car-body-classifier / metadata.json
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{
"arch_key": "efficientnetv2_s",
"timm_id": "tf_efficientnetv2_s",
"role": "active",
"class_names": [
"SUV",
"VAN",
"STATION_WAGON",
"MICRO",
"ACIK_TEKERLEKLI_F1_ARACLARI",
"SEDAN",
"HATCHBACK",
"PICK_UP"
],
"num_classes": 8,
"seed": 20260506,
"best_epoch": 13,
"best_val_f1_macro": 0.957292,
"best_val_accuracy": 0.970439,
"best_val_f1_weighted": 0.970565,
"per_class_val_f1": {
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"SEDAN": 0.976542,
"HATCHBACK": 0.927184,
"PICK_UP": 0.95
},
"hyperparameters": {
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"epochs_configured": 30,
"epochs_executed": 30,
"learning_rate": 0.0003,
"optimizer": "adamw",
"weight_decay": 0.0001,
"label_smoothing": 0.05,
"early_stopping_patience": 7,
"checkpoint_metric": "val_f1_macro"
},
"imbalance_handling": {
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"VAN": 6319,
"STATION_WAGON": 1077,
"MICRO": 386,
"ACIK_TEKERLEKLI_F1_ARACLARI": 1801,
"SEDAN": 7010,
"HATCHBACK": 3006,
"PICK_UP": 5115
},
"minority_classes": {
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"MICRO": 386,
"ACIK_TEKERLEKLI_F1_ARACLARI": 1801,
"HATCHBACK": 3006
},
"weighted_sampler_used": false,
"class_weight_used": true
},
"augmentation_policy": {
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"cutmix_alpha": 0.0,
"remix_enabled": false,
"use_mixup": false,
"use_cutmix": false
},
"pretrained_weights": "imagenet",
"fully_fine_tune": true,
"precision_policy": "fp32",
"preprocessing_config": "preprocessing_current.json",
"preprocessing_config_hash": "9351c46b59ab9820",
"train_manifest": "data/manifests/splits/train_manifest.jsonl",
"train_manifest_hash": "495ce3be11faa67f",
"val_manifest": "data/manifests/splits/val_manifest.jsonl",
"val_manifest_hash": "0ff8b5181f266ef6",
"param_count": 20187736,
"approx_mb_fp32": 86,
"artifact_path": "artifacts/models/efficientnetv2_s_best.pt",
"artifact_bytes": 81653138,
"artifact_mb": 77.87,
"artifact_sha256": "2e8f2810d10c9b56042abe0f65aef28c514e76c0830dd418f96e1e4b41c7392d",
"is_dry_run": false,
"is_final": true,
"training_log_path": "artifacts/training/training_log.jsonl",
"packaged_as": "final_calibrated",
"model_file": "efficientnetv2_s_best.pt",
"calibration_file": "calibration.json",
"calibration": {
"method": "temperature_scaling",
"temperature": 0.565484,
"fit_split": "validation",
"apply_at_inference": "probs = softmax(logits / temperature)"
},
"test_metrics_raw": {
"accuracy": 0.96663,
"f1_macro": 0.954043,
"f1_weighted": 0.966779,
"nll": 0.248412,
"brier": 0.078886,
"ece_15_bins": 0.126878,
"mean_confidence": 0.839925
},
"test_metrics_calibrated": {
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"f1_macro": 0.954043,
"f1_weighted": 0.966779,
"nll": 0.152494,
"brier": 0.055011,
"ece_15_bins": 0.009874,
"mean_confidence": 0.968902
}
}