Non-invasive investigations of a wall painting using optical coherence tomography and hyperspectral imaging

LIANG, H., LANGE, R., HOWARD, H. and SPOONER, J., 2011. Non-invasive investigations of a wall painting using optical coherence tomography and hyperspectral imaging. Proceedings of SPIE - The International Society for Optical Engineering, 8084. ISSN 0277-786X

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Abstract

Multispectral and hyperspectral imaging are efficient methods of measuring spectral reflectance at high spatial resolution. This non-invasive technique has been applied to the imaging of paintings over the last 20 years. PRISMS (Portable Remote Imaging System for Multispectral Scanning) was designed specifically for imaging wall paintings. Optical Coherence Tomography (OCT) is a low coherence interferometric technique capable of fast non-invasive imaging of subsurface microstructure. This paper shows the first application of in situ OCT imaging of a wall painting. The combination of PRISMS and OCT gives information on the varnish and paint layer structure, pigment identification, the state of degradation of the paint and varnish layers and informing curators on the painting schemes and techniques.

Item Type: Journal article
Publication Title: Proceedings of SPIE - The International Society for Optical Engineering
Creators: Liang, H., Lange, R., Howard, H. and Spooner, J.
Publisher: SPIE
Date: 2011
Volume: 8084
ISSN: 0277-786X
Identifiers:
NumberType
10.1117/12.890088DOI
Rights: Copyright © 2011 Society of Photo-Optical Instrumentation Engineers. One print or electronic copy may be made for personal use only. Systematic reproduction and distribution, duplication of any material in this paper for a fee or for commercial purposes, or modification of the content of the paper are prohibited.
Divisions: Schools > School of Science and Technology
Depositing User: EPrints Services
Date Added: 09 Oct 2015 10:01
Last Modified: 09 Jun 2017 13:16
URI: http://irep.ntu.ac.uk/id/eprint/6460

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