Abstract
Optical measurement systems were originally developed for industrial applications. Due to their versatility of use and “touchless” non-invasive method of working they have also been employed for many years in the field of restoration, conservation and preservation of cultural heritage. The capabilities of a variety of optical measuring methods e.g. photogrammetry, laser triangulation and interferometry have been theoretically described and their varying applications for restoration and conservation explored 10 years ago. This paper provides an overview of the utilization and implementation of Optical Measurement Systems in the field of restoration, conservation and preservation of cultural heritage that could be observed over the last ten years. Theory and function of the above mentioned systems for shape and deformation measurement of Cultural Heritage will be introduced shortly. The paper will then focus on the practical benefit of Optical Technology such as: 3D and digital archiving, monitoring of deterioration and deformation over time, precise copying and reconstruction, documentation and research, transportation packaging, etc.
Highlights
Industrial technologies have always been investigated for wider and beneficial use in other areas
Optical metrology systems for 3D shape and dimension measurement are today the most established in the Cultural Heritage sector
Systems such as 3D Laserscanners or Fringe Projection Scanners seem to bring the most benefit to museums, archaeological sites as well as restoration and conservation of historic objects
Summary
Industrial technologies have always been investigated for wider and beneficial use in other areas If applicable, these technologies became firmly implemented in areas such as Medicine, Entertainment or Cultural Heritage, even, in some cases, with some time delays. Photogrammetry is one of the most established This technique has been used to create true to scale drawings from images e.g. of buildings, for their digital 3D reconstruction as well as for deformation measurement. Optical metrology systems for 3D shape and dimension measurement are today the most established in the Cultural Heritage sector. Systems such as 3D Laserscanners or Fringe Projection Scanners seem to bring the most benefit to museums, archaeological sites as well as restoration and conservation of historic objects. The general function and common measurement workflow of these measurement systems will be described in the chapter followed by examples of their diverse practical applications
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