25kTrees

홈페이지 · 논문 5편

Manual crown delineation of individual trees in two countries: Denmark and Finland. ---------- 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. Paper: https://doi.org/10.1093/pnasnexus/pgad076