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GeoCLOSP-RN

CLOSP (Contrastive Language Optical SAR Pretraining) is a multimodal architecture designed for text-to-image retrieval. It creates a unified embedding space for text, Sentinel-2 (MSI), Sentinel-1 (SAR), and location data. The GeoCLOSP-RN variant uses a ResNet-50 vision backbone and SatCLIP location encoder.

Model Details

The model uses four separate encoders: one for text, one for Sentinel-1 (SAR) data, one for Sentinel-2 (MSI), and one for location data. During training, it uses a contrastive objective to align the textual embeddings with the corresponding visual embeddings (either SAR or MSI) and coordinates.

  • Developed by: Daniele Rege Cambrin
  • Model type: CLOSP
  • Language(s) (NLP): english
  • License: OpenRAIL
  • Finetuned from model: [More Information Needed]
  • Repository: GitHub
  • Paper: ArXiv

How to Get Started with the Model

Use the code below to get started with the model.

model = AutoModel.from_pretrained("DarthReca/GeoCLOSP-RN", trust_remote_code=True)  

Citation

@misc{cambrin2025texttoremotesensingimageretrievalrgbsources,
      title={Text-to-Remote-Sensing-Image Retrieval beyond RGB Sources}, 
      author={Daniele Rege Cambrin and Lorenzo Vaiani and Giuseppe Gallipoli and Luca Cagliero and Paolo Garza},
      year={2025},
      eprint={2507.10403},
      archivePrefix={arXiv},
      primaryClass={cs.CV},
      url={https://arxiv.org/abs/2507.10403}, 
}

Licensing

The data in this dataset is a compilation of multiple sources, each with its own license. For detailed information on the licensing of each component, please see the NOTICE.md file.

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