Jove
Visualize
Contact Us
JoVE
x logofacebook logolinkedin logoyoutube logo
ABOUT JoVE
OverviewLeadershipBlogJoVE Help Center
AUTHORS
Publishing ProcessEditorial BoardScope & PoliciesPeer ReviewFAQSubmit
LIBRARIANS
TestimonialsSubscriptionsAccessResourcesLibrary Advisory BoardFAQ
RESEARCH
JoVE JournalMethods CollectionsJoVE Encyclopedia of ExperimentsArchive
EDUCATION
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab ManualFaculty Resource CenterFaculty Site
Terms & Conditions of Use
Privacy Policy
Policies

Related Experiment Videos

Fourier-transform method of data compression and temporal fringe pattern analysis.

Tuck Wah Ng1, Kar Tien Ang

  • 1Faculty of Engineering, Engineering Block EA-07-32, National University of Singapore, 9 Engineering Drive 1, Singapore 117576. engngtw@nus.edu.sg

Applied Optics
|December 2, 2005
PubMed
Summary
This summary is machine-generated.

Related Concept Videos

You might also read

Related Articles

Articles linked to this work by shared authors, journal, and citation graph.

Sort by
Same author

Manual and automated bacterial streak plating using permanent magnet-actuated metal balls.

Journal of microbiological methods·2025
Same author

Sample loading in gel electrophoresis using adapted 3D printers.

Analytical biochemistry·2024
Same author

Graphene Oxide Paper Manipulation of Micro-Reactor Drops.

Micromachines·2023
Same author

Fog Harvesting with Highly Wetting and Nonwetting Vertical Strips.

Langmuir : the ACS journal of surfaces and colloids·2022
Same author

Low-cost Imaging of Fluorescent DNA in Agarose Gel Electrophoresis using Raspberry Pi cameras.

Journal of fluorescence·2022
Same author

Cryoprotectant-free preservation of bacteria using semi-spherical drops.

Cryobiology·2021

A new Fourier-transform method compresses temporal fringe data, enabling efficient storage and retrieval of intensity and deformation phase. This technique achieves high compression ratios with minimal data loss for transient phenomena studies.

Area of Science:

  • Optical Metrology
  • Data Compression
  • Transient Phenomena Analysis

Background:

  • Temporal fringe pattern analysis is crucial for studying transient phenomena.
  • Large data storage is required for fringe pattern intensity and deformation phase data.
  • Efficient data management is needed for advanced optical metrology.

Purpose of the Study:

  • To develop and evaluate a compression scheme for temporal fringe data.
  • To enable retrieval of both intensity and deformation phase from compressed data.
  • To assess the effectiveness of the Fourier-transform method for data reduction.

Main Methods:

  • A compression scheme based on the Fourier-transform method was developed.
  • Simulated temporal wavefront interferometry and temporal speckle interferometry data were used for testing.

Related Experiment Videos

  • Performance was evaluated based on compression ratio, useful data ratio, and root-mean-square error in phase restoration.

    • Main Results:

    • A compression ratio of 10.77 and a useful data ratio of 0.859 were achieved with simulated temporal wavefront interferometry data.
    • The average root-mean-square error in phase restoration was 0.0015 rad for wavefront interferometry.
    • For temporal speckle interferometry, parameter optimization (modulation cutoff value) influenced compression and phase restoration accuracy.

    Conclusions:

    • The Fourier-transform based compression scheme effectively reduces data storage for temporal fringe patterns.
    • The method allows for accurate retrieval of essential data, crucial for transient phenomena analysis.
    • Further optimization of modulation cutoff values can balance compression efficiency and phase restoration fidelity.