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README.md
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---
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license: openrail
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---
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license: openrail
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datasets:
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- DarthReca/crisislandmark
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language:
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- en
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library_name: transformers
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tags:
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- remote-sensing
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- text-to-image-retrieval
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- multimodal
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- geospatial
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- SAR
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- multispectral
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- crisis-management
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- earth-observation
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- contrastive-learning
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base_model:
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- sentence-transformers/all-MiniLM-L6-v2
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---
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# CLOSP-VL
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CLOSP (Contrastive Language Optical SAR Pretraining) is a multimodal architecture designed for text-to-image retrieval.
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It creates a unified embedding space for text, Sentinel-2 (MSI), and Sentinel-1 (SAR) data.
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The CLOSP-VL variant uses a ViT-large vision backbone.
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## Model Details
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The model uses three separate encoders: one for text, one for Sentinel-1 (SAR) data, and one for Sentinel-2 (MSI) data.
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During training, it uses a contrastive objective to align the textual embeddings with the corresponding visual embeddings (either SAR or MSI).
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- **Developed by:** Daniele Rege Cambrin
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- **Model type:** CLOSP
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- **Language(s) (NLP):** english
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- **License:** OpenRAIL
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- **Finetuned from model:** [More Information Needed]
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- **Repository:** [GitHub](https://github.com/DarthReca/closp)
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- **Paper:** [ArXiv](https://arxiv.org/abs/2507.10403)
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## How to Get Started with the Model
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Use the code below to get started with the model.
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```python
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model = AutoModel.from_pretrained("DarthReca/CLOSP-VL", trust_remote_code=True)
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```
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## Citation
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```bibtex
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@misc{cambrin2025texttoremotesensingimageretrievalrgbsources,
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title={Text-to-Remote-Sensing-Image Retrieval beyond RGB Sources},
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author={Daniele Rege Cambrin and Lorenzo Vaiani and Giuseppe Gallipoli and Luca Cagliero and Paolo Garza},
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year={2025},
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eprint={2507.10403},
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archivePrefix={arXiv},
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primaryClass={cs.CV},
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url={https://arxiv.org/abs/2507.10403},
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}
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```
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