Optics and Precision Engineering, Volume. 32, Issue 22, 3288(2024)

High dynamic range 3D measurement with complementary line-shifting strips based on color image synthesis

Wanyu GU1...2, Kenghong SHI1,2, Ziwei WANG1,2, Yupei MIAO1,2, Zewei CAI1,2, Qijian TANG1,2, Xiang PENG1,2, and Xiaoli LIU12,* |Show fewer author(s)
Author Affiliations
  • 1Ministry of Education/Guangdong Province Key Laboratory of Optoelectronic Devices and Systems, College of Physics and Optoelectronic Engineering, Shenzhen University, Shenzhen58060, China
  • 2Shenzhen Key Laboratory of Intelligent Optical Measurement and Detection, College of Physics and Optoelectronic Engineering, Shenzhen University, Shenzhen518060, China
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    Figures & Tables(9)
    High dynamic range 3D measurement with complementary line-shifting strips based on color image synthesis
    Line-shifting strips encoding and decoding scheme
    Monocular line-shifting strips measurement system
    Each channel image and contrast distribution of line-shifting strips. (a)(b) A pair of complementary line-shifting strips color images and their images in three channels captured by the camera; (c) The metal disc with uniform illumination; (d) The overall contrast image corresponding to the three color channels; (e)(f)(g) The contrast curves for regions A, B, and C in Figure 4(d), respectively
    High dynamic range image synthesis results
    Reconstructed point cloud of the metal disc for the three channels
    Comparison of the reconstruction results of the metal disc.
    Comparison of reconstruction results of metal plate
    • Table 1. Comparison of proposed method with the multiple exposure method

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      Table 1. Comparison of proposed method with the multiple exposure method

      项目金属圆片金属平板
      所提方法多曝光方法所提方法多曝光方法
      图像数量3111531115
      曝光时间/ms2010, 25, 40, 55, 702010, 25, 40, 55, 70
      总采集时间/s1.246.901.246.90
      计算时间/s8.0915.688.4217.45
      总时间/s9.3322.589.6624.35
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    Wanyu GU, Kenghong SHI, Ziwei WANG, Yupei MIAO, Zewei CAI, Qijian TANG, Xiang PENG, Xiaoli LIU. High dynamic range 3D measurement with complementary line-shifting strips based on color image synthesis[J]. Optics and Precision Engineering, 2024, 32(22): 3288

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    Paper Information

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    Received: Jun. 14, 2024

    Accepted: --

    Published Online: Mar. 10, 2025

    The Author Email: LIU Xiaoli (lxl@szu.edu.cn)

    DOI:10.37188/OPE.20243222.3288

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