GSPSO-LRF-ELM: Grid Search and Particle Swarm Optimization-Based Local Receptive Field-Enabled Extreme Learning Machine for Surface Defects Detection and Classification on the Magnetic Tiles

Table 1

Data categories and quantities used in the experiment.

Data category	Defect image					Defect-free image
	Break	Crack	Fray	Uneven	Blowhole	Free
Data quantity	85	57	32	103	114	391