adjustments to dataset chart

README.md

@@ -32,11 +32,12 @@ The dataset is an add-on to the globally sampled SSL4EO-S12 pre-training dataset
 
 ## Data Characteristics
 
-*SSL4EO-EU-Forest* provides an additional downstream task for binary semantic segmentation of forest land cover as follows:
-- It curates 16K spatial patches (264x264 pixels) of Sentinel-2 L2A imagery (12 bands upsampled to 10m pixel resolution) over European forests.
+*SSL4EO-EU-Forest* provides an additional downstream task (85 GB) for binary semantic segmentation of forest land cover as follows:
+- `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 four Sentinel-2 timestamps from all seasons of year 2018.
 - The cloud cover in each scene is below 10%.
-- Binary forest masks 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 .
+- `masks/` sub-directory: Binary forest masks (`1`: tree, `0`: background, `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 .
+- 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, e.g., `20180520T094031_20180520T094033_T35VMH` where the sensing start time was approx. May 20, 2018 at 9.41am UTC for geolocation defined by tile ID `T35VMH`, cf. https://sentiwiki.copernicus.eu/web/s2-products .
 
 ## Spatial Coverage
 
@@ -44,4 +45,4 @@ The dataset is an add-on to the globally sampled SSL4EO-S12 pre-training dataset
 
 ## Funding
 
-This work was carried under the *EvoLand* project. This project has received funding from the European Union's Horizon Europe research and innovation programme under grant agreement No. `101082130`.
+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`.