Traditionally, Ground Control Points (GCPs) are used to link those models to a ground coordinate system, but their establishment is time-consuming and labor-intensive, requiring static or rapid-static GNSS observations over two hours for each point. However, RTK-embedded UAVs offer a ...
Latest Posts by UAV ❮ UAV Mapping: Maximizing Accuracy with Ground Control Points By Reed Davis | February 27, 2025 In the world of geospatial mapping, precision is everything. Enter Ground Control Points (GCPs)—the unsung heroes that ensure our digital… Read More ❯ ...
Mapping polar regions can be a challenging yet vital mission, helping scientists and researchers to better understand how the planet and its climate are changing. Traditionally, terrestrial and ground-based techniques have limited the scope of activity and the quality of data. In this article, the ...
Of these tools, Ground Control Points (GCPs) and an image processing method called co-alignment have so far shown promising results for change detection studies. However, there is still insufficient research on the extent of improving 3D model accuracy by combining these tools. In our study we ...
Amazingly fast and simple ground control points interface. ◎ JavaScript 59 19 OpenPointClass Public Free and open source semantic segmentation of 3D point clouds, fast and memory efficient. C++ 146 21 Thermal-Tools Public Convert DJI thermal images (RJPEG) into temperature TIFFs for use...
Guide to Using Ground Control Points for Surveying April 8, 2025 A guide to ground control points for surveying. Find out what they are, how to place them and how they increase the accuracy of your surveying applications. A guide to... ...
Georeferencing forms a fundamental part of topographic surveys and, for SfM-MVS work, dense deployments of carefully-measured ground control points (GCPs) are generally used, which can represent a substantial proportion of the overall survey effort. However, it is critical that control data are inco...
The first task of measuring ground control points (GCPs), checked points (CPs), and TLS targets were conducted. These points were well distributed in the study area (Fig. 4). A total number of 31 ground points was measured by a Leica TS09 Plus and GNSS FOIF A90 (Table 1) with 10 ...
block. The SFM and Multi-View Stereo (MVS) algorithms were performed by the Pix4D mapper, performing bundle adjustment. We oriented an unlimited number of images across the block by bundling adjustments and multiple ground control points (GCPs). The GCPs for each flight has 5 points, one in...
Launch QGroundControl. In QGroundControl, load the mission plan named shortMission.plan located in /utilities/qgc. Run the simulation. When QGroundControl indicates that it is connected to the system, upload the mission. Once the aircraft takes off, you should see the UAV fly its mission ...