A robust method of rectifying a tilted image to truly vertical

Tjahjadi, Martinus Edwin and Handoko, Fourry (2020) A robust method of rectifying a tilted image to truly vertical. In: Annual Conference on Science and Technology (ANCOSET 2020), 28 November 2020, Malang, Indonesia.

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Abstract

Unmanned Aerial Vehicle (UAV) is burgeoning technology for conducting aerial photography ranging from recreational purposes to engineering works. Due to its physical design, a mounted camera onto the UAV body is afflicted by engine and other vibrations during flight data acquisitions. In such condition, it is impossible to maintain the camera optical axis truly vertical while it is directed downward to the ground. Unavoidable aircraft tilts causes captured images to be exposed with the camera axis tilted slightly from vertical. In survey and mapping activity when vertical images are intended, the amount by which the optical axis deviates from vertical of more than 3 degrees is not met the work specification. Truly vertical images are necessary for producing high quality map from aerial images. This paper offers robust solution to rectify tilted images to generate equivalent truly vertical ones. We use exterior orientation parameters of the tilted images to perform double steps of transformation while resampling grid tessellations of the vertical images. To visualize the result, the transformation processes are coded by C++ programing language. The program results show a feasibility of our approach.

Item Type: Conference or Workshop Item (Paper)
Uncontrolled Keywords: obust method, rectifying, tilted image,truly
Subjects: Engineering > Geodesy Engineering
Engineering > Industrial Engineering
Divisions: Fakultas Teknologi Industri > Teknik Industri S1
Fakultas teknik Sipil dan Perencanaan > Teknik Geodesi S1
Depositing User: Mr Sayekti Aditya Endra
Date Deposited: 20 Aug 2021 03:07
Last Modified: 24 Aug 2021 02:39
URI: http://eprints.itn.ac.id/id/eprint/5567

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