Drone Survey 15 min readGround Control Points (GCPs) in Drone Survey: Accuracy, Placement and DGCA Compliance for Heritage SitesRead
Drone Survey 13 min readRTK and PPK Drone Survey vs Ground Control Points for Heritage DocumentationRead
Ground Control PointsSurveyed reference targets placed in the scene before photogrammetry or drone survey, used to scale and georeference the output to real-world coordinates.