Symbol	Abbreviation
Acc	Accuracy
AF	Amaurosis fugax
AI	Artificial intelligence
APSI	Atheromatic plaque separation index
Asym	Asymptomatic plaque
AUC	Area-under-the-curve
CAD	Computer-aided diagnostic
CT	Computed tomography
CV	Cross-validation
CVD	Cardiovascular disease
DCNN	Deep convolutional neural network
DL	Deep learning
DOR	Diagnostics odds ratio
DWT	Discrete wavelets transform
DY	Diagnostic yield
EAI	Enhanced activity index
ED	Euclidean distance
FC, FCN	Fully connected network
FD	Fractal dimension
FN	Fine-tune networks
GLDS	Gray level difference statistic
Grad-Cam	Gradient-weighted class activation map
GSM	Greyscale median
ICA	Internal carotid artery
IV3	Inception V3
k-NN	K-nearest neighbor
LOPO	Leave-one-participant-out
MFS	Mean feature strength
ML	Machine learning
MRI	Magnetic resonance imaging
MUV	M-mode ultrasound videos
PTC	Plaque tissue characterization
ReLu	Rectified linear unit
RMM	Rayleigh mixture model
ROC	Receiver operating characteristic curve
ROI	Region-of-interest
SACI	Symptomatic and asymptomatic carotid index
SGLD	Spatial gray level dependence matrices
SOM	Self-organizing map
SVM	Support vector machine
sym	Symptomatic plaque
TL	Transfer learning
US	Ultrasound
USA	United States of America
VGG	Visual geometric group
WHO	World Health Organization