3D rock carvings recorded with simple equipment
Submitted by coldrum on Friday, 13 October 2006 Page Views: 3610
Rock ArtType: Rock ArtInternal Links:
A method of imaging rock carvings in 3D using everyday electronic equipment could help document decaying carvings before they disappear forever, researchers say. Archaeologists are struggling to document many rock carvings before they are eroded by pollution or weather. Bulky laser scanners can capture detail in 3D down to 0.2 millimetres, as we have reported previously, However, such the archaeologists in Norway claim such instruments are too costly and cumbersome for general use.
A system being trialled by archaeologist Kalle Sognnes and colleagues at the Norwegian University of Science and Technology and The Foundation for Scientific and Industrial Research (SINTEF) in Trondheim provides a much simpler and cheaper solution. It consists of an ordinary office projector, a digital camera and a laptop running specially developed software.
"We are trying to find something cheaper because laser scanners are so large and expensive," Sognnes told New Scientist. "In some places we are coming to the end of these rock carvings, and we hope to document them before they are gone."
More: New Scientist Tech.
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