Andri Suprayogi
Departemen Teknik Geodesi, Fakultas Teknik Universitas Diponegoro

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Journal : JGISE-Journal of Geospatial Information Science and Engineering

Geometric Accuracy Study of Orthorectification Based on Sensor Model Refinement in Imagery Subset Using ORFEO Toolbox (OTB) Andri Suprayogi; Nurhadi Bashit
Jurnal Geospasial Indonesia Vol 2, No 1 (2019): June
Publisher : Universitas Gadjah Mada

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22146/jgise.41453

Abstract

Large scale base map can be obtained by various methods, one of them is orthorectification process of remote sensing satellite imagery to eliminate the relief displacement caused by height variation of earth surface. To obtain a  map images with good quality,  it requires additional data such as sensor model in the form of rational polynomial coefficients (RPC), surface model data, and ground control points Satellite imageries with high resolution  file size are relatively large.  In order to process them,  high specification of hardwares were required. To overcome this by cutting only a portion of the images, based on certain study areas were suffer from of georeference lost so it would not be able to orthorectified. On the other hand,  in several remote sensing software such as ESA SNAP and Orfeo Toolbox (OTB)  subset or pixel extraction from satellite imagery,  preserve the imagery geometric sensor models. This research aimed at geometric accuracy of orthorectification carried out in a single scene of Pleiades Imagery within the Kepahiang Subdistrict, located at Kepahiang Regency, Bengkulu Province, by using DEMNAS and the imagery refined sensor mode, and ground control points taken using GPS Survey. Related with the raw imagery condition which consists of Panchromatic and multispectral bands, this study were separated to assembly, pan sharpening , and sensor model refinement stages prior to orthorectification carried out both in the original or full extent imagery and the result of subset extent imagery. After  these processses taken place, we measure the accuracy of each full and subset imagery.These procedures were carried out using Orfeo toolbox 6.6.0 in the Linux Mint 19 Operating system. From the process log, running time in total  were 7814.518  second for the full extent and 4321.95 seconds for the subset processess. And as a big data process, the total of full extent imageries was 83.15 GB  while the subset size  was  only 30.73 GB.  The relative accuracy of the full extent and its subset imagery were 0.431 meters. Accuracy of the  sensor model refinement process are  1.217 meters and 1.550 meters with GCP added, while the accuracu of  the orthorectifications results were  0.416 meters and 0.751 meters by using ICP.  Variation of execution time may caused by the data input size and complexity of the mathematical process carried out in each stages. Meanwhile,  the variation of accuracy may  caused by the check or control points placements above satellite Imagery which suffer from uncertainty when dealing with  the sub-pixel position or under 0.5 meters.
Co-Authors ., Hani'ah Abdi Sukmono, Abdi Adinda Thana A. Pertiwi ADYVICTURA TINAMBUNAN Agung Setiawan Ahmad Syauqani Akhmad Didik Prastyo Albertus Indra Bagus Cahyadi Amran Nur Utomo Andreas Ardianto Prodjo Koesoemo Angga Sapto Aji, Angga Sapto Anggoro Wahyu Utomo Anisa Isna Yesiana Antoneta Yuanita Arief Laila Nugraha Arief Waskito Aji Arif Witoko Arizal Kawamuna, Arizal Arlina . Arwan Putra Wijaya Ary Nurhidayati Sugianto ATIKA MARWATI Aufan Niam Aulia Rizky Auliannisa Auliannisa Bagas Arif Widyagdo Bagas Setia Aji Bambang Darmo Yuwono Bambang Darmo Yuwono Bambang Septiana Bambang Sudarsono Bambang Sudarsono Bandi Sasmito Bashit, Nurhadi Bodro Sisvinta hayu Briandana Januar Aji Gunadi Bunga Roliesta Sari Dafid Januar Damar Ismoyo Danang Budi Susetyo Daud Panji Permana David Beta Putra Demi Stevany Diah Ratna Setianingrum DONY AGIL PRASETYO Dwi Arini Edi Ikhsan Emeralda Amirul Ariefa Endang Purwati EVAN BRILLIANTO Fadhlan Hamdi Fadlila Ananingtyas, Fadlila Fahrunnisa Wulandari Adininggar Fajar Dwi Hernawan Fajar Rusdyanto Fauzi Janu Amarrohman, Fauzi Janu Febrina Mutiara Rosita Pane Galuh Fitriarestu Santoso Gigih Pradana Gilang Andhika Surya J. Gilang Diva Pradana Giustia Puspa Geoda Grivina Yuliantika Gunita Mustika Hati Hana Sugiastu Firdaus Hana Sugiastu Firdaus, Hana Sugiastu Handaru Aryo Suni Hani'ah . Hani'ah . . Hani'ah Hani'ah Hani'ah, Hani'ah Haniah Haniah Hasan Basyri Henndry . Hot Parningotan Banjarnahor Ibrohim Shiddiq Ika Rahayu Wulansari Ikhlasul Amal Ahyani INNEKE ASTRID PITALOKA Johan Irawan Kemala Medika Putri Kurnia Darmawan Laode M Sabri Lea Kristi Agustina LM. Sabri Lukman Maulana Lydia Fadilla M Khoirul Baihaqi Maulvi Surya Gustavianto Mega Dwijayanti Meilina Fika Mayangsari Moehammad Awaluddin Moehammad Awwaluddin Moehammad Awwaluddin Muhamad Arif Debalano Muhamad Salahuddin Muhammad Alimsuardi Muhammad Annis Wichi Luthfina Muhammad Fitrianto Muhammad Hakqi Muhammad Iqbal Akhsin Muhammad Rifqi Andikasani Muhammad Ulya Muhammad, Rido Mutiaraning Pertiwi Narendra Sava Hanung Nasytha Nur Farah Nathania, Jessica Nia Rahmadhani Nurhadi Bashit Nurhadi Bashit Nyoman Winda Novitasari Olivia Sinaga Paundra Ksatrio Wahyutomo Pran Shiska, Pran Raden Putra Raihan Virgatama Ramadhan Susilo Utomo Randy Alihusni Wardana Ratih Kumala Dewi Rian Yudhi Prasetyo Ridwan Ageng Ashari Ridwan Aminullah Rifky Satrio Utomo Rifqi Najib Muzaka Rizal Adhi Pratama Rizki Putra Agrarian Rizqi Umi Rahmawati Rizqie Irfan Ryadi, Michael Vashni Immanuel Ryandana Adhiwuryan Bayuaji Saraswati, Galuh Febriana Sawitri Subiyanto Septian Dewi Cahyani SILALAHI, ERTHA Singgih Wahyu Nugroho Suardi Lubis Sulaiman Hakim Sinaga Sutomo Kahar Sutomo Kahar Taufik Eka Ramadhan, Taufik Eka TAUFIQ FITRIANSYAH ADI PRADANA Tri Afiebbawa Exactanaya Tsana’a Alifia Nauthika Tyas Arni Putri Ulifatus Sa'diyah Veri Pramesto Wahyu Darmawan Wahyu Nur Rohim Wicke Widyanti Santosa Wisnu Hanggoro Yonanda Simarsoit Yudo Prasetyo Yudo Prasetyo