Fast Second-Order Orthogonal Tensor Subspace Analysis for Face Recognition

Table 3

Training time (second) on ORL database.

	TSA	DTSA	OTSA-N	OTSA-NL	ODTSA-N	ODTSA-NL
4 Train	1.5440	1.6573	0.8912	0.2438	0.8766	0.2518
8 Train	2.1647	2.2371	1.0576	0.3429	1.1592	0.3262