CNN	Convolutional neural network
MLP	Multi-layer perceptron
SOTA	State-of-the-art
3D	Three-dimensional
2D	Two-dimensional
Re-Tanh	Rectified-Tanh
kNN	K nearest neighbor
GPU	Graphics processing unit
BN	Batch normalization
S3DIS	Stanford 3D Indoor Space
FLOPs	Floating-point operations