Research Article

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

Figure 4

Receiver-operating-characteristic curve ((a), (b), and (c)) and confusion matrix ((d), (e), and (f)) on the test data for AEN ((a) and (d)), PCA ((b) and (e)), and CKA ((c) and (f)) initialization approaches at the best parameter set of the ANN classifier.
(a) AEN (: 64.9)
(b) PCA (: 80.0)
(c) CKA (: 85.3)
(d) AEN (: 47.6)
(e) PCA (: 63.8)
(f) CKA (: 70.9)