Application of an Artificial Intelligence System Recognition Based on the Deep Neural Network Algorithm

Table 5

Comparison of the dimension reduction effects of PCA.

Dimensionality reduction	LFW accuracy
No PCA	0.9760
PCA 50	0.9613
PCA 100	0.9755
PCA 150	0.9765
PCA 180	0.9772
PCA 200	0.9765
PCA 250	0.9782
PCA 280	0.9782
PCA 300	0.9778