Fast Second-Order Orthogonal Tensor Subspace Analysis for Face Recognition

Table 4

Recognition accuracy (%) on Yale database (mean ± std).

	TSA	DTSA	OTSA-N	OTSA-NL	ODTSA-N	ODTSA-NL
2 Train	41.78±5.04	45.41±5.97	43.41±5.97	43.51±6.10	47.59±5.36	47.23±5.87
3 Train	52.25±4.43	56.17±3.40	54.72±3.44	54.61±4.09	58.33±3.15	58.47±3.54
4 Train	59.14±3.90	63.10±4.00	62.10±4.04	62.76±4.20	66.45±4.32	66.33±4.15
5 Train	64.22±3.40	65.78±4.51	65.34±4.41	65.69±4.53	67.98±4.09	67.63±4.60
6 Train	69.00±4.54	70.13±5.59	70.52±5.33	70.46±5.84	72.88±5.67	72.59±5.48
7 Train	72.17±3.43	74.29±4.65	74.47±4.92	74.65±3.70	76.79±4.28	76.72±4.12
8 Train	74.78±4.38	76.89±5.62	76.56±5.13	76.83±6.27	79.43±5.05	79.26±5.42