HAR	Human Activity Recognition
OSR	Open-Set Recognition
IMU	Inertial Measurement Unit
CNN	Convolutional Neural Network
MLS	Maximum Logit Score
NNDR	Nearest-Neighbor Distance Ratio
GMM	Gaussian Mixture Model
KDE	Kernel Density Estimation
LOAO	Leave-One-Activity-Out
LOSO	Leave-One-Subject-Out
AUROC	Area Under the Receiver Operating Characteristic curve