Enhancement of Background Subtraction Techniques Using a Second Derivative in Gradient Direction Filter

Table 1

Performance for frame 10 in outdoor sample with and without SDGD filter.

	Method	TP	FP	FN	TN	Recall	Precision	𝐹-Score
FD	without SDGD	2046	1279	1091	80064	0.65	0.62	0.63
	With SDGD	2521	804	616	80539	0.80	0.76	0.78
AM	without SDGD	1986	1785	1151	79558	0.63	0.53	0.57
	With SDGD	2374	951	763	80392	0.76	0.71	0.73
RG	without SDGD	1959	1781	1178	79562	0.62	0.52	0.57
	With SDGD	2303	1022	834	80321	0.73	0.69	0.71
RGA	without SDGD	2441	912	696	80431	0.78	0.73	0.75
	With SDGD	2654	499	483	80844	0.85	0.84	0.84