Traffic Sign Detection: Appropriate Data Augmentation Method from the Perspective of Frequency Domain

Table 1

Test results of different data augmentation methods.

Data aug	Naturally trained	Mixup only	Mosaic only	Mosaic & Mixup
	0.9599	0.9750	0.9790	0.9790
	0.8439	0.8869	0.7822	0.8284