2D	Two-dimension
3D	Three-dimension
3DMM	3D morphable model
BFM	Basel face model
CNNs	Convolutional neural networks
DECA	Detailed expression capture and animation
DL	Deep learning
FLAME	Faces learned with an articulated model and expressions
FPS	Frame per second
GAN	Generative adversarial network
GPU	Graphics processing unit
HD	High definition
PCA	Principal component analysis
ResNet	Residual neural network
RGB	Red green blue
RGB-D	Red green blue-depth
SCAI	Sorbonne center for artificial intelligence
SOP	Scaled orthographic projection