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  1. Home
  3. Temporal Line-shifting Structured Light For Robust High-precision 3d Reconstruction.
  1. Home
  3. Temporal Line-shifting Structured Light For Robust High-precision 3d Reconstruction.

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Temporal line-shifting structured light for robust high-precision 3D reconstruction.

Qiyun Zeng, Zhihao Huang, Xiao Yu

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    |August 13, 2025

    View abstract on PubMed

    Summary
    This summary is machine-generated.

    This study introduces a novel 3D reconstruction method using temporal line-shifting structured light. It overcomes challenges in high-reflectivity environments for industrial automation inspection.

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    Area of Science:

    • Computer Vision
    • Metrology
    • Optical Engineering

    Background:

    • Traditional 3D reconstruction methods struggle with high-reflectivity and high-dynamic-range industrial environments.
    • Existing techniques like fringe projection and laser scanning face data loss, accuracy issues, and inefficiency in complex scenarios.

    Purpose of the Study:

    • To develop a novel 3D reconstruction method robust to challenging industrial environments.
    • To address limitations of current 3D scanning technologies in automation inspection.

    Main Methods:

    • A temporal line-shifting structured light approach is proposed.
    • Intensity encoding over time using binary line-shifting patterns.
    • Temporal grayscale centroid method for temporal center acquisition.
  • Complementary Gray codes for ambiguity removal.
  • Mapping model established between temporal center and depth.

    • Main Results:

    • The proposed method demonstrates enhanced accuracy and robustness in 3D reconstruction.
    • Superior performance observed in complex industrial environments.
    • Successfully overcomes limitations of traditional methods in challenging conditions.

    Conclusions:

    • The temporal line-shifting structured light method offers a significant advancement for 3D reconstruction.
    • The technique shows strong potential for industrial automation inspection applications.
    • Provides a more reliable solution for 3D scanning in difficult environments.