BPF	Bandpass Filter
DCT	Discrete Cosine Transform
DWT	Discrete Wavelet Transform
ECG	Electrocardiogram
EEMD	Ensemble Empirical Mode Decomposition
EER	Equal Error Rate
FAR	False Acceptance Rate
FRR	False Rejection Rate
GMM	Gaussian Mixture Models
HPF	Highpass Filter
IDR	Identification Rate
kNN	k-Nearest Neighbours
LDA	Linear Discriminant Analysis
MAF	Moving Average Filter
MLP	Multilayer Perceptron
NCCC	Normalised Cross-Correlation Clustering
PCA	Principal Component Analysis
RBF	Radial Basis Function
SG	Savitzky-Golay
SIMCA	Soft Independent Modelling of Class Analogy
SVM	Support Vector Machines
UBM	Universal Background Models