การศึกษาประสิทธิภาพการใช้อากาศยานไร้คนขับ 2 รุ่นสำหรับการสร้างแผนที่ความละเอียดสูงกรณีศึกษา: การทำแผนที่มหาวิทยาลัยเทคโนโลยีราชมงคลอีสาน วิทยาเขตขอนแก่น

Thanapol  Promraksa; Songphol  Songsaengrit

Authors

Thanapol Promraksa Lecturer, Department of Civil Engineering, Faculty of Engineering, Rajamangala University of Technology Isan, Khon Kaen Campus
Songphol Songsaengrit Lecturer, Department of Civil Engineering, Faculty of Engineering, Rajamangala University of Technology Isan, Khon Kaen Campus

Keywords:

Accurate mapping, Photogrammetry, Unmanned aerial vehicles

Abstract

This research aimed to the efficiency and differences in accurate mapping from the DJI Phantom 4 Pro and DJI Mavic 3 Enterprise unmanned aerial vehicles (UAVs). The study area is Rajamangala University of Technology Isan Khon Kaen Campus, which covers an area of 161,600 m². The camera was set at the ground sampling distance of 5 cm/pixel with forward and side overlaps of 70%. 13 ground control points and 7 check points were scattered on the study area. The Image processing was performed by the Agisoft Photoscan software and the root mean square error (RMSE) error value was calculated. The study found that photogrammetry from 2 models of UAVs were able to efficiently create an accurate mapping of the study area. Vertical photographs from two UAVs can produce accurate mapping at a scale of 1:300 and RMSE of 0.015 and 0.018 m in horizontal direction and 0.052 and 0.057 m in vertical direction according to the ASPRS standard were not different. UAVs are an efficient mapping technology that can collect aerial photographic data quickly and accurately. Which helps reduce the time and budget of the operation.

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