| { |
| "model_type": "ai-image-detector", |
| "architectures": ["ViTForImageClassification"], |
| "backbone": "vit_base_patch16_clip_224.openai", |
| "backbone_type": "clip_vit_base_patch16", |
| "patch_size": 16, |
| "image_size": 256, |
| "num_classes": 1, |
| "in_channels": 3, |
| "task": "image-classification", |
| "score_semantics": "sigmoid output is p(real); 0=fake, 1=real", |
| "decision_rule": "fake if p(real) < fake_threshold; real if p(real) >= real_threshold; otherwise uncertain", |
| "fake_threshold": 0.91, |
| "real_threshold": 0.93, |
| "temperature": 0.594889223575592, |
| "calibration_method": "temperature_nll", |
| "threshold_source": "dedicated_calibration_split", |
| "normalization_mean": [0.481, 0.458, 0.408], |
| "normalization_std": [0.269, 0.261, 0.276], |
| "training": { |
| "finetune_mode": "lora", |
| "lora_r": 16, |
| "lora_alpha": 32, |
| "lora_dropout": 0.05, |
| "lora_targets": ["qkv", "attn.proj"], |
| "augmentation_profile": "forensic", |
| "epochs_run": 12, |
| "epochs_requested": 20, |
| "early_stopped": true, |
| "seed": 42 |
| }, |
| "id2label": {"0": "fake", "1": "real"}, |
| "label2id": {"fake": 0, "real": 1} |
| } |
|
|
