Laser Technology, Volume. 49, Issue 3, 368(2025)

DIC displacement measurement method based on the improved white shark optimizer

LI Jun1,2、*, LEI Zongyu2, CAI Zizheng2, and FU Haibo2
Author Affiliations
  • 1Hunan Province Engineering Laboratory of Bridge Structure, Changsha University of Science & Technology, Changsha 410114, China
  • 2School of Civil Engineering, Changsha University of Science and Technology, Changsha 410114, China
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    References(8)

    [1] [1] YAMAGUCHI I. A laser-speckle strain gauge[J]. Journal of Phy-sics, 1981, E14(11): 1270-1273.

    [2] [2] PETERS W H, RANSON W F. Digital imaging techniques in experimental stress analysis[J]. Optical Engineering, 1982, 21(3): 427-431.

    [3] [3] PETERS W H, RANSON W F, SUTTON M A,et al. Application of digital correlation methods to rigid body mechanics[J]. Optical Engineering, 1983, 22(6): 738-742.

    [11] [11] AKBAS S D. Nonlinear thermal displacements of laminated compo-site beams[J]. Coupled Systems Mechanics, 2018, 7(6): 691-705.

    [16] [16] CHEW K S, ZARRABI K. Non-contact displacements measurement using an improved particle swarm optimization based digital speckle correlation method[C]//Kuala Lumpur. 2011 International Conference on Pattern Analysis and Intelligence Robotics. Kuala Lumpur, Malaysia: IEEE Press, 2011: 53-58.

    [17] [17] BRAIK M, HAMMOURI A, ATWAN J,et al. White shark optimizer: A novel bio-inspired meta-heuristic algorithm for global optimization problems[J]. Knowledge-Based Systems, 2022, 243(7): 108457.

    [18] [18] MA S P, JIN G C. New correlation coefficients designed for digital speckle correlation method (DSCM)[J]. Proceedings of the SPIE, 2003, 5058: 25-33.

    [20] [20] ZHOU P, GOODSON K E. Subpixel displacement and deformation gradient measurement using digital image/speckle correlation (DISC)[J]. Optical Engineering, 2001, 40(8): 1613-1620.

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    LI Jun, LEI Zongyu, CAI Zizheng, FU Haibo. DIC displacement measurement method based on the improved white shark optimizer[J]. Laser Technology, 2025, 49(3): 368

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    Paper Information

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    Received: Apr. 1, 2024

    Accepted: Jul. 11, 2025

    Published Online: Jul. 11, 2025

    The Author Email: LI Jun (lijun@csust.edu.cn)

    DOI:10.7510/jgjs.issn.1001-3806.2025.03.008

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