Table 6. Dataset statistics and object distributions across versions v0 to v4

Dataset version		v0	v1	v2	v3	v4
Image-Label pairs		3,003	6,525	18,134	57,383	87,410
Annotations	Total	32,544	89,334	150,458	547,819	849,183
	Chock	3,321	9,183	10,136	38,032	64,195
	Refueling car	742	1,053	3,291	12,695	29,529
	Bridge	1,360	6,222	13,483	44,643	74,149
	Safety cone	8,755	38,379	60,647	175,360	278,982
	Car	2,050	3,089	3,810	24,092	24,240
	Worker	6,620	12,737	22,405	99,442	129,804
	ULD loader	1,469	1,991	2,788	25,562	37,853
	Belt conveyor	1,459	1,512	1,754	15,738	33,897
	ULD	937	2,420	5,998	16,745	18,235
	Catering truck	710	736	934	12,774	22,814
	Tug car	659	2,172	5,603	14,007	18,263
	Towing car	1,310	2,448	3,994	17,248	30,474
	Palette dolly	785	4,163	7,276	16,042	23,447
	Aircraft	2,367	3,229	8,339	35,439	63,301