Table 5.

Training time(s) of different models in Indian Pines.

Model\Amount of Training Samples	20%	10%	8%	6%	4%	2%
2D-CNN	14.6	8.9	7.4	6.6	5.0	4.0
M3D-DCNN	314.8	157.2	126.3	95.2	64.2	34.5
HybridSN	425.9	237.0	199.5	165.2	118.3	77.4
Model A	119.6	72.3	64.7	52.1	44.5	35.3
Model B	66.2	41.7	39.0	25.8	20.0	13.7
R-HybridSN	109.9	63.4	60.9	46.9	31.5	21.8