MatchGeo v1.3 A curated multi region Digital Elevation Model (DEM) dataset for training and benchmarking local feature matching algorithms in urban and natural terrain analysis. 🎯 Overview MatchGeo aggregates high resolution elevation data from 13 distinct environments across 6 continents to support research in cross domain local feature detection and matching. The dataset provides standardised 256x256 pixel patches with handcrafted and automated ground truth annotations for training computer vision models on geospatial data. Key Features Multi source fusion : LiDAR, photogrammetry, Structure from Motion (SfM), and satellite stereophotogrammetry Global coverage : 13 regions across 6 continents — from Antarctica to the Sahara Standardised format : All cities processed to 256x256 pixel Cloud Optimized GeoTIFF (COG) tiles Rich annotations : 40,287 verified patch pairs (GER BN and BRA SP) Cross area evaluation : Explicit intra region and inter region test splits FAIR compliant : ISO 19115 2 metadata, DOI registration, open access 🗺️ Dataset Coverage Region Country Acquisition Resolution Year Terrain Labelled N Tiles N Labelled Tiles Antarctic Peninsula (ATA MV) Antarctica REMA (Satel…
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