Bispectrum Texture Feature Manifold for Feature Extraction in Rolling Bear Fault Diagnosis

Table 3

Identification accuracy of four cases under different dimension reduction algorithms.

identification accuracy (%)	PCA	LLE	LPP	LTSA	LLTSA
Case 1	79.68	98.44	95.63	92.19	99.69
Case 2	74.25	98.25	99.75	97.75	99.75
Case 3	76.25	81.88	88.44	91.25	95.6
Case 4	23.2	79.2	80	80.8	90.5