Open Access
Table 1
Hyperparameters to be optimized by Optuna.
| Parameters | Value: min, max | Step size |
|---|---|---|
| No. convolutional layers | 2, 3 | 1 |
| No. convolutional filter in each layer | 16, 128 | 16 |
| Filter size of first layer | 1, 5 | 2 |
| Filter size of other layers | 1, 3 | 2 |
| No. FC layer | 2, 3 | 1 |
| No. FC neurons in each layer | 32, 512 | 32 |
| Dropout ratio in each FC layer | 0.2, 0.5 | 0.1 |
| Optimizer | Adam, RMSprop, SGD | |
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