A New Semisupervised-Entropy Framework of Hyperspectral Image Classification Based on Random Forest

Table 4

The comparison of overall accuracy and Kappa coefficient under different classifier algorithm of Hyperion data.

Comparative classification method	Run time (seconds)			Overall Accuracy (%)			Kappa Coefficient
	T1	T2	T3	T1	T2	T3	T1	T2	T3
Minimum distance classification algorithm	12	15	14	89.26	89.83	90.95	0.7567	0.7693	0.7952
Support-vector machine classification algorithm	25	27	26	94.55	94.63	94.91	0.8744	0.8752	0.8829
Classification and regression trees (CART)	7.5	7.2	6.7	86.0806	93.3795	94.1106	0.6806	0.8468	0.8901
This-algorithm classifies (5% of the labeled labels)	6.04	6.35	6.97	97.22	98.26	98.83	0.9495	0.9684	0.9788
This-algorithm classifies(10% of labeled labels)	7.16	7.69	8.16	98.20	98.90	99.17	0.9711	0.9820	0.9904