Research Article

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

Table 3

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

Comparative classification methodRun time (seconds)Overall Accuracy (%)Kappa Coefficient
T1T2T3T1T2T3T1T2T3

Minimum distance classification algorithm7101165.4663.0665.210.61640.58950.6137
Support vector machine classification algorithm62728678.4780.1782.350.76090.77040.8041
Classification and regression trees (CART)17212675.0478.041278.32850.72270.75570.7591
This-algorithm classifies( 5% of the-labeled labels)16.2116.6317.6982.9884.1985.350.81080.82340.8371
This-algorithm classifies(10% labeled labels)20.6521.1022.7285.8586.8187.360.84210.85280.8591