ITS	Intelligent Transportation Systems
APL	Adaptive Perceptual Learning
HFPN	Hierarchical Feature Pyramid Network
WHO	World Health Organization
LBP	Local Binary Pattern
HOG	Histogram of Oriented Gradients
SVM	Support Vector Machines
CNN	convolutional neural network
FPN	feature pyramid network
NMS	Non-Maximum Suppression
NWPG	Nonlinear Weighted Pseudo Boxes Generation
GC	global context
DCN	deformable convolution
ECA	Efficient Channel Attention
RPN	Region Proposal Network
IoU	Intersection over Union
PR Curve	precision–recall curve
ROC	Receiver Operating Characteristic