ANS	Autonomic Nervous System
AUC	Area Under the Curve
BSS	Blind Source Separation
BVP	Blood Volume Pulse
CLNF	Constrained Local Neural Fields
CMA	Circumplex Model of Affect
COTS	Commercial Off-the-shelf
DSR	Design Science Research
ECG	Electrocardiogram
EEG	Electroencephalogram
EMG	Electromyography
FA	Facial Actions
FACS	Facial Action Coding System
FPS	Frames Per Second
HCI	Human–Computer Interaction
HR	Heart Rate
HRV	Hear Rate Variability
ICA	Independent Component Analysis
LOOCV	Leave-One-Out Cross-Validation
LOSOCV	Leave-One-Session-Out Cross-Validation
PNS	Parasympathetic Nervous System
RGB	Red Green Blue
ROI	Region of Interest
rPPG	Remote Photoplethysmography
RR	Respiratory Rate
SNS	Sympathetic Nervous System
SVM	Support Vector Machine