- Implement object extraction from segmentation and height maps in `infer/objects.py`.
- Add class map previews and detected objects overlay in `viz/classes.py`.
- Update `app.py` to save segmentation and object data as artifacts.
- Enhance README with details on object classes and 3D objects.
- Create tests for object extraction in `tests/test_objects.py`.
- Update requirements and configuration files for new dependencies.
