YOLOv5

YOLOv4

YOLOv3

input

Mosaic数据增强、自适应anchor

SAT自对抗训练

backbone

Focus、CSP

CSPDarknet53、MISH激活函数

Darknet53、CBL

neck

FPN+PAN

SPP、FPN+PAN

FPN

prediction

GIOU_loss

GIOU_loss