Optics and Precision Engineering, Volume. 32, Issue 8, 1252(2024)

Adaptive Discontinuity Segmentation in Phase Measurement

Gaoxu DENG1... Zihao LIU1, Liying KE2, Shiyang ZHOU3 and Lidong MA1,* |Show fewer author(s)
Author Affiliations
  • 1School of Mechanical Engineering, Taiyuan University of Science and Technology, Taiyuan030024, China
  • 2Metrology Calibration Center, Weihai Desheng Technology Testing Co., Ltd., Weihai6400, China
  • 3School of Mechanical Automation, Wuhan University of Science and Technology, Wuhan40081, China
  • show less
    Figures & Tables(10)
    Schematic diagram of discontinuous one-dimensional phase unwrapping
    Flowchart of the proposed algorithm
    Flowchart of post-processing weight calculation
    Comparison of the recognition results for phase patterns with simulated straight line discontinuities
    Comparison of recognition results for simulated rectangular discontinuous wrapped phase patterns
    Hardware system of phase measurement profilometry
    Comparison of experimental stripe patterns for phase measurement profilometry (a) Real scene; (b) Wrap phase images;(c)-(d) 3D display of discontinuous segmentation results and absolute phase manually set thresholds;(e)-(f) The discontinuity segmentation results and three-dimensional display of absolute phase of the proposed method.
    Absolute phase distribution results of the methods in one dimension (line 255 in Fig. 7(b))
    • Table 1. SME values of straight and rectangular discontinuous patterns at different noise levels

      View table
      View in Article

      Table 1. SME values of straight and rectangular discontinuous patterns at different noise levels

      SMEVariance
      Discontinuous type00.40.8
      Line0.036 20.513 31.678 3
      Square0.116 50.872 53.000 2
    • Table 2. Time comparison of two methods for obtaining thresholds

      View table
      View in Article

      Table 2. Time comparison of two methods for obtaining thresholds

      Empiric valueProposed method
      Time124.234 8
    Tools

    Get Citation

    Copy Citation Text

    Gaoxu DENG, Zihao LIU, Liying KE, Shiyang ZHOU, Lidong MA. Adaptive Discontinuity Segmentation in Phase Measurement[J]. Optics and Precision Engineering, 2024, 32(8): 1252

    Download Citation

    EndNote(RIS)BibTexPlain Text
    Save article for my favorites
    Paper Information

    Category:

    Received: Oct. 16, 2023

    Accepted: --

    Published Online: May. 29, 2024

    The Author Email: MA Lidong (mald@tyust.edu.cn)

    DOI:10.37188/OPE.20243208.1252

    Topics