Table 5 Performance comparison of different loss functions.

From: Enhanced PCB defect detection via HSA-RTDETR on RT-DETR

Loss functions

mAP50/%

P/%

R/%

GIoU (original)

91.5

91.3

86

SIoU

89.7

89.4

84.4

EIoU

86.3

86.7

85.2

CIoU

89.4

88.2

88.6

DIoU

87.7

87.1

84.9

MPDIoU

92.1

89.9

88.5

MPDIoU + NWD

93.1

91.6

90.2