection of Surface Defects of Metal Plates Based on Compressive Sensing

Table 1

Defect parameters of testing piece.

Defect number	Defect size (mm)
	depth	length	width
#1	0.5	2	1
#2	1.5	2	1
#3	2.5	2	1
#4	0.5	6	1
#5	1.5	6	1
#6	2.5	6	1
#7	0.5	10	1
#8	1.5	10	1
#9	2.5	10	1