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# OpenCV Model Zoo – Contribution Guidelines

Welcome to the OpenCV Model Zoo! A zoo for models tuned for OpenCV DNN.  

---

## πŸ”— How to Contribute

1. **Create** a pull request on https://huggingface.co/opencv/opencv_contribution.  

2. **Add your files** in the pull request branch following the structure below.  

3. **Push** your changes.  

4. We’ll review your code and model data in the [Hugging Face Discussions](https://huggingface.co/opencv/opencv_contribution/discussions) and merge it.



---



## πŸ“ Folder Structure



Each model directory **must** follow this structure:



```text

<root-folder>/                        # i.e. opencv_contribution
β”œβ”€β”€ CMakeLists.txt                     # For C++ example build integration
β”œβ”€β”€ LICENSE                            # Your model’s license
β”œβ”€β”€ README.md                          # Model description & usage
β”œβ”€β”€ <model_name>_<year><mon>.onnx      # ONNX (or supported) model file;

β”‚                                       # use 4-digit year + three-letter month,

β”‚                                       # e.g. edge_detection_dexined_2024sep.onnx
β”œβ”€β”€ demo.cpp                           # (Optional) C++ demo
β”œβ”€β”€ demo.py                            # Python demo
β”œβ”€β”€ <helper_script>.py                 # (Optional) model‐loading wrapper
└── example_outputs/                   # Sample inputs & outputs

    β”œβ”€β”€ input_image.png                # At least one representative input
    β”œβ”€β”€ output_image.png               # Your model’s result on that input

    └── result.gif                     # (Optional) output animation

```


---
## License

OpenCV Zoo is licensed under the [Apache 2.0 license](./LICENSE). Please refer to licenses of different models.