Project Structure

1smart-classroom/
2├── main.py                  # Main application
3├── app.py                   # Dashboard app (train / test / camera)
4├── draw_pad.py              # Drawing pad with digit segmentation
5├── retrain_robust.py        # Trains models/expr_model.pth
6├── generate_tests.py        # Deterministic test image generator
7├── gen_demo.py              # Regenerates the README screenshots
8├── config.py                # Configuration
9├── requirements.txt         # Dependencies
10├── docs/                    # Demo screenshots
11├── utils/
12│   ├── face_detector.py     # Face detection & recognition
13│   ├── number_recognizer.py # CNN number recognition
14│   └── profile_manager.py   # Student profiles & grading
15├── models/                  # Saved ML models (gitignored)
16├── data/                    # MNIST + test data (gitignored)
17└── profiles/                # Student profile JSONs