Table 4.

Manhole cover assessment result comparison between the previous method [20] and proposed method.

	Previous Method [28]			Proposed Method
	CRT	CPT	F-Measure	CRT	CPT	F-Measure
A	0.9455	0.8525	0.8966	0.9487	0.9590	0.9538
B	0.9701	0.8387	0.8997	0.9720	0.9226	0.9467
C	0.9483	0.8730	0.9091	0.9483	0.9206	0.9342
D	0.9667	0.8286	0.8923	0.9703	0.9619	0.9661
E	0.9664	0.8273	0.8915	0.9697	0.9496	0.9595
AVG	0.9594	0.8440	0.8978	0.9618	0.9427	0.9522