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Updated: Jun 21, 2026

Subsurface Defect Localization by Structured Heating Using Laser Projected Photothermal Thermography
11:34

Subsurface Defect Localization by Structured Heating Using Laser Projected Photothermal Thermography

Published on: May 15, 2017

Scanning from heating: 3D shape estimation of transparent objects from local surface heating.

Gonen Eren1, Olivier Aubreton, Fabrice Meriaudeau

  • 1University of Burgundy, Le2i Laboratory CNRS UMR 5158, 71200 LeCreusot, France. goneneren@su.sabanciuniv.edu

Optics Express
|July 8, 2009
PubMed
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This study introduces Scanning From Heating (SFH), a novel method for 3D reconstruction of transparent objects. SFH uses laser heating and thermal imaging to overcome challenges in computer vision for quality control.

Area of Science:

  • Computer Vision
  • Optical Engineering
  • Materials Science

Background:

  • In-line 3D quality control is crucial for product manufacturing.
  • Reconstructing transparent objects is challenging due to surface properties like transparency and specularity.

Purpose of the Study:

  • To develop a new method for 3D surface shape determination of transparent objects.
  • To address limitations in current computer vision techniques for transparent materials.

Main Methods:

  • Proposed a novel technique named Scanning From Heating (SFH).
  • Utilized laser surface heating to induce thermal variations.
  • Employed thermal imaging to capture surface temperature changes and reconstruct shape.

Main Results:

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Related Experiment Videos

Last Updated: Jun 21, 2026

Subsurface Defect Localization by Structured Heating Using Laser Projected Photothermal Thermography
11:34

Subsurface Defect Localization by Structured Heating Using Laser Projected Photothermal Thermography

Published on: May 15, 2017

Quantitative Visualization and Detection of Skin Cancer Using Dynamic Thermal Imaging
06:08

Quantitative Visualization and Detection of Skin Cancer Using Dynamic Thermal Imaging

Published on: May 5, 2011

Near-Infrared Temperature Measurement Technique for Water Surrounding an Induction-heated Small Magnetic Sphere
08:52

Near-Infrared Temperature Measurement Technique for Water Surrounding an Induction-heated Small Magnetic Sphere

Published on: April 30, 2018

  • Successfully determined the surface shape of transparent objects.
  • Demonstrated the method's applicability to transparent glass.
  • Presented results showcasing accurate reconstruction of various surface shapes.

Conclusions:

  • Scanning From Heating (SFH) offers a viable solution for 3D reconstruction of transparent objects.
  • The method enhances in-line quality control capabilities for products with transparent components.
  • SFH overcomes key challenges posed by transparency and specularity in computer vision.