| RUL | Remaining Useful Life |
| CT | Computed Tomography |
| PdM | Predictive Maintenance |
| PvM | Preventive Maintenance |
| IoMT | Internet of Medical Things |
| DDLNet | Dual-branch Deep Learning Network |
| RSA-BiLSTM | Residual self-attention Bidirectional Long Short-Term Memory |
| D-TCN | Dilation-Temporal Convolutional Network |
| CNN | Convolutional Neural Network |
| LSTM | Long Short-Term Memory |
| QKV | Query-Key-Value |
| MSE | Mean Squared Error |
| MAE | Mean Absolute Error |
| R2 | Coefficient of Determination |
| EMA | Exponential Moving Average |
| SVR | Support Vector Regression |
| CLSTM | Convolutional Long Short-Term Memory |
| AEC | Automatic Exposure Control |
| ZEC | Z-direction Exposure Control |
| LOOCV | Leave-One-Out Cross-Validation |