Identification of miniature paintings' pigments using correlations of MA-XRF elements maps

Result code in IS VaVaI
<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F60461446%3A_____%2F20%3AN0000021" target="_blank" >RIV/60461446:_____/20:N0000021 - isvavai.cz</a>
Alternative codes found
RIV/60461446:_____/20:N0000016
Result on the web
<a href="https://apps.webofknowledge.com/full_record.do?product=WOS&search_mode=GeneralSearch&qid=19&SID=C1f7gecHNzvQoKOxtRs&page=1&doc=1" target="_blank" >https://apps.webofknowledge.com/full_record.do?product=WOS&search_mode=GeneralSearch&qid=19&SID=C1f7gecHNzvQoKOxtRs&page=1&doc=1</a>
DOI - Digital Object Identifier
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Result language
angličtina
Original language name
Identification of miniature paintings' pigments using correlations of MA-XRF elements maps
Original language description
Macro X-ray fluorescence (MA-XRF) element maps have potential to greatly enhance our knowledge about miniature paintings’ materials and techniques. To evaluate the measured data, it is important to identify which elements are present together in a material or in a mixture, in the paint layers or the support. Such identification may be achieved with 2D histograms of selected elements’ pairs, a technique similar to colocalization analysis (commonly used in fluorescence microscopy of biological tissues). The shape of the histogram reflects the potential correlation between element concentrations. The method can also pinpoint element maps distorted by spectral overlaps. In addition, Pearson correlation coefficient may be used to find element pairs with significant relationship. However, correlation graphs have their limitations. To identify pigments, which are present only in small areas or composed of light elements, it may be necessary to perform additional spot measurements. On the other hand, generation of correlation graphs by computer software is very fast and can help to decide which parts of the painting need to be studied in detail.
Czech name
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Czech description
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Project
<a href="/en/project/DG18P02OVV034" target="_blank" >DG18P02OVV034: Non-invasive research of portrait miniatures for the purpose of their dating, authentication, presentation and protection</a><br>
Continuities
I - Institucionalni podpora na dlouhodoby koncepcni rozvoj vyzkumne organizace

Publication year
2020
Confidentiality
S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

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