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A 3D shape measurement technique that makes use of a printed line pattern

Frederik Allaeys, Geert Luyckx UGent, Christophe Sarrazin, Ljubomir Jovanov UGent and Wilfried Philips UGent (2014) EXPERIMENTAL MECHANICS. 54(6). p.99-1009
abstract
The in-house validation of finite element models for bird strike events is currently carried out by means of experimental tests on flat plates. High displacement speeds in these experiments require a low exposure time of the highspeed camera (up to 1/50,000 s). In order to acquire images of sufficient quality, a special, high-intensity light source has to be used, which does not always turn out to be possible. Therefore, the regions with high displacement speeds often result in blurry images. In such cases, a printed line pattern to estimate the shape of the plate during the test, offers major advantages over a speckle pattern in terms of the reconstruction and optimization of the blurry regions. In this article, a stereo vision technique is presented that was developed to reconstructs 3D shape maps using images of impacted plates with printed line patterns. It is shown that two cameras are necessary to calculate accurate shape maps in case of large deflections. The resulting shapes can be used for the validation of numerical simulations.
Please use this url to cite or link to this publication:
author
organization
year
type
journalArticle (original)
publication status
published
subject
keyword
Impact, Blurring, Large, displacements, 3D shape measurement, Line pattern
journal title
EXPERIMENTAL MECHANICS
volume
54
issue
6
pages
99 - 1009
Web of Science type
Article
Web of Science id
000337159200007
JCR category
MATERIALS SCIENCE, CHARACTERIZATION & TESTING
JCR impact factor
1.548 (2014)
JCR rank
6/33 (2014)
JCR quartile
1 (2014)
ISSN
0014-4851
DOI
10.1007/s11340-014-9864-4
language
English
UGent publication?
yes
classification
A1
copyright statement
I have transferred the copyright for this publication to the publisher
id
4413483
handle
http://hdl.handle.net/1854/LU-4413483
date created
2014-06-13 09:03:30
date last changed
2017-03-09 12:47:41
@article{4413483,
  abstract     = {The in-house validation of finite element models for bird strike events is currently carried out by means of experimental tests on flat plates. High displacement speeds in these experiments require a low exposure time of the highspeed camera (up to 1/50,000 s). In order to acquire images of sufficient quality, a special, high-intensity light source has to be used, which does not always turn out to be possible. Therefore, the regions with high displacement speeds often result in blurry images. In such cases, a printed line pattern to estimate the shape of the plate during the test, offers major advantages over a speckle pattern in terms of the reconstruction and optimization of the blurry regions. In this article, a stereo vision technique is presented that was developed to reconstructs 3D shape maps using images of impacted plates with printed line patterns. It is shown that two cameras are necessary to calculate accurate shape maps in case of large deflections. The resulting shapes can be used for the validation of numerical simulations.},
  author       = {Allaeys, Frederik and Luyckx, Geert and Sarrazin, Christophe and Jovanov, Ljubomir and Philips, Wilfried},
  issn         = {0014-4851},
  journal      = {EXPERIMENTAL MECHANICS},
  keyword      = {Impact,Blurring,Large,displacements,3D shape measurement,Line pattern},
  language     = {eng},
  number       = {6},
  pages        = {99--1009},
  title        = {A 3D shape measurement technique that makes use of a printed line pattern},
  url          = {http://dx.doi.org/10.1007/s11340-014-9864-4},
  volume       = {54},
  year         = {2014},
}

Chicago
Allaeys, Frederik, Geert Luyckx, Christophe Sarrazin, Ljubomir Jovanov, and Wilfried Philips. 2014. “A 3D Shape Measurement Technique That Makes Use of a Printed Line Pattern.” Experimental Mechanics 54 (6): 99–1009.
APA
Allaeys, F., Luyckx, G., Sarrazin, C., Jovanov, L., & Philips, W. (2014). A 3D shape measurement technique that makes use of a printed line pattern. EXPERIMENTAL MECHANICS, 54(6), 99–1009.
Vancouver
1.
Allaeys F, Luyckx G, Sarrazin C, Jovanov L, Philips W. A 3D shape measurement technique that makes use of a printed line pattern. EXPERIMENTAL MECHANICS. 2014;54(6):99–1009.
MLA
Allaeys, Frederik, Geert Luyckx, Christophe Sarrazin, et al. “A 3D Shape Measurement Technique That Makes Use of a Printed Line Pattern.” EXPERIMENTAL MECHANICS 54.6 (2014): 99–1009. Print.