Table 9. Detection results for firearm classes and different levels of blur.

Kernel size	Class	Instances	Precision	Recall	F1-score
No blur	handgun	522	0.917	0.741	0.820
No blur	long gun	502	0.994	0.922	0.957
3	handgun	522	0.901	0.713	0.796
3	long gun	502	0.981	0.916	0.947
9	handgun	522	0.894	0.661	0.760
9	long gun	502	0.974	0.886	0.928
13	handgun	522	0.894	0.659	0.759
13	long gun	502	0.971	0.871	0.918