Photogrammetric stereo image rectification

Tjahjadi, Martinus Edwin and Handoko, Fourry (2020) Photogrammetric stereo image rectification. In: Annual Conference on Science and Technology (ANCOSET 2020), 28 November 2020, Malang, Indonesia.

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Today, off-the-shelf digital cameras are hand on tools for conducting visual inspections in surveying and mapping related activities or in structural inspection of industrial objects. Dense point clouds of the inspected object surface are of typical data required and their accuracies are also become more demanding. Deriving these data are off particular interest of this paper instead we work on overlapping images for generating those ones. An imaging geometry of stereo images is exploited further to reveal some drawbacks of the normalized stereo imaging configurations. We utilize a photogrammetric collinearity condition to model physical reality of the imaging process. A sequence of coordinate axes rotations on both images is rearranged as well as preserving normalized images resolutions to be equal to the source ones. Also based upon the prescribed resolutions, an efficient indirect resample is performed to interpolate grey values of the warped images. To ascertain reliability of the mathematically developed method, C++ programming codes were written and implemented in the solution. It reveals that a nuisance such as y-parallax is completely eliminated. Therefore, by using our method, the normalized images can be used in the dense point clouds production in a high quality and efficiency.

Item Type: Conference or Workshop Item (Paper)
Uncontrolled Keywords: Photogrammetric,stereo, image rectification
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 03:04
Last Modified: 24 Aug 2021 02:38

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