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Acta Optica Sinica, Volume. 44, Issue 7, 0712001(2024)

Adaptive Coding Fringe Projection Profilometry on Color Reflective Surfaces

Ying Wang1, Yubo Ni1, Zhaozong Meng1, Nan Gao1, Tong Guo2, Zeqing Yang1, Guofeng Zhang3, Wei Yin4, Hongwei Zhao3,4, and Zonghua Zhang1、*
Author Affiliations
  • 1School of Mechanical Engineering, Hebei University of Technology, Tianjin 300401, China
  • 2School of Precision Instrument and Optoelectronics Engineering, Tianjin University, Tianjin 300072, China
  • 3School of Mechanical Engineering, Xi an Jiaotong University, Xi an 710049, Shaanxi , China
  • 4National Key Laboratory of Strength and Structural Integrity, Aircraft Strength Research Institute of China, Xi an 710065, Shaanxi , China
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    AbstractGet PDF(in Chinese)
    Figures&Tables (8)
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    References (15)
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    Figures & Tables(8)
    Establish projector-camera matching relationship. (a) Coordinate system transformation relationship; (b) identification point bitmap

    Fig. 1. Establish projector-camera matching relationship. (a) Coordinate system transformation relationship; (b) identification point bitmap

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    Simulated sinusoidal fringe image and its cross-section. (a) Standard sinusoidal fringe pattern; (b) saturated sinusoidal fringe pattern

    Fig. 2. Simulated sinusoidal fringe image and its cross-section. (a) Standard sinusoidal fringe pattern; (b) saturated sinusoidal fringe pattern

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    Intensity profile of highly reflective region and unwrapped phase of the region. (a), (d) Highly reflective surface; (b), (e) projected complementary hue; (c), (f) changed saturation of projected color

    Fig. 3. Intensity profile of highly reflective region and unwrapped phase of the region. (a), (d) Highly reflective surface; (b), (e) projected complementary hue; (c), (f) changed saturation of projected color

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    Flow chart of experimental method

    Fig. 4. Flow chart of experimental method

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    Measure yellow ceramic cup surface. (a) Photo of yellow ceramic cup; (b) measured 3D shape

    Fig. 5. Measure yellow ceramic cup surface. (a) Photo of yellow ceramic cup; (b) measured 3D shape

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    Analysis of measurement efficiency. (a) Selected area; (b) phase recovery of traditional fringe and coded fringe in selected region at different exposure time; (c) four regions; (d) integrity of unwrapped phase using traditional fringe at different exposure time in each region; (e) integrity of unwrapped phase using coded fringe at different exposure time in each region

    Fig. 6. Analysis of measurement efficiency. (a) Selected area; (b) phase recovery of traditional fringe and coded fringe in selected region at different exposure time; (c) four regions; (d) integrity of unwrapped phase using traditional fringe at different exposure time in each region; (e) integrity of unwrapped phase using coded fringe at different exposure time in each region

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    Comparison of measured curve and fitted curve of cup surface. (a) Multiple exposures; (b) proposed method

    Fig. 7. Comparison of measured curve and fitted curve of cup surface. (a) Multiple exposures; (b) proposed method

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    • Table 1. Analysis of accuracy verification results

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      Table 1. Analysis of accuracy verification results

      LocationMean error /mmStandard deviation /mm
      Multiple exposuresProposed methodMultiple exposuresProposed method
      200.44750.18650.16910.0774
      400.44710.18590.17060.0783
      600.44830.18200.16870.0776
      800.44690.18560.16950.0744
      1000.44710.18480.16930.0768
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    Ying Wang, Yubo Ni, Zhaozong Meng, Nan Gao, Tong Guo, Zeqing Yang, Guofeng Zhang, Wei Yin, Hongwei Zhao, Zonghua Zhang. Adaptive Coding Fringe Projection Profilometry on Color Reflective Surfaces[J]. Acta Optica Sinica, 2024, 44(7): 0712001

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    Paper Information

    Category: Instrumentation, Measurement and Metrology

    Received: Dec. 6, 2023

    Accepted: Jan. 5, 2024

    Published Online: Apr. 11, 2024

    The Author Email: Zhang Zonghua (zhzhang@hebut.edu.cn)

    DOI:10.3788/AOS231894

    CSTR:32393.14.AOS231894

    Topics

    laser devices and laser physics
    Lasers and Laser Optics
    Laser physics
    laser manufacturing
    Instrumentation, Measurement and Metrology