--- license: etalab-2.0 pipeline_tag: image-segmentation tags: - semantic segmentation - pytorch - landcover library_name: pytorch model-index: - name: FLAIR-HUB_LC-A_convnextv2base-upernet results: - task: type: semantic-segmentation dataset: name: IGNF/FLAIR-HUB/ type: earth-observation-dataset metrics: - type: mIoU value: 63.771 name: mIoU - type: OA value: 77.031 name: Overall Accuracy - type: IoU value: 83.5 name: IoU building - type: IoU value: 76.548 name: IoU greenhouse - type: IoU value: 59.37 name: IoU swimming pool - type: IoU value: 74.837 name: IoU impervious surface - type: IoU value: 56.544 name: IoU pervious surface - type: IoU value: 63.005 name: IoU bare soil - type: IoU value: 89.533 name: IoU water - type: IoU value: 67.806 name: IoU snow - type: IoU value: 53.766 name: IoU herbaceous vegetation - type: IoU value: 57.318 name: IoU agricultural land - type: IoU value: 34.667 name: IoU plowed land - type: IoU value: 78.533 name: IoU vineyard - type: IoU value: 70.751 name: IoU deciduous - type: IoU value: 61.192 name: IoU coniferous - type: IoU value: 29.189 name: IoU brushwood ---

🌐 FLAIR-HUB Model Collection

πŸ†”
Model ID
πŸ—ΊοΈ
Land-cover
🌾
Crop-types
πŸ›©οΈ
Aerial
⛰️
Elevation
πŸ›°οΈ
SPOT
πŸ›°οΈ
S2 t.s.
πŸ›°οΈ
S1 t.s.
πŸ›©οΈ
Historical
LC-A βœ“ βœ“
LC-D βœ“ βœ“ βœ“
LC-F βœ“ βœ“ βœ“ βœ“
LC-G βœ“ βœ“
LC-I βœ“ βœ“
LC-L βœ“ βœ“ βœ“ βœ“ βœ“ βœ“
LPIS-A βœ“ βœ“
LPIS-F βœ“ βœ“
LPIS-I βœ“ βœ“ βœ“ βœ“
LPIS-J βœ“ βœ“ βœ“ βœ“ βœ“

πŸ” Model: FLAIR-HUB_LC-A_convnextv2base-unet

--- ## General Informations - **Contact:** flair@ign.fr - **Code repository:** https://github.com/IGNF/FLAIR-HUB - **Paper:** https://arxiv.org/abs/2506.07080 - **Developed by:** IGN - **Compute infrastructure:** - software: python, pytorch-lightning - hardware: HPC/AI resources provided by GENCI-IDRIS - **License:** Etalab 2.0 --- ### Training Config Hyperparameters ```yaml - Model architecture: convnextv2_base-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] β†’ weight = 0 - Input channels: - AERIAL_RGBI : [4,1,2] - Input normalization (custom): - AERIAL_RGBI: mean: [106.59, 105.66, 111.35] std: [39.78, 52.23, 45.62] ``` --- ### Training Data ```yaml - Train patches: 152225 - Validation patches: 38175 - Test patches: 50700 ```
Classes distribution.
--- ### Training Logging
Training logging.
--- ## Metrics | Metric | Value | | ---------------- | ------ | | mIoU | 63.77% | | Overall Accuracy | 77.03% | | F-score | 76.60% | | Precision | 76.94% | | Recall | 76.67% | | Class | IoU (%) | F-score (%) | Precision (%) | Recall (%) | | --------------------- | ------- | ----------- | ------------- | ---------- | | building | 83.50 | 91.01 | 92.26 | 89.79 | | greenhouse | 76.55 | 86.72 | 82.49 | 91.40 | | swimming pool | 59.37 | 74.51 | 74.21 | 74.81 | | impervious surface | 74.84 | 85.61 | 85.22 | 86.00 | | pervious surface | 56.54 | 72.24 | 70.62 | 73.94 | | bare soil | 63.00 | 77.30 | 73.17 | 81.93 | | water | 89.53 | 94.48 | 95.19 | 93.78 | | snow | 67.81 | 80.81 | 96.07 | 69.74 | | herbaceous vegetation | 53.77 | 69.93 | 71.69 | 68.26 | | agricultural land | 57.32 | 72.87 | 70.08 | 75.89 | | plowed land | 34.67 | 51.49 | 50.81 | 52.18 | | vineyard | 78.53 | 87.98 | 84.50 | 91.75 | | deciduous | 70.75 | 82.87 | 82.33 | 83.42 | | coniferous | 61.19 | 75.92 | 77.47 | 74.44 | | brushwood | 29.19 | 45.19 | 47.94 | 42.74 | --- ## Inference

Aerial ROI

AERIAL

Inference ROI

INFERENCE
--- ## Cite **BibTeX:** ``` @article{ign2025flairhub, doi = {10.48550/arXiv.2506.07080}, url = {https://arxiv.org/abs/2506.07080}, author = {Garioud, Anatol and Giordano, SΓ©bastien 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, SΓ©bastien 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 ```