Assessing the feasibility of monitoring strain in historical tapestries using Digital Image Correlation

Khennouf, D., Dulieu-Barton, J.M., Chambers, A.R., Lennard, F.J. and Eastop, D.D. (2010) Assessing the feasibility of monitoring strain in historical tapestries using Digital Image Correlation. Strain, 46, (1), 19-32. (doi:10.1111/j.1475-1305.2009.00637.x).


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Digital image correlation (DIC) is used to monitor strain in a representative textile
material and an historic tapestry. The validity of a ‘map function’ that allows 3D DIC displacement
measurements to be obtained when the reference data are collected with a camera set-up different
from that of the deformed data is assessed. An experiment was devised to study the effects of DIC
processing parameters (interrogation cell size and overlap) on strain measurements, and to investigate
if the textile contains adequate contrast for DIC to operate. The study shows that the textile’s
weave pattern can be used as the device for correlation. Long-term tests for monitoring creep strain
using DIC both in the laboratory and in situ are presented. The results show good correspondence
between strain changes in the tapestry and relative humidity.

Item Type: Article
Digital Object Identifier (DOI): doi:10.1111/j.1475-1305.2009.00637.x
ISSNs: 1475-1305 (print)
Related URLs:
Keywords: digital image correlation, relative humidity, tapestry
Subjects: T Technology > TJ Mechanical engineering and machinery
Divisions : University Structure - Pre August 2011 > School of Engineering Sciences > Fluid-Structure Interactions
University Structure - Pre August 2011 > School of Art
ePrint ID: 68668
Accepted Date and Publication Date:
1 January 2010Published
Date Deposited: 14 Sep 2009
Last Modified: 31 Mar 2016 12:54
Towards in-situ monitoring of tapestry degradation using strain-based engineering techniques
Funded by: Arts and Humanities Research Council (AH/D001404/1)
Led by: Frances Lennard
1 January 2007 to 30 August 2010

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