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 Concept Videos

Time and frequency -Domain Interpretation of Phase-lead Control01:24

Time and frequency -Domain Interpretation of Phase-lead Control

540
Phase-lead controllers are commonly used in various control systems to enhance response speed and stability. Adjusting the brightness on a television screen offers a practical example of phase-lead control. When contrast is enhanced, a phase-lead controller is employed. Mathematically, phase-lead control is identified when the first parameter is smaller than the second.
The design of phase-lead control involves the strategic placement of poles and zeros to balance steady-state error and system...
540

You might also read

Related Articles

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

Sort by
Same author

Comparative efficacy and safety of first-line treatments for advanced hepatocellular carcinoma: a Bayesian network meta-analysis.

Frontiers in immunology·2026
Same author

Compound probiotics alleviate aflatoxin B1-induced reproductive toxicity in mice by remodeling gut microbiota and testicular metabolome via NRF2 pathway action.

Ecotoxicology and environmental safety·2026
Same author

Association between intracranial arterial stenosis severity and recurrent stroke risk in elderly ischemic stroke patients.

Frontiers in neurology·2026
Same author

Secondary metabolites in a mangrove-associated fungus <i>Aspergillus fumigatus</i> 06T03 and their antibacterial activity.

Natural product research·2026
Same author

Unlocking the decadal history of algal blooms in shallow lakes: A spectral polarity framework reveals nonlinear temperature responses.

Water research·2026
Same author

Age-dependent nuclear accumulation of the membrane-associated NAC transcription factor GER1 activates SA biosynthesis to promote leaf senescence in Arabidopsis.

Molecular plant·2026
Same journal

Multifunctional reconfigurable terahertz metasurface based on vanadium dioxide phase transition: achieving broadband absorption and efficient polarization conversion.

Applied optics·2026
Same journal

High-Q-factor electromagnetically induced transparency utilizing quasi-bound states in the continuum in an all-dielectric terahertz metasurface.

Applied optics·2026
Same journal

Automated stitching interferometry for high-precision metrology of X-ray mirrors.

Applied optics·2026
Same journal

Experimental demonstration of an approach to designing a metal-dielectric DBR resonant cavity structure.

Applied optics·2026
Same journal

High-precision wavefront reconstruction from a single-shot interferogram using a physics-driven hybrid feature calibration network.

Applied optics·2026
Same journal

Ultra-high-Q Fano resonance based on coupled topological corner states in Kagome photonic crystals.

Applied optics·2026
See all related articles

Related Experiment Video

Updated: Apr 20, 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

16.2K

Principal-vector-directed fringe-tracking technique.

Zhihui Zhang, Hongwei Guo

    Applied Optics
    |November 18, 2014
    PubMed
    Summary
    This summary is machine-generated.

    This study introduces a novel fringe tracking method using principal vectors to accurately analyze noisy fringe patterns. It improves fringe analysis by automatically identifying singular points and reducing computational load.

    More Related Videos

    A Protocol for Real-time 3D Single Particle Tracking
    10:16

    A Protocol for Real-time 3D Single Particle Tracking

    Published on: January 3, 2018

    15.4K
    The Frequency Domain Thermoreflectance Technique for Thermal Property Measurements
    09:10

    The Frequency Domain Thermoreflectance Technique for Thermal Property Measurements

    Published on: December 5, 2025

    1.3K

    Related Experiment Videos

    Last Updated: Apr 20, 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

    16.2K
    A Protocol for Real-time 3D Single Particle Tracking
    10:16

    A Protocol for Real-time 3D Single Particle Tracking

    Published on: January 3, 2018

    15.4K
    The Frequency Domain Thermoreflectance Technique for Thermal Property Measurements
    09:10

    The Frequency Domain Thermoreflectance Technique for Thermal Property Measurements

    Published on: December 5, 2025

    1.3K

    Area of Science:

    • Optics and Photonics
    • Image Processing
    • Computational Physics

    Background:

    • Fringe tracking is essential for analyzing fringe patterns in optical metrology.
    • Existing methods struggle with noisy data and identifying singular points.
    • Principal component analysis (PCA) has been used but requires improvement.

    Purpose of the Study:

    • To develop an improved fringe tracking technique for noisy fringe patterns.
    • To enhance the accuracy and efficiency of fringe pattern analysis.
    • To automate the identification of singular points in fringe patterns.

    Main Methods:

    • A principal-vector-directed fringe tracking technique is presented.
    • Gaussian derivatives are used for fringe gradient estimation.
    • Hysteresis thresholding is employed for singular point segmentation, improving PCA.

    Main Results:

    • The method accurately estimates principal fringe vectors even in high noise.
    • Automatic identification of singular point regions is achieved.
    • Computational burden is alleviated by simplifying seed point determination for fringe skeletons.

    Conclusions:

    • The principal-vector-directed fringe tracking method is robust against noise.
    • It offers improved accuracy and efficiency in fringe pattern analysis.
    • Validated through numerical simulations and experimental results.