Laser & Optoelectronics Progress, Volume. 57, Issue 5, 051201(2020)

Profile Measurement of High-Reflective Surface Based on Projected Fringe Profilometry and Independent Component Analysis

Yixiang Zhang and Lianxin Zhang*
Author Affiliations
  • Institute of Machinery Manufacturing Technology, China Academy of Engineering Physics, Mianyang, Sichuan 621900, China
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    A method that combines projected fringe profilometry with independent component analysis (ICA) is proposed to realize the three-dimensional profile measurement of high-reflective surfaces. The reflection model and characteristics of reflection light from high-reflective surfaces are analyzed. The reflection light is mainly composed of specular and diffuse components. Considering the polarization property of the specular light, we put a polarizer before the CCD camera to eliminate the specular light primarily. Then, the polarization images at different angles can be captured by rotating the polarizer, and the separation of specular and diffuse components can be realized by using the reflection model combined with ICA. Finally, the images of diffuse components can be applied to the three-dimensional reconstruction. A smooth aluminum alloy sheet is measured, and the feasibility of the proposed method is verified.

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    Yixiang Zhang, Lianxin Zhang. Profile Measurement of High-Reflective Surface Based on Projected Fringe Profilometry and Independent Component Analysis[J]. Laser & Optoelectronics Progress, 2020, 57(5): 051201

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    Paper Information

    Category: Instrumentation, Measurement and Metrology

    Received: Jul. 29, 2019

    Accepted: Aug. 27, 2019

    Published Online: Mar. 5, 2020

    The Author Email: Zhang Lianxin (lianxinzhang@caep.cn)

    DOI:10.3788/LOP57.051201

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