Digital restoration of medieval tapestries

Authors:
Sonja Schär;Hanspeter Bieri;Xiaoyi Jiang
Affiliations:
Institute of Computer Science and Applied Mathematics, University of Bern, Switzerland;Institute of Computer Science and Applied Mathematics, University of Bern, Switzerland;Department of Mathematics and Computer Science, University of Münster, Germany
Venue:
VAST'05 Proceedings of the 6th International conference on Virtual Reality, Archaeology and Intelligent Cultural Heritage
Year:
2005

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Abstract

Medieval Burgundian tapestries belong to the most valuable treasures of historical museums, in particular of the Bern Historical Museum. Many of them are well preserved, but much of their color is highly faded. Thus their today's appearance is very different from the original one. This paper deals with the digital restoration of the appearance of such tapestries. Two methods are developed and examined, one using the back side of the tapestry, the other one using color clustering. Our main criteria are a convincing approximation of the expected appearance and - due to the large size of many of the tapestries - a high degree of automation.