Non-destructive characterisation and classification of ceramic artefacts using pEDXRF and statistical pattern recognition

Chemistry Central Journal

Maja D Gajić-Kvaščev⁴  Milica D Marić-Stojanović²  Radmila M Jančić-Heinemann³  Goran S Kvaščev¹  Velibor Dj Andrić⁴ 

[1] Faculty of Electrical Engineering, University of Belgrade, Bul. kralja Aleksandra 73, Belgrade, Serbia

[2] National Museum Belgrade, Trg Republike 1a, Belgrade, Serbia

[3] Faculty of Technology and Metallurgy, University of Belgrade, Karnegijeva 4, Belgrade, Serbia

[4] Vinča Institute of Nuclear Sciences, University of Belgrade, Mike Petrovića Alasa 12-14, Belgrade, Serbia

关键词: Neolithic ceramics;    Cultural Heritage;    Classification;    Feature extraction;    Dimension reduction;    Pattern recognition;    pEDXRF spectrometry;   

Others  :  788074
DOI  :  10.1186/1752-153X-6-102

 received in 2012-06-24, accepted in 2012-09-12,  发布年份 2012

【 摘 要 】

Background

Portable energy dispersive X-ray fluorescence (pEDXRF) spectrometry analysis was applied for the characterisation of archaeological ceramic findings from three Neolithic sites in Serbia. Two dimension reduction techniques, principal component analysis (PCA) and scattering matrices-based dimension reduction were used to examine the possible classification of those findings, and to extract the most discriminant features.

Results

A decision-making procedure is proposed, whose goal is to classify unknown ceramic findings based on their elemental compositions derived by pEDXRF spectrometry. As a major part of decision-making procedure, the possibilities of two dimension reduction methods were tested. Scattering matrices-based dimension reduction was found to be the more efficient method for the purpose. Linear classifiers designed based on the desired output allowed for 7 of 8 unknown samples from the test set to be correctly classified.

Conclusions

Based on the results, the conclusion is that despite the constraints typical of the applied analytical technique, the elemental composition can be considered as viable information in provenience studies. With a fully-developed procedure, ceramic artefacts can be classified based on their elemental composition and well-known provenance.

【 授权许可】

   
2012 Gajic-Kvascev et al.; licensee Chemistry Central Ltd.

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