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Method for visualization and presentation of priceless old prints based on precise 3D scan
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Paper Abstract

Graphic prints and manuscripts constitute main part of the cultural heritage objects created by the most of the known civilizations. Their presentation was always a problem due to their high sensitivity to light and changes of external conditions (temperature, humidity). Today it is possible to use an advanced digitalization techniques for documentation and visualization of mentioned objects. In the situation when presentation of the original heritage object is impossible, there is a need to develop a method allowing documentation and then presentation to the audience of all the aesthetical features of the object. During the course of the project scans of several pages of one of the most valuable books in collection of Museum of Warsaw Archdiocese were performed. The book known as "Great Dürer Trilogy" consists of three series of woodcuts by the Albrecht Dürer. The measurement system used consists of a custom designed, structured light-based, high-resolution measurement head with automated digitization system mounted on the industrial robot. This device was custom built to meet conservators' requirements, especially the lack of ultraviolet or infrared radiation emission in the direction of measured object. Documentation of one page from the book requires about 380 directional measurements which constitute about 3 billion sample points. The distance between the points in the cloud is 20 μm. Provided that the measurement with MSD (measurement sampling density) of 2500 points makes it possible to show to the publicity the spatial structure of this graphics print. An important aspect is the complexity of the software environment created for data processing, in which massive data sets can be automatically processed and visualized. Very important advantage of the software which is using directly clouds of points is the possibility to manipulate freely virtual light source.

Paper Details

Date Published: 24 February 2014
PDF: 9 pages
Proc. SPIE 9018, Measuring, Modeling, and Reproducing Material Appearance, 90180Q (24 February 2014); doi: 10.1117/12.2042635
Show Author Affiliations
Eryk Bunsch, Wilanow Palace Museum (Poland)
Robert Sitnik, Warsaw Univ. of Technology (Poland)

Published in SPIE Proceedings Vol. 9018:
Measuring, Modeling, and Reproducing Material Appearance
Maria V. Ortiz Segovia; Philipp Urban; Jan P. Allebach, Editor(s)

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