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Manual crown delineation of individual trees in two countries: Denmark and Finland.
Dataset download link: https://sid.erda.dk/sharelink/eFt21tspNe
GitHub page: https://github.com/sizhuoli/TreeCountSegHeight
Publication: https://doi.org/10.1093/pnasnexus/pgad076
Dataset description:
---------- Denmark data---------- :
More than 20k individual trees growing in different landscapes.
Annotation masks are paired with aerial photographs with a spatial resolution of 20cm.
Images contain RGB and near-infrared bands and were taken in summer 2018.
Image credits: Danish Agency for Data Supply and Infrastructure (https://sdfi.dk/)
---------- Finland data---------:
More than 4k individual tree crowns in random sampling regions
Annotation masks are paired with aerial photographs containing near-infrared, green, and blue bands with a spatial resolution of 50cm
Image credits: National Survey of Finland (https://www.maanmittauslaitos.fi/en/maps-and-spatial-data)
Tasks:
Segmentation of individual tree crowns
Transfer learning/domain adaptation between datasets with different visual semantics, band compositions, forest species, etc.
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