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Add normalization parameters to documentation #152

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Feb 27, 2024
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Add normalization parameters to documentation #152

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Add normalization parameters to documentation
yellowcap Feb 7, 2024
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Merge branch 'main' into document-normalization-parameters
yellowcap Feb 27, 2024
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20 changes: 20 additions & 0 deletions docs/specification.md
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Expand Up @@ -112,6 +112,26 @@ We store each chip as geotiff, along with their coordinate & timestamp informati

![bands](https://github.com/Clay-foundation/model/assets/23487320/85fbc8d2-28f6-4021-855b-c1eb84dd09e3)

### Normalization parameters

To normalize the data before passing it to the model, we computed the following normalization parameters from a random sample of the training data. The normalization parameters are used in the [Data Module](https://github.com/Clay-foundation/model/blob/v0.0.1/src/datamodule.py#L108), for partial
inputs it will be necessary to subset these as shown in the partial input tutorial.

| Band | Mean | Standard deviation |
|----------------|---------|--------------------|
| Sentinel-2 B02 | 1369.03 | 2026.96 |
| Sentinel-2 B03 | 1597.68 | 2011.88 |
| Sentinel-2 B04 | 1741.10 | 2146.35 |
| Sentinel-2 B05 | 2053.58 | 2138.96 |
| Sentinel-2 B06 | 2569.82 | 2003.27 |
| Sentinel-2 B07 | 2763.01 | 1962.45 |
| Sentinel-2 B08 | 2858.43 | 2016.38 |
| Sentinel-2 B8A | 2893.86 | 1917.12 |
| Sentinel-2 B11 | 2303.00 | 1679.88 |
| Sentinel-2 B12 | 1807.79 | 1568.06 |
| Sentinel-1 VV | 0.026 | 0.118 |
| Sentinel-1 VH | 0.118 | 0.873 |
| Copernicus DEM | 499.46 | 880.35 |

## Training Card

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