Table 5. Confusion matrix of PCD deep learning models according to platform and down-sampling intensity.

Model & Platform		Ground truth
		Down-sampling intensity	S1				S2				S3				S4
			Pinus koraiensis	Larix kaem pferi	Total	PA	Pinus koraiensis	Larix kaempferi	Total	PA	Pinus koraiensis	Larix kaempferi	Total	PA	Pinus koraiensis	Larix kaempferi	Total	PA
Pointnet	TLS	Pinus koraiensis	54	3	57	94.7%	53	6	59	89.8%	53	6	59	89.8%	54	2	56	96.4%
		Larix kaempferi	1	20	21	95.2%	2	17	19	89.5%	2	17	19	89.5%	1	21	22	95.5%
		Total	55	23	78		55	23	78		55	23	78		55	23	78
		UA	98.2%	87.0%			96.4%	73.9%			96.4%	73.9%			98.2%	91.3%
	MLS	Pinus koraiensis	53	8	61	86.9%	52	7	59	88.1%	50	8	58	86.2%	55	2	57	96.5%
		Larix kaempferi	2	15	17	88.2%	3	16	19	84.2%	5	15	20	75.0%	0	21	21	100.0%
		Total	55	23	78		55	23	78		55	23	78		55	23	78
		UA	96.4%	65.2%			94.5%	69.6%			90.9%	65.2%			100.0%	91.3%
Pointnet++	TLS	Pinus koraiensis	54	2	56	96.4%	51	1	52	98.1%	53	2	55	96.4%	52	3	55	94.5%
		Larix kaempferi	1	21	22	95.5%	4	22	26	84.6%	2	21	23	91.3%	3	20	23	87.0%
		Total	55	23	78		55	23	78		55	23	78		55	23	78
		UA	98.2%	91.3%			92.7%	95.7%			96.4%	91.3%			94.5%	87.0%
	MLS	Pinus koraiensis	54	2	56	96.4%	55	1	56	98.2%	52	3	55	94.5%	54	4	58	93.1%
		Larix kaempferi	1	21	22	95.5%	0	22	22	100.0%	3	20	23	87.0%	1	19	20	95.0%
		Total	55	23	78		55	23	78		55	23	78		55	23	78
		UA	98.2%	91.3%			100.0%	95.7%			94.5%	87.0%			98.2%	82.6%