Table 1 Performance measurement ratios. For each optimal set of hyperparameters in each subsampling, we reported the training time (in minutes and seconds), validation Accuracy (%), and both the overall test accuracy and the per-variant test accuracy (%).
Variant subsampling 01 | |||
|---|---|---|---|
Experimental hyperparameters | Training time | Validation accuracy | Test accuracy |
Learning rate: 0.0001 Batch size: 52 Epochs: 1 | 1190 min 10 s | 99.42% | Pre-VOC: 97.73% Alpha: 99.79% Delta: 99.88% Omicron: 99.74% Global: 99.40% |
Variant subsampling 02 | |||
Experimental hyperparameters | Training time | Validation accuracy | Test accuracy |
Learning rate: 0.0001 Batch size: 52 Epochs: 1 | 1626 min 16 s | 99.52% | Pre-VOC: 98.12% Alpha: 99.86% Delta: 99.73% Omicron: 99.85% Global: 99.48% |