HPE	human pose estimation
LSTM	long short-term memory
GNN	graph neural network
GCN	graph convolution network
TCN	temporal convolutional network
RNN	recurrent neural network
MPJPE	mean per joint position error
MRPE	mean of the root position error
AUC	area under the curve
3D-PCK	percentage of correct key-points in 3D space
AP${}^{root}$	average precision of the root keypoint
GPU	graphics processing unit
GR	first 3D absolute pose methodology: GAST-Net + RootNet
GA	second 3D absolute pose methodology: GAST-Net${}_{ABS}$ trained on MuCo-Temp
GAR	third 3D absolute pose methodology: GAST-Net${}_{ABS}$ trained on MuCo-Temp + RootNet
Root-GAST	the whole pipeline: human detector + 2D pose estimator + 3D absolute pose estimator