A note on the construction of test panels for the spectral imaging of paintings |
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Authors: | Anna Moutsatsou Athina Alexopoulou |
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Institution: | 1. National Gallery – Alexandros Soutzos MuseumAthens, Greece;2. Faculty of Fine Arts and DesignDepartment of Antiquities and Works of Art Conservation, Technological Educational Institute of Athens, Aigaleo, Greece |
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Abstract: | The construction and examination of test panels is an ad hoc procedure, necessary for every spectral imaging study of paintings. Despite the common features, almost every scientific team follows a different way of construction. Furthermore, many of these approaches are not adequately documented in the relevant papers. Failure to use common language and practice leads to confusion about properties of materials and paint layers that have been overall examined by the scientists, as well as the validity of the results and their exploitation in several conservation applications. The present theoretical approach points out the need for common protocols for the construction of test panels and draws general principles as a flow chart on which they should be based. |
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Keywords: | Spectral imaging Test panels Protocol Multispectral imaging Hyperspectral imaging Documentation Paintings |
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