| ANN | Artificial Neural Network |
| CELearning | Cascade Ensemble Learning |
| CNN | Convolutional Neural Network |
| DBN | Deep Belief Network |
| ExtraTrees | Extremely Randomized Trees |
| FFT | Fast Fourier Transform |
| HAR | Human Activity Recognition |
| SAE | Stacked Autoencoder |
| SVM | Support Vector Machine |
| XGBoost | Extremely Gradient Boosting Trees |