Abstract

Holographic interferometry has a long history of application in, artwork conservation especially as a technique for identification of structural anomalies, In order to measure the surface materials loss by acid rain on marble monuments it is often necessary to dispose of a non-intrusive technique with sensitivity of some microns. The great improvements in resolution and sensitivity, made possible by the incorporation of recently developed electronics and computers into the holographic system, have made the method suitable for studying the deterioration mechanisms of materials of monuments under pollution conditions. In this paper we propose a holographic contouring technique with a computer system for automatic quantitative analysis in quasi real time of the state of the wear of some ancient art-objects.

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