Efficient Multistage License Plate Detection and Recognition Using YOLOv8 and CNN for Smart Parking Systems

Table 4

Hyperparameters used for training YOLOv5x, YOLOv7x, and YOLOv8x.

Model	Image size	Batch size	Epochs	Loss	Learning rate	Optimizer	Augmentation
YOLOv5x	640 ×  640	16	50	0.02	0.01	SGD (0.937 momentum)	hsv (h: 0.015; s: 0.7, v: 0.4), translate: 0.1, scale: 0.5, flip left–right: 0.5, mosaic: 1.0
YOLOv7x
YOLOv8x