Diagnosis of Alzheimer’s Disease Using Dual-Tree Complex Wavelet Transform, PCA, and Feed-Forward Neural Network

Table 9

Acronyms list.

Acronym	Definition
AD	Alzheimer’s disease
HC	Healthy control
MR(I)	Magnetic resonance (imaging)
DTCWT	Dual-tree complex wavelet transform
PCA	Principal component analysis
FNN	Feed-forward neural network
DWT	Discrete wavelet transform
OASIS	Open Access Series of Imaging Studies
MMSE	Mini mental state examination
CDR	Clinical dementia rating
SNR	Signal-to-noise ratio
VBM	Voxel-based morphometry
RF	Random forest
DF	Displacement field
SVM	Support vector machine
EB	Eigenbrain
WTT	Welch’s t-test
RBF	Radial basis function
BRC	Brain region cluster
IG	Information gain
KNN	k-nearest neighbor
ANN	Artificial neural network
SCV	Stratified cross-validation