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Related Experiment Video

Updated: Jun 27, 2025

Three-dimensional Super Resolution Microscopy of F-actin Filaments by Interferometric PhotoActivated Localization Microscopy iPALM
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Use of Phase-Angle Model for Full-Field 3D Reconstruction under Efficient Local Calibration.

Fengxiao Lei1, Ruijie Ma1, Xinghui Li1,2

  • 1Tsinghua Shenzhen International Graduate School, Tsinghua University, Shenzhen 518055, China.

Sensors (Basel, Switzerland)
|April 27, 2024
PubMed
Summary
This summary is machine-generated.

This study introduces a new 3D reconstruction method using structured light that avoids extensive calibration. It achieves full-field 3D reconstruction with high accuracy by establishing a global model from local calibration, reducing time and cost.

Keywords:
3D reconstructioncalibrationfringes projection

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Area of Science:

  • Optics
  • Computer Vision
  • Metrology

Background:

  • Traditional 3D reconstruction with structured light requires pre-calibrated areas, leading to time-consuming multi-position calibration or costly large calibration plates for full-field reconstruction.
  • Existing methods face limitations in efficiency and cost for achieving comprehensive 3D surface measurements.

Purpose of the Study:

  • To develop a novel method for full-field 3D reconstruction in structured light systems.
  • To enable accurate 3D reconstruction outside of a locally calibrated region.
  • To reduce the calibration time and cost associated with traditional methods.

Main Methods:

  • Proposing a method to derive a global phase-angle model from a locally calibrated region.
  • Investigating and analyzing 3D reconstruction performance both inside and outside the calibrated zone.
  • Utilizing local calibration of projected fringes at two positions for full-field reconstruction.

Main Results:

  • The proposed method successfully reconstructs objects outside the initially calibrated zone.
  • Achieved planarity error of approximately 0.1 mm.
  • Maintained sphericity error below 0.06 mm.

Conclusions:

  • The method offers a more advantageous approach to full-field 3D reconstruction by requiring only local calibration.
  • It significantly improves efficiency and reduces costs compared to traditional full-field calibration techniques.
  • The findings demonstrate the feasibility of accurate and efficient 3D reconstruction over large areas.