Abstract
Abstract. Smart-camera can not only be operated under network environment anytime and any place but also cost less than the existing photogrammetric UAV since it provides high-resolution image, 3D location and attitude data on a real-time basis from a variety of built-in sensors. This study’s proposed UAV photogrammetric method, low-cost UAV and smart camera were used. The elements of interior orientation were acquired through camera calibration. The image triangulation was conducted in accordance with presence or absence of consideration of the interior orientation (IO) parameters determined by camera calibration, The Digital Elevation Model (DEM) was constructed using the image data photographed at the target area and the results of the ground control point survey. This study also analyzes the proposed method’s application possibility by comparing a Ortho-image the results of the ground control point survey. Considering these study findings, it is suggested that smartphone is very feasible as a payload for UAV system. It is also expected that smartphone may be loaded onto existing UAV playing direct or indirect roles significantly.
Highlights
In order to perform observation activities in the target area, the Photogrammetric UAV System operates the aircraft remotely or automatically with loading cameras, sensors, communications equipment, or other payload (Dalamagkidis et al, 2008). It can be operated at a low cost compared to traditional aerial photogrammetry, and is possible to real-time applications (Chiabrando et al, 2011)
This study evaluated the utilization possibilities of a non-survey camera as a payload by analyzing the accuracy of ortho-image depending on the presence and absence of camera calibration after producing a digital elevation model and ortho-image using a drone equipped with a non-survey smart camera
It carried out camera calibration using PhotoModeler for the photos obtained by the Coded Target, and applied camera interior orientation (IO) Parameter to the study after acquiring it
Summary
In order to perform observation activities in the target area, the Photogrammetric UAV System operates the aircraft remotely or automatically with loading cameras, sensors, communications equipment, or other payload (Dalamagkidis et al, 2008). It can be operated at a low cost compared to traditional aerial photogrammetry, and is possible to real-time applications (Chiabrando et al, 2011). UAVs can provide a continuous image of the ground that has a proper overlap at low altitude for photogrammetry (Eisenbeiss and Zhang, 2006; Lambers et al, 2007). Anyone can develop the application they want, and the already developed useful application can be used very
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