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Please use this identifier to cite or link to this item: https://dspace.lboro.ac.uk/2134/14606

Title: Direct exterior orientation determination for a low-cost heritage recording system
Authors: Kirchhoefer, Melanie K.
Chandler, Jim H.
Wackrow, Rene
Bryan, Paul
Keywords: Close range photogrammetry
Cultural heritage recording
GNSS receiver
Low cost
Orientation sensor
Issue Date: 2012
Publisher: Wiley-Blackwell © 2012 The Authors. The Photogrammetric Record © 2012 The Remote Sensing and Photogrammetry Society and Blackwell Publishing Ltd.
Citation: KIRCHHOEFER, M.K. ... et al., 2012. Direct exterior orientation determination for a low-cost heritage recording system. The Photogrammetric Record, 27 (140), pp. 443 - 461
Abstract: Close range photogrammetry has proved effective as a cost-effective and easy-to-use method for cultural heritage recording. Off-the-shelf digital cameras can be used to rapidly acquire data at low cost, allowing non-experts to become more involved in their local heritage, an important aspiration identified in this collaboration between English Heritage and Loughborough University. To achieve this while also allowing for measurements in a 3D national reference system, a recording system has been developed that is capable of deriving the exterior orientation during exposure directly and cheaply. The system comprises a digital camera, a small 3D orientation sensor and a GNSS antenna, assembled in a frame that allows calibration of the offsets between the components. Testfield data was used to investigate calibration precision and stability as well as achievable absolute and relative accuracy. The results of data analysis indicate that the system can meet the accuracy requirements for medium accuracy heritage recording, even with slightly unstable offset calibration values.
Description: This article was published in the journal, The Photogrammetric Record and the definitive version is available at: http://dx.doi.org/10.1111/j.1477-9730.2012.00701.x
Version: Accepted for publication
DOI: 10.1111/j.1477-9730.2012.00701.x
URI: https://dspace.lboro.ac.uk/2134/14606
Publisher Link: http://dx.doi.org/10.1111/j.1477-9730.2012.00701.x
ISSN: 0031-868X
Appears in Collections:Published Articles (Architecture, Building and Civil Engineering)

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