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Publication Detail
Photogrammetric Analysis of a Heritage Ceiling
  • Publication Type:
  • Authors:
    MacDonald LW, Hosseininaveh A, Robson S
  • Publisher:
  • Publication date:
  • Pagination:
    379, 383
  • Published proceedings:
    ISPRS - International Archives of the Photogrammetry, Remote Sensing and Spatial Information Sciences
  • Volume:
  • Name of conference:
  • Conference place:
    Riva del Garda, Italy
  • Conference start date:
  • Conference finish date:
  • Keywords:
    Cultural Heritage, Monitoring, Image, Algorithms, Close Range, Multiview Stereo, Conservation
  • Addresses:
Conservation of the painted ceiling at the historic Hampton Court Palace requires the condition of the ceiling to be monitored for signs of formation of cracks and flakes in the surface. Miniature monochrome cameras and LED lights were mounted on a horizontal bar, and raised by a telescopic mast to 60 cm below the ceiling. Images from the cameras were captured simultaneously by purposedeveloped software in a laptop computer at floor level. A series of image pairs was acquired at each location, rotating the mast between each pair. Images were enhanced in local contrast by a modified Wallis filter. From the image set a dense and accurate point cloud was generated, using a photogrammetric bundle adjustment procedure, from which 3D surface details could be visualised.
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