1DMRLBP	1-dimensional Multi-resolution Local Binary Patterns
AB	Ada Boost
BB	Behavioral Biometrics
BT	Bayesian Theory
CA	Continuous Authentication
CC	Cross-Correlation
CEW	Closed Eyes in the Wild
COTS	Commercial Off The Shelf
CNN	Convolutional Neural Network
CRR	Correct Rejection Rate
CRM	Cyclic Rotation Metric
DDM	Drift Detection Method
DTW	Dynamic Time Warping
ED	Euclidean Distance
ERR	Equal Error Rate
FAR	False Acceptance Rate
FC	Fuzzy Commitment
FF	Feed Forward
FFT	Fast Fourier Transform
FPR	False Positive Rate
FRR	False Rejection Rate
GAN	Genuine Authentication Rate
GDI	Gait Dynamics Images
HMM	Hidden Markov Model
HTER	Half Total Error Rate
Idp	Identity Provider
kNN	k-Nearest Neighbors
LBP	Local Binary Pattern
LDA	Linear Discriminative Analysis
LS	Least Square
Mot2vec	Motion-to Vector
LR	Linear Regression
MAD	Median Absolute Deviation
MHD	Modified Hausdorff Distance
MLP	Multi Layered Perception
NB	Naive Bayes
PCA	Principal Component Analysis
PSO-RBFN	Particle Swarm Optimization Radial Basis Function Network
RF	Random Forest
SP	Service Provider
SRC	Sparse Representation Classification
SVM	Support Vector Machine
TPR	True Positive Rate
W2V	Word2Vec
VAD	Voice Activity Detection
ZMCP	Ziv–Merhav Cross Parsing