Update README and add LICENSE

LICENSE

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+MIT License
+
+Copyright (c) 2026 Chang Sun
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.
+
+---
+
+Note: This repository uses DINOv3 pretrained weights which are licensed
+separately by Meta under the [DINOv3 License](https://github.com/facebookresearch/dinov3).
+When using DINOv3 materials, please comply with Meta's terms.

README.md

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----
-license: mit
----
+# SL-HOI
+
+[Paper](https://arxiv.org/abs/2603.27500) | [GitHub](https://github.com/MPI-Lab/SL-HOI)
+
+Streamlined one-stage framework for open-vocabulary human-object interaction detection built upon DINOv3.
+
+## Model Weights
+
+- `params/` - Pre-computed HOI classifier weights
+- `pretrained/` - Trained checkpoints
+
+## Citation
+
+```bibtex
+@inproceedings{slhoi2026,
+title={Streamlined Open-Vocabulary Human-Object Interaction Detection},
+author={Chang Sun and Dongliang Liao and Changxing Ding},
+booktitle={CVPR},
+year={2026}
+}