Supplementary Video 2 material: Use of optical coherence tomography for the gradual removal of varnish from the panel painting

Abstract

In this video material a procedure of monitoring of step-by-step varnish removal by swabbing from a panel painting by optical coherence tomography (OCT) is presented. The tomograms (cross sectional images obtained during a test) are selected examples (always from the same place) from the set of 100 collected by parallel scanning of the 10 x 10 mm area. They are corrected for refraction and aligned in plane and in-depth by correlating of the signal from not affected by varnish removal bottom paint layer. For details see an article: P. Targowski, M. Kowalska, M. Sylwestrzak, and M. Iwanicka „OCT for examination of cultural heritage objects” in „Optical Coherence Tomography and Its Non-medical Applications”, IntechOpen, 2019.

Description

Supplementary Video 2 material for the article: P. Targowski, M. Kowalska, M. Sylwestrzak, and M. Iwanicka „OCT for examination of cultural heritage objects” in „Optical Coherence Tomography and Its Non-medical Applications”.

Keywords

OCT, Materials science, Non-invasive structural imaging, art restoration

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