Detecting and Correcting Spatial Bias in VGI Using Remote Sensing — OSM evaluated against USGS 3DEP LiDAR + NAIP across two regions and all 102 Illinois counties, with community-validated correction. I-GUIDE Summer School 2026 · VCO talk Sept 23, 2026.
reproducible-research openstreetmap remote-sensing lidar vgi data-quality spatial-bias naip point-cloud-segmentation geoai i-guide openstreetmap-quality
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Sep 22, 2026 - Jupyter Notebook