| license: mit | |
| tags: | |
| - image-classification | |
| - vit | |
| - bittensor-sn72 | |
| - roadwork | |
| base_model: natix-network-org/roadwork | |
| # Roadwork classifier (fine-tuned for Bittensor SN72) | |
| Fine-tuned from `natix-network-org/roadwork` against the validator augmentation pipeline | |
| in `natix/utils/image_transforms.py` (rotation/flips/JPEG/blur/noise/color distortions). | |
| ## Training | |
| - 4 epochs, AdamW lr=2e-5 cosine schedule, class weights for the 4:1 label imbalance | |
| - Filter rule from validator's image cache applied to keep only consistent (description, label) pairs | |
| ## Eval (augmented test set, 2,263 examples) | |
| | Metric | Baseline | This model | Cubic reward gain | | |
| |---|---|---|---| | |
| | Accuracy | 0.9633 | 0.9806 | | | |
| | MCC | — | 0.8888 | | | |
| | Reward proxy | 0.8564 | 0.9347 | +30.0% | | |