Research on a Machine Learning-Based Method for Assessing the Safety State of Historic Buildings

Table 3

Recognition accuracy of KCCA-SVM with different dimensions.

Datasets	Dimension	Accuracy
		Minimum value	Average value	Maximum value
ORL	10	0.728	0.735	0.751
	15	0.841	0.857	0.866
	20	0.921	0.922	0.923
	25	0.922	0.922	0.923
Yale	10	0.769	0.782	0.791
	15	0.838	0.849	0.858
	20	0.902	0.903	0.906
	25	0.906	0.906	0.906
AR	10	0.842	0.855	0.861
	15	0.882	0.897	0.908
	20	0.943	0.952	0.958
	25	0.950	0.956	0.958
PIE	10	0.812	0.821	0.833
	15	0.863	0.872	0.884
	20	0.887	0.896	0.901
	25	0.907	0.913	0.916