Stacked Denoise Autoencoder Based Feature Extraction and Classification for Hyperspectral Images

Table 6

Comparison of computational time of different feature extraction methods (seconds).

Data	PCA	LE	LLE	LDA	Tuned-SDAE
BOT	1.775	5.206	5.596	0.2864	94.68
PU	2.45	1022	70.14	0.3953	1495
INP	0.1918	9362	564.7	0.2788	387.7