backend/checkpoints/sonar_meta.json

{
  "trained_at": "2026-05-26T08:40:17",
  "hyperparameters": {
    "epochs": 5,
    "lr": 0.0001,
    "weight_decay": 0.0005
  },
  "best_eer": 0.05,
  "history": [
    {
      "epoch": 1,
      "loss": 0.5030897529423237,
      "val_acc": 0.87,
      "val_eer": 0.13
    },
    {
      "epoch": 2,
      "loss": 0.37149550480302423,
      "val_acc": 0.8925,
      "val_eer": 0.10499999999999998
    },
    {
      "epoch": 3,
      "loss": 0.37056694543978663,
      "val_acc": 0.9175,
      "val_eer": 0.09999999999999999
    },
    {
      "epoch": 4,
      "loss": 0.27269763612770476,
      "val_acc": 0.9125,
      "val_eer": 0.06499999999999997
    },
    {
      "epoch": 5,
      "loss": 0.19607905470882542,
      "val_acc": 0.9375,
      "val_eer": 0.050000000000000024
    }
  ]
}