High dynamic range video for cultural heritage documentation and experimental archaeology

Authors:
Jassim Happa;Alessandro Artusi;Silvester Czanner;Alan Chalmers
Affiliations:
International Digital Laboratory, University of Warwick, UK;CASToRC Cyprus Institute, Cyprus;International Digital Laboratory, University of Warwick, UK;International Digital Laboratory, University of Warwick, UK
Venue:
VAST'10 Proceedings of the 11th International conference on Virtual Reality, Archaeology and Cultural Heritage
Year:
2010

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Abstract

Video recording and photography are frequently used to document Cultural Heritage (CH) objects and sites. High Dynamic Range (HDR) imaging is increasingly being used as it allows a wider range of light to be considered that most current technologies are unable to natively acquire and reproduce. HDR video content however has only recently become possible at desirable, high definition resolution and dynamic range. In this paper we explore the potential use of a 20 f-stop HDR video camera for CH documentation and experimental archaeology purposes. We discuss data acquisition of moving caustics, flames, distant light and in participating media. Comparisons of Low Dynamic Range (LDR) and HDR content are made to illustrate the additional data that this new technology is able to capture, and the benefits this is likely to bring to CH documentation and experimental archaeology.