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Welcome to the Charisma Documentation Wiki

The wiki has been set-up to document some of the work carried out within Work Package 2 and Work Package 9 of the CHARISMA project.

The CHARISMA project (2009-2013), funded by the EU under the FP7 programme, is a consortium of 22 European institutions. Through the project institutions offers transnational access to various facilities, and are collaborating on a wide variety of research and networking activities. For more details of the full project please go to the project web page at: http://www.charismaproject.eu/

Within work package 9 a number of instruments for the non-invasive analysis of the materials of cultural heritage objects are being developed, and the work is now in the phase of exploring and testing applications. Taking advantage of the fact that this work is taking place within one project, a ‘round robin’ exercise was planned, where a test painting was examined by some of these techniques in turn, as well as with more conventional methods.

The test painting was first documented and examined at the National Gallery. High resolution images in visible and ultraviolet light were made, and X-radiography and digital infrared reflectography were carried out. Some paint samples were taken and mounted as cross-sections to examine the layer structure. The pigments in the cross-sections were analysed by scanning electron microscopy with energy dispersive X-ray analysis, as well as attenuated total reflectance-Fourier transform infrared microspectroscopic imaging. These results served to give background information that would help to interpret the observations with the non-invasive techniques. The painting has so far been examined using optical coherence tomography(OCT) (at Nicolaus Copernicus University, Torun, Poland), single-sided Nuclear Magnetic Resonance (NMR) (at RWTH Aachen University, Germany), confocal laser scanning microscopy(CLSM) (at INO, Florence, Italy) and laser induced breakdown spectroscopy (LIBS) as well as Digital Holographic Speckle Pattern Interferometry (DHSPI) (at FORTH, Heraklion, Greece). The aim was not for this exercise to be a rigorous scientific comparison, but instead to act as a case study for demonstrating the specifications of each instrument and to allow the exchange of knowledge between the partners in the project on suitable applications.

These examinations produced many different images, as well as data in various forms, including not only spectra of specific points, but various technical images of the whole painting, images of the real paint samples, and a large number of ‘virtual’ cross-section images from OCT and CLSM. The subject of digital technical documentation systems that integrate the results from many types of analysis or imaging is a focus of Work Package 2, one of the networking tasks in the CHARISMA project. This task is surveying the methods currently used by the partners, as well as bringing together knowledge of new initiatives on this subject that might be useful to this research community. The results from the round robin provided an ideal case study for testing ways of sharing and documenting the data, including this wiki.

The documentation of the results of the round robin exercise can be found in the project discussion pages.

At this time access to this particular wiki is for project members only.

Project discussion pages

Working documents, project protocols and guidelines are accessible through the Project discussion pages.

Project discussion pages

Getting started

Further details of howto make use of this type of wiki can be found here.