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Applied Optics

Applied Optics

APPLICATIONS-CENTERED RESEARCH IN OPTICS

  • Editor: Joseph N. Mait
  • Vol. 52, Iss. 19 — Jul. 1, 2013
  • pp: 4681–4692

Deformation measurements by digital image correlation with automatic merging of data distributed in time

Marcin Malesa and Malgorzata Kujawinska  »View Author Affiliations


Applied Optics, Vol. 52, Issue 19, pp. 4681-4692 (2013)
http://dx.doi.org/10.1364/AO.52.004681


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Abstract

This paper presents a method to analyze 3D displacement data captured by digital image correlation (DIC) method over a long period of time. It allows monitoring of an object when a 3D DIC setup is not fixed in the same position between a consecutive series of measurements. An implementation of the data merging procedure is described and a proof of concept is provided using example measurements for both a numerical model and a real experiment in laboratory conditions. We evaluated the accuracy and discuss the main sources of errors. The obtained results prove the method is feasible for in situ long-term measurements and monitoring in industry and civil engineering.

© 2013 Optical Society of America

OCIS Codes
(100.2000) Image processing : Digital image processing
(150.3045) Machine vision : Industrial optical metrology
(150.5495) Machine vision : Process monitoring and control

ToC Category:
Machine Vision

History
Original Manuscript: March 15, 2013
Revised Manuscript: May 24, 2013
Manuscript Accepted: May 26, 2013
Published: June 27, 2013

Citation
Marcin Malesa and Malgorzata Kujawinska, "Deformation measurements by digital image correlation with automatic merging of data distributed in time," Appl. Opt. 52, 4681-4692 (2013)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-52-19-4681

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