Datasets:
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README.md
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The hereby FLAIR (#2) dataset is sampled countrywide and is composed of over 20 billion annotated pixels of very high resolution aerial imagery at 0.2 m spatial resolution, acquired over three years and different months (spatio-temporal domains).
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Aerial imagery patches consist of 5 channels (RVB-Near Infrared-Elevation) and have corresponding annotation (with 19 semantic classes or 13 for the baselines).
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Furthermore, to integrate broader spatial context and temporal information, high resolution Sentinel-2 1-year time series with 10 spectral band are also provided.
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More than 50,000 Sentinel-2 acquisitions with 10 m spatial resolution are available.
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<br>
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## Dataset Structure
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### Spatio-Temporal Distribution
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The FLAIR dataset consists of 77 762 patches. Each patch includes a high-resolution aerial image
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### Annotations
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Each pixel has been manually annotated by photo-interpretation of the
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Movable objects like cars or boats are annotated according to their underlying cover.
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### Training Splits
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It is important to mention that the patches come with meta-data permitting alternative splitting schemes, for example focused on domain shifts.
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## Reference
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Please include a citation to the following article if you use the FLAIR dataset:
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The hereby FLAIR (#2) dataset is sampled countrywide and is composed of over 20 billion annotated pixels of very high resolution aerial imagery at 0.2 m spatial resolution, acquired over three years and different months (spatio-temporal domains).
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Aerial imagery patches consist of 5 channels (RVB-Near Infrared-Elevation) and have corresponding annotation (with 19 semantic classes or 13 for the baselines).
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Furthermore, to integrate broader spatial context and temporal information, high resolution Sentinel-2 satellite 1-year time series with 10 spectral band are also provided.
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More than 50,000 Sentinel-2 acquisitions with 10 m spatial resolution are available.
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<br>
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## Dataset Structure
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### Spatio-Temporal Distribution
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The FLAIR dataset consists of 77 762 patches. Each patch includes a high-resolution aerial image (512x512) at 0.2 m, a yearly satellite image time series (40x40 by default) with a spatial resolution of 10 m,
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and pixel-precise elevation and land cover annotations at 0.2 m resolution (512x512).
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<p align="center"><img src="flair-pacthes.png" alt="" style="width:50%;max-width:600px;"/></p><br>
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### Annotations
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Each pixel has been manually annotated by photo-interpretation of the 20 cm resolution aerial imagery, carried out by a team supervised by geography experts from the IGN.
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Movable objects like cars or boats are annotated according to their underlying cover.
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### Training Splits
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It is important to mention that the patches come with meta-data permitting alternative splitting schemes, for example focused on domain shifts.
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<p align="center"><img src="flair-splits.png" alt="" style="width:25%;max-width:600px;"/></p><br>
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## Reference
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Please include a citation to the following article if you use the FLAIR dataset:
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