Table 6.

Segmentation evaluation metrics. The objects generated as buildings using the SAA tool were used as reference data for evaluating the building objects generated by the ESP2 and SOP tools. Detailed explanations of the segmentation evaluation metrics are provided in Table 2.

	No. ref	AFI	Dij	Missing rate	No. of misses	OSeg	Overlap (sq.m.)	Qr	USeg
Area A SAA vs. ESP2	4115	0.13	0.10	0.016	689	0.14	58,580,625	0.84	0.01
Area A SAA vs. SOP	4115	0.64	0.46	0.63	2600	0.66	23,324,875	0.33	0.05
Area B SAA vs. ESP2	3142	0.02	0.01	0.01	40	0.02	83,696,550	0.97	0.0004
Area B SAA vs. SOP	3142	0.52	0.39	0.53	1693	0.54	38,570,675	0.43	0.062
Area C SAA vs. ESP2	3976	0.09	0.07	0.06	239	0.10	137,576,800	0.88	0.007
Area C SAA vs. SOP	3976	0.53	0.39	0.42	1681	0.55	69,163,825	0.44	0.039