C-HMM	Continuous Hidden Markov Models
CDBN	Convolutional Deep Belief Networks
DCNN	Deep Convolutional Neural Networks
DL	Deep Learning
DMF	Dichotomous Mapped Forest
DMF-DL	DMF with Deep Learning mapping
DMF-Metric	DMF with Metric learning mapping
DAUT	Discriminatory Autoencoder
GPU	Graphical Processing Unit
HV	Healthy Volunteers
KL	Kullback-Leibler
L5	L5 lumbar vertebra
MCM	Maximally collapsing metric
MEMS	Microelectromechanical systems
Metric	Metric Learning
RBF	Radial Basis Function
RF	Random Forest
ROC	Receiver Operating Characteristic
RBM	Restricted Boltzmann Machine
RA	Rheumatoid Arthristis
RMS	Root Mean Squared
SFFS	Sequential Fowards Floating Selection
SVM	Support Vector Machine