Evaluation of Uav-based Dem for Volume Calculation

Abstract

In the latest decades, Unmanned Aerial Vehicles (UAVs) have witnessed rapid growth and it plays a vital role in different fields of engineering and architecture. This technique can also be applied in land surveying as a device in order to measure the 3D ground coordinates and Earth work. The main aim of this paper is to evaluate the accuracy of volume that obtained by using Digital Elevation Model (DEM) derived from UAVs images. In this research, three different flights were performed with DJI phantom 4 pro (25m, 50m, and 100m) with 80% forward and side overlaps at Duhok Dam. Several Ground control points (GCPs) were installed and evenly distributed throughout the study area and their coordinates were determined using GPS-RTK technique for geo-referencing. The data images captured with UAV were processed using Agisoft photoscan Professional software. GPS survey was carried out using Leica viva GS10 base, and GS15 rover for the same place. The volumes acquired by the UAV images including all three flight heights were compared to the volume obtained with GPS survey techniques which considered as a base for comparison. The results showed that the volume calculated with UAV images encountered to the base were compatible with each other with (99. 86%,99. 76% and 99. 74%) for altitudes (25,50, and 100) respectively.

Stockpile Volume Estimation in Open and Confined Environments: A Review

“…Other studies, such as those conducted by Idrees and Abdulrahman [60] and Lee and Lee [52], considered estimating the volume of a dam using drone photogrammetry while comparing the results to that produced from the GNSS-RTK method. To ensure accurate volume estimation by the GNSS-RTK, multiple measurements at different locations on the dam were obtained to account for any variations in the shape.…”

“…To ensure accurate volume estimation by the GNSS-RTK, multiple measurements at different locations on the dam were obtained to account for any variations in the shape. Idrees and Abdulrahman [60] conducted the aerial survey at different flight altitudes, and the error in the estimated volume between the two methods was minor (<0.3%). On the other hand, Lee and Lee [52] showed that the estimated volumes from GNSS-RTK and drone photogrammetry had a difference of 2%.…”

A System Dynamic Model to Estimate Leachate and Biogas Production in MSW Irregular Disposal Areas Aided by Digital Terrain Model

“…This information allowed the DTM creation using a set of elevation marks at the nodes of a Triangular Irregular Network (TIN) [32]. As the DTM is built the software allows the volume, real surface area, and a local slope measurements [28].…”

“…A DTM is represented as a three-dimensional (3D) raster image that shows the elevations of ground above the mean sea level or above a vertical datum. The UAV-processing platforms methodology, undoubtedly, provides better results than the traditional methods and also requires less time and costs [25][26][27][28].…”

Creating orthophotos with unmanned aerial vehicles and examining its accuracy and usability in geodetic applications

“…As a result of the study, it has been determined that the data has been produced at low cost, by saving time and as a result of minimum field work. Idrees et al 32 used the UAV System in their study. In this context, first of all, homogeneously distributed ground control points have been established on the study area (Duhok Dam, Iraq) and the coordinates have been calculated with the help of GNSS receivers.…”