Face Mask-Wearing Detection Model Based on Loss Function and Attention Mechanism

Table 2

The performance of different loss functions.

Loss function	Precision (%)	Recall (%)	mAP@0.5 (%)
IoU	93.99	84.15	89.68
GIoU	93.87	85.24	90.17
DIoU	94.57	83.51	90.21
aIoU-2	95.13	85.06	89.87
aIoU-3	95.05	90.78	89.01
Varifocal	96.20	86.23	90.78
CIoU	93.69	84.90	90.43