# Third Party Licenses

This project uses third-party libraries that are subject to their own licenses.

## nvdiffrast

**Project:** https://github.com/NVlabs/nvdiffrast  
**License:** NVIDIA Source Code License (1-Way Commercial)  
**Usage:** Non-commercial use (research or evaluation purposes only)

```text
Copyright (c) 2020, NVIDIA Corporation. All rights reserved.

This work is made available under the Nvidia Source Code License (1-Way Commercial).
The Work and any derivative works thereof only may be used or intended for use 
non-commercially. "Non-commercially" means for research or evaluation purposes only 
and not for any direct or indirect monetary gain.

Full license: https://github.com/NVlabs/nvdiffrast/blob/main/LICENSE.txt
```

**Key Points:**
- ✅ Research/Academic Use: Permitted
- ❌ Commercial Use: Requires separate licensing from NVIDIA
- 📞 Commercial Licensing: https://www.nvidia.com/en-us/research/inquiries/

## Wan Team Libraries

**Project:** Various components in `wan/` directory  
**License:** Apache License 2.0  
**Copyright:** Copyright (c) 2024 Wan Team

```text
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at

    http://www.apache.org/licenses/LICENSE-2.0

Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
```

## Hugging Face Diffusers

**Project:** https://github.com/huggingface/diffusers  
**License:** Apache License 2.0  
**Copyright:** Copyright 2024 The HuggingFace Team

```text
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at

    http://www.apache.org/licenses/LICENSE-2.0

Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
```

## Hugging Face Transformers

**Project:** https://github.com/huggingface/transformers  
**License:** Apache License 2.0  
**Copyright:** Copyright 2024 The HuggingFace Team

```text
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at

    http://www.apache.org/licenses/LICENSE-2.0

Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
```

## PEFT (Parameter-Efficient Fine-Tuning)

**Project:** https://github.com/huggingface/peft  
**License:** Apache License 2.0  
**Copyright:** Copyright 2024 The HuggingFace Team

```text
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at

    http://www.apache.org/licenses/LICENSE-2.0

Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
```

## Other Dependencies

The following dependencies are used under their respective licenses:

- **PyTorch & TorchVision**: BSD-3-Clause License
- **Einops**: MIT License
- **OmegaConf**: BSD-3-Clause License
- **Trimesh**: MIT License
- **Gradio**: Apache License 2.0
- **OpenCV**: BSD-3-Clause License
- **NumPy**: BSD-3-Clause License
- **ImageIO**: BSD-2-Clause License

## Individual Contributors

**Qi Xin** - Condition Transformer implementation in `utils/controlnet_union.py`
- Copyright by Qi Xin (2024/07/06)
- Condition Transformer component for fusing single/multi conditions with input image

For the complete list of dependencies and their licenses, please refer to the respective package repositories.