Table 4.

Comparison of different backbone networks on the Test1 data of the cephalometric X-ray dataset

	MRE	2mm	2.5mm	3mm	4mm
VGG-16	1.44	84.03	90.70	93.81	97.29
VGG-19	1.37	82.31	89.08	92.98	96.87
ResNet-101	1.19	86.49	92.28	95.40	98.07
ResNet-152	1.29	86.76	92.42	95.33	98.03
DenseNet-169	1.15	87.64	92.13	95.49	98.38
DenseNet-121	1.12	88.03	92.73	95.96	98.48

The bold value in each column represents the best result