X-Ray Image Recognition Based on Improved Mask R-CNN Algorithm

Table 3

Comparison of algorithm recognition results (AP50).

Threat objects
Algorithm	Knife (%)	Liquid (%)	Gun (%)	Phone (%)	Portable battery (%)	Mean (%)
Ours	83.75	99.01	96.74	93.74	88.74	92.40
Mask R-CNN	70.34	94.43	90.22	87.60	72.82	83.08
Faster R-CNN	45.74	90.63	86.78	73.77	71.86	73.76
YOLOv3	39.16	90.12	85.77	70.03	69.53	70.92
SSD513	38.51	84.35	76.74	63.42	61.92	64.99