AP	Averaged AP at IoUs from 0.5 to 0.95 with an interval of 0.05
AP50	AP at IoU threshold 0.5
AP75	AP at IoU threshold 0.75
APL	AP for objects of large scales (area > 962)
APM	AP for objects of medium scales (322 < area < 962)
APS	AP for objects of small scales (area < 322)
BCTSDB	BUU Chinese Traffic Sign Detection Benchmark
CNN	Convolutional Neural Network
FLOPs	Floating-point operations per second
FPN	Feature pyramid network
FPS	Frames Per Second
GEE	Global Extract Encoder
HOG	Histogram of Oriented Gradients
IoU	Intersection over union
LSTM	Long Short-Term Memory
NMS	Non-Maximum Suppression
RNN	Recurrent Neural Network
SOTA	State-of-the-art
SSD	Single Shot MultiBox Detector
SVM	Support Vector Machine
VRAM	Video random access memory
YOLO	You Only Look Once