CNN	Convolutional Neural Network
RNN	Recurrent Neural Network
YOLO	You Only Look Once
ICA	Iterative Cropping Algorithm
FCL	Fully Connected Layer
SRN	Stacked Regression Network
AWR	Adaptive Weighted Regression
SSD	Single Shot Multibox Detector
BB8	8 Corners of the Bounding Box
GCN	Graph Convolution Network
FPN	Feature Pyramid Network
HOAR	Hand–Object Pose Estimation Module Based on Anchor Regression
FPHA	First-Person Hand Action
MKE	Mean Keypoint Error
PCK	Percentage of Correct Keypoint Estimation