{ "img_height": 256, "batch_size": 2, "num_epochs": 30, "learning_rate": 0.001, "weight_decay": 0.0001, "embedding_dim": 256, "num_heads": 8, "num_encoder_layers": 4, "dim_feedforward": 1024, "dropout": 0.1, "train_ratio": 0.7, "val_ratio": 0.15, "test_ratio": 0.15, "seed": 42, "device": "cpu" }