High-Resolution Remote Sensing Image Classification with RmRMR-Enhanced Bag of Visual Words

Table 1

Comparisons of the classification performance of different algorithms.

	Pixel-based classification	Classic BoVW classification	Object-based classification	Features-based classification	The proposed classification
Running total time (s)	57	460	291	553	767
Overall classification accuracy (%)	54.9	79.0	71.8	86.1	88.2
Kappa coefficient	0.47	0.74	0.68	0.81	0.84