Table 7. Detection results for firearm classes and different occlusion degrees.

Degree	Class	Instances	Precision	Recall	F1-score
No occlusion	handgun	522	0.917	0.741	0.820
No occlusion	long gun	502	0.994	0.922	0.957
1 × 30%	handgun	522	0.733	0.618	0.671
1 × 30%	long gun	502	0.788	0.820	0.804
2 × 15%	handgun	522	0.759	0.667	0.710
2 × 15%	long gun	502	0.832	0.858	0.845
3 × 10%	handgun	522	0.773	0.901	0.832
3 × 10%	long gun	502	0.849	0.901	0.874