Automatic Detection and Parameter Estimation of Ginkgo biloba in Urban Environment Based on RGB Images

Table 2

Summary of test scenes.

Test scene	Acquisition	C1	C2	C3	C4	C5	C6	C7
T1	2019.9	14	9.07	11.00	6.56	5.21	6.52	3.72
T2	2019.9	20	8.02	11.00	5.43	3.84	4.93	2.44
T3	2019.6	42	9.36	12.40	5.78	3.62	5.85	1.26
T4	2019.6	40	9.32	13.90	5.46	3.76	6.56	1.32
T5	2019.6	22	9.69	12.50	4.91	4.29	5.32	3.42
T6	2019.6	52	10.96	14.21	6.60	4.24	6.10	2.88
T7	2019.9	23	11.29	13.82	9.10	5.64	7.37	4.25

C1: number of ginkgo trees; C2: mean tree height from field measurement; C3: maximum tree height from field measurement; C4: minimum height from field measurement; C5: mean width of measurement from orthophotos; C6: maximum width of measurement from orthophotos; C7: minimum width of measurement from orthophotos.