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Related Experiment Video

Updated: Jun 11, 2026

High-resolution, High-speed, Three-dimensional Video Imaging with Digital Fringe Projection Techniques
11:34

High-resolution, High-speed, Three-dimensional Video Imaging with Digital Fringe Projection Techniques

Published on: December 3, 2013

Fringe image analysis based on the amplitude modulation method.

Shaoyan Gai1, Feipeng Da

  • 1Key Laboratory of Measurement and Control for Complex System of Ministry of Education, Southeast University, Nanjing 210096, China.

Optics Express
|July 1, 2010
PubMed
Summary
This summary is machine-generated.

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A new fringe analysis method uses amplitude modulation to encode fringe order directly into fringe patterns. This enables faster and more accurate absolute fringe phase calculation for optical metrology applications.

Area of Science:

  • Optical Metrology
  • Image Processing

Background:

  • Accurate fringe order determination is crucial for phase retrieval in optical measurement systems.
  • Traditional methods often involve complex algorithms or multiple fringe patterns, increasing processing time and potential errors.

Purpose of the Study:

  • To propose a novel phase-analysis method for fringe images.
  • To enable quick and correct absolute fringe phase calculation.
  • To integrate fringe order information directly within a single fringe pattern.

Main Methods:

  • A phase-shift method is combined with an amplitude-modulation fringe pattern.
  • Fringe order is identified by the unique amplitude of each fringe within the pattern.
  • A detailed algorithm for this amplitude-modulation fringe analysis is presented.

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Related Experiment Videos

Last Updated: Jun 11, 2026

High-resolution, High-speed, Three-dimensional Video Imaging with Digital Fringe Projection Techniques
11:34

High-resolution, High-speed, Three-dimensional Video Imaging with Digital Fringe Projection Techniques

Published on: December 3, 2013

Micro/Nano-scale Strain Distribution Measurement from Sampling Moiré Fringes
06:56

Micro/Nano-scale Strain Distribution Measurement from Sampling Moiré Fringes

Published on: May 23, 2017

Automated Analysis of Dynamic Ca2+ Signals in Image Sequences
06:49

Automated Analysis of Dynamic Ca2+ Signals in Image Sequences

Published on: June 16, 2014

Main Results:

  • The proposed method successfully encodes fringe order information in the amplitude modulation.
  • Absolute fringe phase can be calculated correctly and quickly using the amplitude-modulation fringe image.
  • Experimental validation in a full-field shape measurement system demonstrates the algorithm's effectiveness.

Conclusions:

  • The amplitude-modulation fringe technique offers an efficient approach for fringe order determination.
  • This method simplifies absolute phase calculation in optical metrology.
  • The technique shows promise for enhancing the speed and accuracy of full-field shape measurement systems.