Hapriansyah, Sultan Alifian (2021) Analisis Perbandingan Ketelitian Hasil Orthomosaic Menggunakan Perangkat Lunak Komersial Pix4Dmapper dan Open Source WebODM. Undergraduate thesis, Institut Teknologi Sepuluh Nopember.
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Abstract
Fotogrametri merupakan suatu seni dan ilmu sains dalam membuat informasi 3D dari hasil foto. Untuk mendapatkan informasi 3D, software fotogrametri membutuhkan lebih banyak informasi seperti orientasi dan parameter kamera dari foto yang didapatkan dari dua foto atau lebih yang saling bertampalan. Hasil akhir dari proses tersebut berupa lines, surfaces, texture maps, dan model 3D. Pada salah satu jurnal penelitian terdahulu (Thaariq, 2018) didapatkan bahwa hasil orthofoto Pix4Dmapper lebih unggul dalam akurasi geometri dibandingkan dengan kedua software komersial lainnya yaitu Agisoft dan APSMenci. Sedangkan WebODM dipilih karena WebODM merupakan software open-source dan memiliki fitur yang cukup lengkap.
Pada penelitian ini penulis menggunakan data yang diambil di Desa Kebonwaris, Pandaan, Kab. Pasuruan – Jawa Timur pada tahun 2017. Data penelitian yang digunakan sejumlah 2502 foto, 12 GCP, dan 24 ICP. Analisis ketelitian yang dilakukan sebagai perbandingan kedua software adalah analisa GSD, analisa RMSe vertical, dan analisa RMSe horizontal.
Nilai yang didapatkan Pix4Dmapper untuk RMSe horisontal 0,544 m dan RMSe vertikal 0,788 m. Sedangkan nilai ketelitian yang didapatkan WebODM untuk RMSe horisontal sebesar 1,841 m dan RMSe vertikal sebesar 1,139 m. Didapatkan pula nilai resolusi WebODM sebesar ≈6cm/piksel dan Pix4Dmapper sebesar ≈6,57cm/piksel. Berdasarkan hasil analisis penelitian ini, Pix4Dmapper unggul pada ketelitian yang diperoleh, sedangkan hasil pengolahan WebODM lebih unggul pada resolusi yang diperoleh.
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Photogrammetry is the art and science of creating 3D information from images. To obtain 3D information, photogrammetry software requires more information such as orientation and camera parameters from photos obtained from two or more photos overlapping each other. The final result of the process is in the form of lines, surfaces, texture maps, and 3D models. One of the previous research journals (Thaariq, 2018) found that the orthophoto results of Pix4Dmapper were better in geometric accuracy compared to the two other commercial software, Agisoft and APSMenci. Meanwhile WebODM was chosen because WebODM is open-source software and has quite complete features.
In this study, the authors used data taken in the village of Kebonwaris, Pandaan, Kab. Pasuruan – East Java in 2017. The research data used are 2502 photos, 12 GCPs, and 24 ICPs. Accuracy analysis performed as a comparison of the two software is GSD analysis, vertical RMSe analysis, and horizontal RMSe analysis.
The value obtained by Pix4Dmapper for horizontal RMSe is 0.544 m and vertical RMSe is 0.788 m. While the accuracy value obtained by WebODM for horizontal RMSe is 1.841 m and vertical RMSe is 1,139 m. The WebODM resolution value is 6cm/pixel and Pix4Dmapper is 6.57cm/pixel. Based on the analysis of this research, Pix4Dmapper excels in the accuracy obtained, while the results of WebODM processing are superior in the resolution obtained.
Item Type: | Thesis (Undergraduate) |
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Uncontrolled Keywords: | OpenDroneMap, Orthofoto, Orthomosaic, Pix4Dmapper |
Subjects: | T Technology > TA Engineering (General). Civil engineering (General) > TA1637 Image processing--Digital techniques |
Divisions: | Faculty of Civil, Planning, and Geo Engineering (CIVPLAN) > Geomatics Engineering > 29202-(S1) Undergraduate Thesis |
Depositing User: | Sultan Alifian Hapriansyah |
Date Deposited: | 18 Aug 2021 02:12 |
Last Modified: | 18 Aug 2021 02:12 |
URI: | http://repository.its.ac.id/id/eprint/87830 |
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