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Updated: Jan 30, 2026
08:08
Major Components of the Light Microscope
Published on: July 30, 2008
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Contour extraction of a laser stripe located on a microscope image from a stereo light microscope
Yuezong Wang1, Benliang Geng1, Chao Long1
1College of Mechanical Engineering and Applied Electronics Technology, Beijing University of Technology, Beijing, China.
Microscopy Research and Technique
|January 12, 2019
Summary
This study introduces a new system for 3D shape measurement of microscopic objects using laser fringe scanning and a stereo light microscope. The developed laser stripe detection method accurately extracts subpixel contours for high-quality 3D reconstruction.
Area of Science:
- Metrology
- Microscopy
- Optical Engineering
Background:
- Stereo light microscopes offer binocular vision for 3D measurements.
- Microscopic 3D shape reconstruction requires precise object surface data.
Purpose of the Study:
- To develop a novel system for 3D shape reconstruction of microscopic objects.
- To enhance laser stripe detection for accurate contour extraction in microscopic images.
Main Methods:
- Integration of laser fringe scanning with a stereo light microscope.
- Application of the Canny edge detection rule for initial stripe localization.
- Subpixel edge extraction using polynomial fitting and Hermite interpolation for contour refinement.
Main Results:
- Effective detection of laser stripe subpixel positions.
- Generation of high-quality, continuous edge contours.
- Demonstrated suitability for laser stripe contour extraction in microscopic images.
Conclusions:
- The novel system enables accurate 3D shape measurement of microscopic objects.
- The proposed laser stripe detection method significantly improves contour extraction quality.
- This technique is valuable for microscopic metrology and surface analysis.
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