[Retracted] An Early Warning Intelligent Algorithm System for Forest Resource Management and Monitoring

Table 4

Confusion matrix of GF-2MSS image classification feature set on January 16, 2021.

Category	Random forest					Adaptive threshold wavelet denoising + random forest
	Cultivated land	Land used for building	Woodland	Unused land	Water body	Cultivated land	Land used for building	Woodland	Unused land	Water body
Cultivated land	321	23	30	44	6	350	9	25	32	5
Land used for building	19	340	9	38	5	20	400	7	30	1
Woodland	34	15	400	12	4	6	10	410	8	2
Unused land	23	41	6	322	10	25	20	8	350	4
Water body	3	1	5	6	400	1	2	3	3	420
	Overall classification accuracy = 84.42% kappa coefficient = 0.81					Overall classification accuracy = 89.42% kappa coefficient = 0.87