IGNF/FLAIR-HUB_LC-A_RGB_swinbase-upernet

🌐 FLAIR-HUB Model Collection

• Trained on: FLAIR-HUB dataset 🔗
• Available modalities: Aerial images, SPOT images, Topographic info, Sentinel-2 yearly time-series, Sentinel-1 yearly time-series, Historical aerial images
• Encoders: ConvNeXTV2, Swin (Tiny, Small, Base, Large)
• Decoders: UNet, UPerNet
• Tasks: Land-cover mapping (LC), Crop-type mapping (LPIS)
• Class nomenclature: 15 classes for LC, 23 classes for LPIS

🆔 Model ID	🗺️ Land-cover	🌾 Crop-types	🛩️ Aerial	⛰️ Elevation	🛰️ SPOT	🛰️ S2 t.s.	🛰️ S1 t.s.	🛩️ Historical
LC-A	✓		✓
LC-D	✓		✓			✓
LC-F	✓		✓			✓	✓
LC-G	✓					✓
LC-I	✓				✓
LC-L	✓		✓	✓	✓	✓	✓
LPIS-A		✓	✓
LPIS-F		✓				✓
LPIS-I		✓			✓	✓	✓
LPIS-J		✓	✓		✓	✓	✓

🔍 Model: FLAIR-HUB_LC-A_RVB_swinbase-upernet

• Encoder: swin_base_patch4_window12_384
• Decoder: upernet
• Metrics:

mIoU	O.A.	F-score	Precision	Recall
64.05%	76.78%	76.88%	77.71%	76.59%

• Params.: 89.4

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General Informations

• Contact: flair@ign.fr
• Code repository: https://github.com/IGNF/FLAIR-HUB
• Paper: https://huggingface.co/papers/2506.07080
• Developed by: IGN
• Compute infrastructure:
  • software: python, pytorch-lightning
  • hardware: HPC/AI resources provided by GENCI-IDRIS
• License: Etalab 2.0

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Training Config Hyperparameters

- Model architecture: swin_base_patch4_window12_384-upernet
- Optimizer: AdamW (betas=[0.9, 0.999], weight_decay=0.01)
- Learning rate: 5e-5
- Scheduler: one_cycle_lr (warmup_fraction=0.2)
- Epochs: 150
- Batch size: 5
- Seed: 2025
- Early stopping: patience 20, monitor val_miou (mode=max)
- Class weights:
    - default: 1.0
    - masked classes: [clear cut, ligneous, mixed, other] → weight = 0
- Input channels:
    - AERIAL_RGBI : [1,2,3]
- Input normalization (custom):
    - AERIAL_RGBI:
        mean: [105.66, 111.35, 102.18 ]
        std:  [52.23, 45.62, 44.30]

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Training Data

- Train patches: 152225
- Validation patches: 38175
- Test patches: 50700

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Training Logging

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Metrics

Metric	Value
mIoU	64.05%
Overall Accuracy	76.78%
F-score	76.88%
Precision	77.71%
Recall	76.59%

Class	IoU (%)	F-score (%)	Precision (%)	Recall (%)
building	83.77	91.17	91.42	90.92
greenhouse	77.89	87.57	85.28	89.99
swimming pool	58.50	73.82	77.36	70.58
impervious surface	75.03	85.73	87.13	84.38
pervious surface	56.97	72.59	70.18	75.17
bare soil	65.21	78.94	74.64	83.78
water	90.08	94.78	95.00	94.57
snow	67.77	80.79	97.53	68.95
herbaceous vegetation	52.85	69.15	71.87	66.64
agricultural land	56.53	72.23	68.13	76.85
plowed land	37.34	54.38	51.25	57.91
vineyard	78.88	88.19	86.89	89.53
deciduous	70.07	82.40	81.00	83.85
coniferous	58.95	74.17	79.78	69.30
brushwood	30.97	47.30	48.20	46.43

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Inference

Aerial ROI

Inference ROI

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Cite

BibTeX:

@article{ign2025flairhub,
  doi = {10.48550/arXiv.2506.07080},
  url = {https://arxiv.org/abs/2506.07080},
  author = {Garioud, Anatol and Giordano, Sébastien and David, Nicolas and Gonthier, Nicolas},
  title = {FLAIR-HUB: Large-scale Multimodal Dataset for Land Cover and Crop Mapping},
  publisher = {arXiv},
  year = {2025}
}

APA:

Anatol Garioud, Sébastien Giordano, Nicolas David, Nicolas Gonthier. 
FLAIR-HUB: Large-scale Multimodal Dataset for Land Cover and Crop Mapping. (2025). 
DOI: https://doi.org/10.48550/arXiv.2506.07080