1 September 1991 Holographic contouring method: application to automatic measurements of surface deffects in artwork
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Abstract
An electro-optical system for the detection and quantitative measurements of surface or subsurface defects is presented; it is based on a holographic contouring technique and digital image processing for an automatic analysis of fringe patterns. Several approaches have been followed on models, so that the defects can be unambiguously detected and possibly quantitatively analyzed. Some examples of applications in deterioration investigations of ancient artworks are reported.
P. Carelli, Domenica Paoletti, Giuseppe Schirripa Spagnolo, Alfonso D'Altorio, "Holographic contouring method: application to automatic measurements of surface deffects in artwork," Optical Engineering 30(9), (1 September 1991). https://doi.org/10.1117/12.55936
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