Centered Kernel Alignment Enhancing Neural Network Pretraining for MRI-Based Dementia Diagnosis

Figure 2

Artificial neural network performance along the number of nodes in the hidden layer () for the three initialization approaches: autoencoder, PCA-based projection, and CKA-based projection. Results are computed under -fold cross-validation scheme.

(a) AEN

(b) PCA

(c) CKA