Automatic Segmentation of Lumbar Spine MRI Images Based on Improved Attention U-Net

Table 2

Comparison of experimental results of different algorithms.

Type	TP	FP	FN	P (%)	R (%)	Dice (%)
SVM	605	101	115	85.69	84.03	84.85
FCN	644	83	94	88.58	87.27	87.91
R-CNN	712	58	51	92.50	93.32	92.89
U-Net	685	62	74	91.70	90.25	90.10
Attention U-Net	715	49	57	93.59	92.62	93.10
Improved Attention U-Net	743	35	43	95.50	94.53	95.01