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Mathematical Formulas for the Evaluation Metrics’ Computation
| SL.NO | Evaluation Metrics | Mathematical Expression |
|---|---|---|
| 01 | Accuracy | |
| 02 | Sensitivity or recall | |
| 03 | Specificity | |
| 04 | Precision | |
| 05 | F1-Score |
Specification of the FECG Datasets
| S1.No | Recording Characterization | Specification |
|---|---|---|
| 1 | Recording Period | 38 to 41 Weeks of Gestation |
| 2 | Signals From Maternal Abdomen | 04 |
| 3 | Types of Electrodes | Ag-AgCl Electrode |
| 4 | Bandwidth | 1Hz-150Hz |
| 5 | Filtering Type | Digital filtering |
| 6 | Sampling Rate | 1KHz |
| 7 | Resolution | 16 bits |
| 8 | Total Number of Datasets | 5089 |
Parameters of T5 Model
| Parameter | Description | Value |
|---|---|---|
| Model Size | Number of parameters in the model | T5-Small |
| Input Length | Maximum sequence length for input text. | 512 tokens |
| Output Length | Maximum sequence length for output text. | 128 tokens |
| Vocabulary Size | Size of the token vocabulary (default: 32,000 for T5). | 32,000 |
| Number of Layers | Number of encoder and decoder layers in the model. | 6 encoder, 6 decoder |
| Hidden Size | Size of the hidden representation in the encoder/decoder (e.g., 512 for T5-Small). | 512 |
| Feed-Forward Size | Size of the feed-forward network in each transformer block. | 2048 |
| Number of Attention Heads | Number of attention heads in the self-attention framework. | 8 |
| Dropout Rate | Dropout probability applied to attention weights and feed-forward layers. | 0.1 |
| Positional Embeddings | Fixed sinusoidal embeddings used for positional information. | Yes |
| Optimizer | Algorithm used for optimization (e.g., Adam, Adafactor). | Adafactor |
| Learning Rate | Initial learning rate for training. | 0.001 |
| Training Steps | Total number of steps for training. | ~10,000 steps |
| Batch Size | Number of samples processed in one forward/backward pass. | 32 |
| Weight Initialization | Method for initializing model weights (e.g., Xavier initialization). | Xavier Initialization |
| Pre-trained Tasks | Text-to-text tasks the model has been trained on (e.g., translation, summarization). | Summarization, classification |
| Fine-tuning Tasks | Downstream tasks for which the model can be fine-tuned. | FHR classification, FECG signal processing |