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--- |
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tags: |
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- croissant |
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- remote-sensing |
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- forestry |
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- earth-observation |
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- evo-land |
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- Europe |
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- SSL4EO |
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- Sentinel-2 |
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- Copernicus |
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license: cc-by-4.0 |
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datasets: |
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- ssl4eo_eu_forest |
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language: |
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- en |
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--- |
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# SSL4EO-EU-Forest |
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<table> |
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<tr> |
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<td align="center"> |
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<img src="https://cdn-uploads.huggingface.co/production/uploads/66f8758c91a4135d96b80176/Qi5QpnIMUI1AdX5hSv9zN.png" alt="Sentinel-2 L2A winter scene" width="200"/> |
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<br/> |
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<sub>Sentinel-2 winter scene</sub> |
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</td> |
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<td align="center"> |
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<img src="https://cdn-uploads.huggingface.co/production/uploads/66f8758c91a4135d96b80176/4Nrz90xyXWoeRJC-K4eSm.png" alt="Sentinel-2 L2A winter scene" width="200"/> |
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<br/> |
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<sub>tree (green) segmentation</sub> |
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</td> |
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<td align="center"> |
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<img src="https://cdn-uploads.huggingface.co/production/uploads/66f8758c91a4135d96b80176/N5tYT2rSHK_k5y8U7z3EH.png" alt="tree (green) segmentation" width="200"/><br/> |
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<sub>Sentinel-2 summer scene</sub> |
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</td> |
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<td align="center"> |
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<img src="https://cdn-uploads.huggingface.co/production/uploads/66f8758c91a4135d96b80176/sEsiAbhag9XPqdE7c_7Jq.png" alt="tree (green) segmentation" width="200"/><br/> |
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<sub>tree (green) segmentation</sub> |
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</td> |
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</tr> |
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</table> |
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## Introduction |
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The dataset is an add-on to the globally sampled SSL4EO-S12 pre-training dataset (https://doi.org/10.1109/MGRS.2023.3281651) where `v1.1` is available at https://huggingface.co/datasets/embed2scale/SSL4EO-S12-v1.1 with downstream tasks in https://huggingface.co/datasets/embed2scale/SSL4EO-S12-downstream . |
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## Data Characteristics |
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*SSL4EO-EU-Forest* assembles an additional downstream task (85 GB) for binary semantic segmentation of forest land cover as follows: |
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- `images/` sub-directory: It curates 16K spatial patches (264x264 pixels) of Sentinel-2 L2A imagery (`UInt16` GeoTIFF, 12 bands upsampled to 10m pixel resolution) over European forests. Each geolocation contains up to four Sentinel-2 timestamps from all seasons (winter, spring, summer, fall) of year 2018. The cloud cover in each scene is below 10%. |
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- `masks/` sub-directory: Forest masks (`0` = non-tree covered areas, `1` = broadleaved forest, `2` = coniferous forest; `Byte` GeoTIFF) have been derived from the 2018 HRL dataset (https://doi.org/10.2909/486f77da-d605-423e-93a9-680760ab6791) available through the Copernicus Land Monitoring Service, cf. https://land.copernicus.eu/en/products/high-resolution-layer-forests-and-tree-cover/dominant-leaf-type-2018-raster-10-m-europe-yearly . |
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- Data of a geolocation are placed in numbered sub-directories (e.g. `0017618`) of `images/` and `masks/`, respectively. Each of those for the `images/` directory contains four directories indicating the four seasons as per convention by Sentinel-2. For example, `20180520T094031_20180520T094033_T35VMH` denotes the sensing start time as approx. May 20, 2018 at 9.41am UTC (spring scene) for geolocation defined by tile ID `T35VMH` (which the patch was cropped from). General details on Sentinel-2 products in https://sentiwiki.copernicus.eu/web/s2-products . |
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## Spatial Coverage |
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<img src="https://cdn-uploads.huggingface.co/production/uploads/66f8758c91a4135d96b80176/7dcsK6k5MchJcmikkI-dC.png" alt="Spatial Distribution of SSL4EO-EU-Forest" width="700"/> |
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## Access API |
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see https://github.com/cmalbrec/ssl4eo_eu_forest |
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## Funding |
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This work was carried under the *EvoLand* project, cf. https://www.evo-land.eu . This project has received funding from the European Union's Horizon Europe research and innovation programme under grant agreement No. `101082130`. |
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## Citation |
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```bibtex |
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@misc{ssl4eo_eu_forest, |
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author = {Braham Ait Ali, Nassim and Albrecht, Conrad M}, |
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title = {SSL4EO-EU Forest Dataset}, |
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year = {2025}, |
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howpublished = {https://github.com/cmalbrec/ssl4eo_eu_forest}, |
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doi = {10.5281/zenodo.17290776} |
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} |
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``` |
