Improving QGA-ELM Inversion Model of Rice Leaf Area Index Based on UAV Remote Sensing Image

Table 2

Confusion matrix of SVM classification.

Type	RGB image				HSV image				Multispectral image
	C ^a	O ^b	P ^c	U ^d	C ^a	O ^b	P ^c	U ^d	C ^a	O ^b	P ^c	U ^d
N0	50.54	11.54	88.46	49.46	100.0	100.0	0.00	0.00	47.46	10.58	89.42	52.54
N1	36.36	53.33	96.58	95.76	66.67	91.67	8.33	33.33	40.82	51.67	48.33	59.18
N2	0.00	100.0	0.00	0.00	100.0	100.0	0.00	0.00	66.67	98.53	1.47	33.33
N3	4.24	3.42	96.58	95.76	67.72	64.96	35.04	32.28	5.54	5.34	94.66	94.46
N4	1.37	1.64	98.36	98.63	0.00	0.27	99.73	100.0	2.01	1.92	98.08	97.99
Noncrop	0.56	0.00	100.0	99.44	100.0	100.0	0.00	0.00	0.56	0.00	100.0	99.44
Total