UDP for Hollstein cloud detection#617
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Adds an algorithm that classifies clouds, cirrus, shadow, water, snow, and clear sky from Sentinel-2 L2A imagery as an openEO UDP, using the Hollstein et al. (2016) decision-tree algorithm. The openEO process is adapted from a SentinelHub Hollstein evalscript by André Hollstein. The algorithm produces a 3-band (R, G, B) GeoTIFF, with clear/shadow pixels rendered in enhanced natural color and cirrus, cloud, and snow classes rendered in fixed colors.
The openEO process is running on Copernicus Data Space over the spatial extent of Veneto, Italy on 2025-05-12 to 2025-05-13.