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#Import processing area pix4dmapper portable
The coordinates of points P1 to P8 were acquired using the inno1 portable RTK when the error of the fixed solution converged to the millimeter-level. P1, P3, P7 were planned as control points, and the rest were checkpoints. For this test, as shown in Figure 4, eight points were placed evenly inside and outside the area. The density and distribution affect the adjustment of the aerial triangulation and hence the accuracy of the final results. The control points are used to improve the accuracy of aerial models. The specific testing process is divided into the following three parts, which are detailed below.įigure 3-1: Main Work Flow Field Mission.įield Mission Checkpoints acquisition and mission planning Our team selected an industrial park in a typical urban environment as the site for the actual test to validate the accuracy of the final results. With 2cm accuracies on X, Y, Z dimensions, the output text file with position information or geotagged images can then be used directly in major photogrammetric mapping or 3D modeling software.
#Import processing area pix4dmapper software
PPK Go is a turnkey software that enables Phantom 4 drones to achieve the most accurate and reliable camera positioning data in any coordinate system without measure targets or GCPs. It also could work as an RTK rover to measure the checkpoints on site. It includes the Phantom 4 RTK drone, gimbal camera, remote control, battery and accessories, which is used for the field data collection and raw static observation data logging.įigure 2-1: Phantom 4 RTK and inno1 Portable RTK.Ī Hi-Target inno1 portable RTK is used to provide stable and reliable base raw static observation data for the PPK processing. It is flexible, simple to operate, and supports RTK cm-level navigation, as well as camera microsecond synchronization and free of user calibration, is particularly suitable to use in densely built-up urban and areas with complex topography. The Phantom 4 RTK(P4R) is a technologically mature, cost-effective consumer-grade drone that is popular on the market. (This article is brought to you by Hi-Target and was written by Richard Pan and Seven Zhao) This paper proposes a commercial drone mapping solution using the Phantom PPK to significantly reduce control points, and explains the workflow, testing methods and how the results support this level of drone mapping accuracy. This situation continued until DJI released the Phantom 4 series of commercial drones with integrated GNSS antenna and high-definition gimbal cameras. Previously, people had to invest more than 30,000 dollars to purchase professional mapping drones and place a large number of control points on the ground to get accurate, survey-grade maps.