Table 6 The influence of different loss function combinations on the performance of model parcel box detection.

From: Research on dimension measurement algorithm for parcel boxes in high-speed sorting system

Method

Loss

P (%)

R (%)

F1 (%)

mAP50 (%)

EIoU

FocalLoss27

96.8

94.2

95.5

96.5

VarifocalLoss28

95.8

97.1

96.4

98

BCELoss

96.3

87.4

91.6

95.8

SIoU29

FocalLoss

95.4

88

91.6

93.2

VarifocalLoss

96.1

96.5

96.3

99.1

BCELoss

98.4

96.1

97.2

98.8

CIoU

FocalLoss

97.6

92.1

94.8

97.8

VarifocalLoss

91.3

81.7

86.2

89.2

BCELoss (Ours)

99.3

98.4

98.8

99.5

  1. Significant values are in bold.
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