Abbreviation(s)	Full name(s)
AAMI	Association for the Advancement of Medical Instrumentation
ABP	Arterial blood pressure
Acc.	Accuracy
AE	Absolute error
ANN	Artificial neural network
ANSI	American National Standards Institute
BCG	Ballistocardiography
BHS	British Hypertension Society
BMI	Body mass index
BP	Blood pressure
CHD	Coronary heart disease
CNN	Convolutional neural network
CO	Cardiac output
CP	Cardiac period
CV	Cardiovascular
CVD	Cardiovascular disease
CWT	Continuous wavelet transform
DBP	Diastolic blood pressure
DL	Deep learning
DNN	Deep neural network
DT	Diastolic time
DWT	Discrete wavelet transform
ECG	Electrocardiography
FCNN	Fully connected neural network
FFT	Fast Fourier transform
${\mathrm{FFT}}^{-1}$	An inverse of the fast Fourier transform
GAN	Generative adversarial network
GCG	Gyrocardiography
GRU	Gated recurrent unit
HT	Hypertension
IBP	Instant blood pressure
ICG	Impedance cardiography
IEEE	Institute of Electrical and Electronics Engineers
IMAR	Iterative metal artifact reduction
IPG	Impedance photoplethysmography
iPPG	Imaging photoplethysmography
IR	Infrared
JADE	Joint Approximation Diagonalisation of Eigen-matrices
JHS	Jackson Heart Study
LASSO	Least absolute shrinkage and selection operator
LMS filter	Least mean squares filter
LSTM	Long short-term memory
MAE	Mean absolute error
MAP	Mean arterial pressure
MAPD	Minimum absolute percentage difference
ME	Mean error
MERS	Middle East respiratory syndrome
MI	Myocardial infarction
MIC	Maximal information coefficient
MIMIC	Medical Information Mart for Intensive Care
ML	Machine learning
mNPV	Modified normalised pulse volume
NT	Normotension
OD	Oscillometric device
OLE	Ordinary least squares
PAT	Pulse arrival time
PCA	Principal component analysis
PCG	Phonocardiogram
PD	Phase difference
PEP	Pulse ejection period
PHT	Prehypertension
PIR	Photoplethysmogram intensity ratio
PPG	Photoplethysmography
PTT	Pulse transit time
PWA	Pulse wave analysis
PWV	Pulse wave velocity
RMSE	Root mean square error
RNN	Recurrent neural network
ROI	Regions of interest
rPPG	Remote photoplethysmography
RZS	Random zero sphygmomanometer
SARS	Severe acute respiratory syndrome
SBP	Systolic blood pressure
SBS	Strain-based sensor
SCG	Seismocardiography
${\mathrm{SpO}}_2$	Oxygen saturation
SUT	Systolic upstroke time
SV	Support vector
SVM	Support vector machine
TML	Traditional machine learning
TOI	Transdermal optical imaging
TPR	Total peripheral resistance
UQVS	The University of Queensland vital signs