add license file

LICENSE.md

@@ -0,0 +1,73 @@
+# Academic Research Non-Commercial License
+
+**Copyright (c) [2025] [LuxCarta]**  
+All rights reserved.
+
+---
+
+## 1. Permission Grant
+
+Subject to the terms below, permission is hereby granted to any individual or organization (“User”) to:
+
+- Use the Software for **non-commercial academic research purposes**  
+- Modify the Software for internal research use  
+- Publish research results obtained using the Software  
+- Share modifications **only** with other licensed researchers
+
+This License does **not** permit commercial use of the Software.
+
+---
+
+## 2. Restrictions
+
+The following actions are **strictly prohibited** without prior written permission from the Copyright Holder:
+
+1. **Commercial Use** of any kind.  
+2. **Distribution**, **publication**, or **hosting** of the Software or derivative works outside academic/research environments.  
+3. Use of the Software as part of a **commercial service**, **product**, **consulting**, **paid project**, or **industrial research**.  
+4. Use within any entity whose primary purpose is commercial, unless the research use is:  
+   - Non-profit in nature, and  
+   - Not tied to any commercial activity.
+
+---
+
+## 3. Definition of “Commercial Use”
+
+“Commercial Use” means **any use intended for, or resulting in, commercial advantage, monetary compensation, or organizational benefit**, including but not limited to:
+
+- Use in or by a **for-profit company**, startup, or commercial lab  
+- Use in a **paid consultancy** or contract  
+- Integration into a product, prototype, or service  
+- Internal R&D at a company  
+- Use that contributes directly or indirectly to commercial goals
+
+If you are unsure whether a use case is commercial, assume **commercial** and request written permission.
+
+---
+
+## 4. Attribution
+
+Any academic publication, technical report, or presentation using the Software must include a clear citation.
+
+---
+
+## 5. No Warranty
+
+THE SOFTWARE IS PROVIDED “AS IS”, WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED.  
+THE COPYRIGHT HOLDER SHALL NOT BE LIABLE FOR ANY DAMAGES ARISING FROM THE USE OF THE SOFTWARE.
+
+---
+
+## 6. Termination
+
+This License is automatically terminated if the User violates any term of this License.  
+Upon termination, the User must destroy all copies of the Software.
+
+---
+
+## 7. Commercial Licensing
+
+Commercial licenses may be negotiated separately by contacting:  
+**[LuxCarta](luxcarta.com)**
+
+---

README.md

@@ -651,4 +651,9 @@ This repository benefits from the following open-source work. We thank the autho
 
 1. [Frame Field Learning](https://github.com/Lydorn/Polygonization-by-Frame-Field-Learning)
 2. [HiSup](https://github.com/SarahwXU/HiSup)
-3. [Pix2Poly](https://github.com/yeshwanth95/Pix2Poly)
+3. [Pix2Poly](https://github.com/yeshwanth95/Pix2Poly)
+
+
+## License
+
+The dataset is publish under the CC-BY-4.0 license. The code and pretrained models are published under an academic non-commerical license. See [LICENSE.md](LICENSE.md) for additional details.