Comparative performance between two photogrammetric systems and a reference laser tracker network for large-volume industrial measurement


This paper determines the capability of two photogrammetric systems in terms of their measurement uncertainty in an industrial context. The first system – V-STARS inca3 from Geodetic Systems Inc. – is a commercially available measurement solution. The second system comprises an off-the-shelf Nikon D700 digital camera fitted with a 28 mm Nikkor lens and the research-based Vision Measurement Software (VMS). The uncertainty estimate of these two systems is determined with reference to a calibrated constellation of points determined by a Leica AT401 laser tracker. The calibrated points have an average associated standard uncertainty of 12·4 μm, spanning a maximum distance of approximately 14·5 m. Subsequently, the two systems’ uncertainty was determined. V-STARS inca3 had an estimated standard uncertainty of 43·1 μm, thus outperforming its manufacturer's specification; the D700/VMS combination achieved a standard uncertainty of 187 μm.

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Divisions: Aston University (General)
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Uncontrolled Keywords: coordinate comparison,laser tracker,photogrammetry,uncertainty,V-STARS,Engineering (miscellaneous),Computer Science Applications,Computers in Earth Sciences,Earth and Planetary Sciences (miscellaneous)
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Published Date: 2016-09
Authors: Martin, Oliver C.
Robson, Stuart
Kayani, Amir
Muelaner, Jody E.
Dhokia, Vimal
Maropoulos, Paul G. ( 0000-0001-6525-6216)

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