Check whether there is a surface crack given surface image.

See https://www.kaggle.com/code/dima806/surface-crack-image-detection-vit for more details.

```
Classification report:

              precision    recall  f1-score   support

    Positive     0.9988    0.9995    0.9991      4000
    Negative     0.9995    0.9988    0.9991      4000

    accuracy                         0.9991      8000
   macro avg     0.9991    0.9991    0.9991      8000
weighted avg     0.9991    0.9991    0.9991      8000
```
positive negative