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

Oliver C. Martin, Stuart Robson, Amir Kayani, Jody E. Muelaner, Vimal Dhokia, Paul G. Maropoulos

    Research output: Contribution to journalArticlepeer-review

    Abstract

    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.

    Original languageEnglish
    Pages (from-to)348-360
    Number of pages13
    JournalPhotogrammetric Record
    Volume31
    Issue number155
    Early online date4 Sept 2016
    DOIs
    Publication statusPublished - Sept 2016

    Bibliographical note

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    Keywords

    • coordinate comparison
    • laser tracker
    • photogrammetry
    • uncertainty
    • V-STARS

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