Impyeong Lee

UAV Imagery for Ground Vehicle Visual Localization: Reference Database Construction versus Query-Stage Matching

Accurate localization of unmanned ground vehicles (UGVs) is difficult in global navigation satellite system (GNSS)-denied urban environments, and high-definition maps involve substantial construction and maintenance costs.Image-based reference maps have been studied as a cost-eff...

Automated Geometric Correction of OpenStreetMap Buildings via Context- and Boundary-Aware Segmentation

Abstract. OpenStreetMap (OSM) is a representative open geospatial platform that provides free access to major spatial objects, including buildings worldwide, constructed through crowdsourcing-based manual digitization. However, subjective differences among contributors and the ab...