Surveying with Drones: No GCP (Ground Control Points) Needed! Achieving High-Precision 3D Topographic Mapping with UAV Photogrammetry.
"Non-GCP UAV Photogrammetry" enables the creation of high-precision 3D topographic maps even when GCPs (Ground Control Points) or reference points cannot be established. In addition to UAV flight control, it is equipped with the αUAV-mounted dual-frequency synchronized imaging system "GCSv3." This system allows for the assignment of high-precision position and elevation data to each digital photo taken. It enables the creation of accurate drawings even in situations where on-site work by personnel is difficult, such as during disasters. 【Features】 ■ No need to ensure the visibility of existing reference points, eliminating the need for activities like deforestation. ■ Reduces the time and effort required to establish ground reference points. ■ The captured photos and GNSS measurement values are accurately determined through synchronization. ■ The synchronization function significantly streamlines the establishment of ground references. For more details, please refer to the catalog or feel free to contact us.
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【Actual Measurement Accuracy (Map Scale 1:500)】 ■ Method: (Required Accuracy) / With GCP ⇒ Without GCP ■ Standard Deviation of Horizontal Position: (Within 0.25m) / Within 0.05m ⇒ Within 0.10m ■ Standard Deviation of Elevation: (Within 0.25m) / Within 0.05m ⇒ Within 0.10m *For more details, please refer to the catalog or feel free to contact us.
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Our company is a surveying firm that conducts topographical and bathymetric surveys using drones (autonomous small unmanned aerial vehicles), remote-controlled boats (autonomous unmanned survey vessels), and GNSS (GPS surveying equipment). Among the drone-based surveys, we offer rare services such as topographical measurements of wooded areas using a small laser scanner mounted on a drone, as well as drone photogrammetry that does not require ground control points. Additionally, we perform environmentally safe bathymetric surveys using small remote-controlled boats, and for GPS-based control point surveys, we can handle everything from public surveying applications to result verification. In specialized measurements, we also create three-dimensional models of tunnels and other structures using digital cameras. Consultations and estimates are provided free of charge. Please visit our website first, and feel free to consult us about any surveying needs, including those requiring specialized techniques, as well as general surveying. We serve clients nationwide.