Table 1.

Statistical description of the generated dataset.

	Data 2018		Data 2019		Data 2020
UAV platform	DJI Phantom 3 PRO, Shenzhen, China		DJI Phantom 4 PRO, Shenzhen, China		DJI Phantom 4 RTK, Shenzhen, China
Sensor	FC300X		FC6310S		FC6310R
Type	CMOS		CMOS		CMOS
Resolution	4000 $\times$ 3000		5472 $\times$ 3648		5472 $\times$ 3648
Focal length (mm)	3.61		8.8		8.8
F number	f/2.8		f/4.5		f/2.8
Exposure time	1/100		1/200		1/500
Overlap ratio	85%		85%		85%
Flying velocity (m/s)	2		1.9		2
Flying altitude (m)	15	20	10	20	25	40
Data size	296	60	1002	418	252	120
Collection date & time	24th April, 11:30 am		23rd April, 10:53 am		18th April, 11:33 am
Weather	Overcast		Sunny		Sunny
Temperature (°)	11		17		13
Wind (km/h)	20 SW		20 E		15 NE

Note: The present table was adapted from Table 1 as introduced in the related research article [2].