Detection Method of Compound Chemical Material Hole Based on Deep Learning Image

Table 3

Calculation results of round hole parameters for convex defects.

Convex [concave]	Center position
Original image	(150,150) [(150,150)]	100 [100]
Center of gravity	(147.0,144.3) [(149.0,147.9)]	101.2 [98.8]
Least square method	(148.5,147.2) [(150.8,151.5)]	101.4 [90.0]
Improved algorithm	(149.9,149.9) [(150.0,150.1)]	100.0 [99.8]