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    Survey Accuracy Analysis of a Hand-held Mobile LiDAR Device for Cultural Heritage Documentation

    Access Status
    Fulltext not available
    Authors
    Chan, T.
    Lichti, D.
    Belton, D.
    Klingseisen, B.
    Helmholz, Petra
    Date
    2016
    Type
    Journal Article
    
    Metadata
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    Citation
    Chan, T. and Lichti, D. and Belton, D. and Klingseisen, B. and Helmholz, P. 2016. Survey Accuracy Analysis of a Hand-held Mobile LiDAR Device for Cultural Heritage Documentation. Journal of Bionanoscience. 10 (3): pp. 153-165.
    Source Title
    Journal of Bionanoscience
    DOI
    10.1127/pfg/2016/0294
    ISSN
    1557-7910
    School
    Department of Spatial Sciences
    URI
    http://hdl.handle.net/20.500.11937/37398
    Collection
    • Curtin Research Publications
    Abstract

    In this paper, the survey accuracy of a hand-held, GNSS-free mobile LiDAR device, the Zebedee, is studied by collecting measurements of several different geometric features in four different datasets. We use a new comprehensive accuracy assessment methodology based on geometric modelling which involves a geometric model of a prism/ pyramid for square structure. The point cloud accuracies of the features (planes, cylinders, catenaries, prisms and pyramids) were compared to that of a conventional survey-grade LiDAR system, the Leica ScanStation C10. The results suggested that the Zebedee accuracy is very comparable to the C10. For instance, the mean RMS error of plane fittings for the Zebedee is approximately 1.1 cm versus 0.6 cm for the C10. The estimated cylinder radii between the Zebedee and the C10 has only 1.4% difference in average, while the radii difference in prism/pyramid fitting is only 0.8%. As a result, the Zebedee LiDAR device is suitable for heritage mapping not only because it has high operation flexibility but also desired high accuracy.

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