Facial Expression Recognition Based on Discriminant Neighborhood Preserving Nonnegative Tensor Factorization and ELM

Table 3

The top recognition rate and the corresponding dimensions achieved on the Cohn-Kanade database.

	DNPNTF	NMF	DNMF	NTF
Recognition rates (%)	63.61	58.17	58.83	59.72
Dimensions	101	76	26	120