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

Reconstruction of Signal using Interpolation01:10

Reconstruction of Signal using Interpolation

778
Signal processing techniques are essential for accurately converting continuous signals to digital formats and vice versa. When a continuous signal is sampled with a period T, the resulting sampled signal exhibits replicas of the original spectrum in the frequency domain, spaced at intervals equal to the sampling frequency. To handle this sampled signal, a zero-order hold method can be applied, which creates a piecewise constant signal by retaining each sample's value until the next...
778
Phase Contrast and Differential Interference Contrast Microscopy01:26

Phase Contrast and Differential Interference Contrast Microscopy

14.6K
Phase-Contrast Microscopes
In-phase-contrast microscopes, interference between light directly passing through a cell and light refracted by cellular components is used to create high-contrast, high-resolution images without staining. It is the oldest and simplest type of microscope that creates an image by altering the wavelengths of light rays passing through the specimen. Altered wavelength paths are created using an annular stop in the condenser. The annular stop produces a hollow cone of...
14.6K
IR Spectrometers01:25

IR Spectrometers

2.7K
There are two main infrared (IR) spectrophotometers: dispersive IR spectrometers and Fourier transform infrared (FTIR) spectrometers. In a dispersive IR spectrometer, a beam of infrared radiation produced by a hot wire is divided into two parallel equal-intensity beams using mirrors. One beam passes through the sample, while another is a reference beam. The beams then move through the monochromator, which separates the radiations into a continuous spectrum of different frequencies. The...
2.7K

You might also read

Related Articles

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

Sort by
Same author

Sunlight to Plasma: Mimicking nature's light for smarter agriculture and crop production.

Journal of advanced research·2026
Same author

Non-thermal plasma-activated methionine-containing Ringer's solution enhances cytotoxicity by increasing oxidative stress.

Journal of clinical biochemistry and nutrition·2026
Same author

Sound-field-projection synthesis using latent diffusion model for acousto-optic reconstruction.

The Journal of the Acoustical Society of America·2026
Same author

Differentiable equivalent source method: Joint optimization of equivalent source positions and strengths with implicit geometry constraints.

JASA express letters·2026
Same author

Hip Dislocation With Femoral Short Neck in Spondyloepiphyseal Dysplasia Treated by Open Reduction and Valgus Osteotomy: A Case Report.

Cureus·2026
Same author

Cognitive dysfunction during mild to moderate migraine attacks: potential implications for presenteeism.

BMC neurology·2026

Related Experiment Video

Updated: Feb 23, 2026

Shaping the Amplitude and Phase of Laser Beams by Using a Phase-only Spatial Light Modulator
08:39

Shaping the Amplitude and Phase of Laser Beams by Using a Phase-only Spatial Light Modulator

Published on: January 28, 2019

10.4K

Simple, flexible, and accurate phase retrieval method for generalized phase-shifting interferometry.

Kohei Yatabe, Kenji Ishikawa, Yasuhiro Oikawa

    Journal of the Optical Society of America. A, Optics, Image Science, and Vision
    |January 7, 2017
    PubMed
    Summary
    This summary is machine-generated.

    This study introduces a fast, non-iterative phase retrieval method using ellipse fitting and principal component analysis for fringe images. The technique simplifies phase retrieval, requiring no initial guess or tuning parameters for accurate results.

    More Related Videos

    Time Multiplexing Super Resolving Technique for Imaging from a Moving Platform
    06:25

    Time Multiplexing Super Resolving Technique for Imaging from a Moving Platform

    Published on: February 12, 2014

    8.9K
    The Generation of Higher-order Laguerre-Gauss Optical Beams for High-precision Interferometry
    12:14

    The Generation of Higher-order Laguerre-Gauss Optical Beams for High-precision Interferometry

    Published on: August 12, 2013

    22.6K

    Related Experiment Videos

    Last Updated: Feb 23, 2026

    Shaping the Amplitude and Phase of Laser Beams by Using a Phase-only Spatial Light Modulator
    08:39

    Shaping the Amplitude and Phase of Laser Beams by Using a Phase-only Spatial Light Modulator

    Published on: January 28, 2019

    10.4K
    Time Multiplexing Super Resolving Technique for Imaging from a Moving Platform
    06:25

    Time Multiplexing Super Resolving Technique for Imaging from a Moving Platform

    Published on: February 12, 2014

    8.9K
    The Generation of Higher-order Laguerre-Gauss Optical Beams for High-precision Interferometry
    12:14

    The Generation of Higher-order Laguerre-Gauss Optical Beams for High-precision Interferometry

    Published on: August 12, 2013

    22.6K

    Area of Science:

    • Optics and Photonics
    • Image Processing
    • Metrology

    Background:

    • Phase retrieval is crucial in optical metrology.
    • Existing iterative methods can be slow and require initial guesses.
    • Randomly phase-shifted fringe images present challenges for traditional algorithms.

    Purpose of the Study:

    • To develop a non-iterative, fast, and accurate phase retrieval algorithm.
    • To overcome limitations of iterative methods and handle random phase shifts.
    • To provide a simple and flexible solution for phase retrieval from fringe patterns.

    Main Methods:

    • Combines hyperaccurate least squares ellipse fitting with a subspace method (principal component analysis).
    • Employs a non-iterative approach, eliminating the need for initial guesses or parameter tuning.
    • Accommodates randomly phase-shifted fringe images and any number of images greater than two.

    Main Results:

    • Achieved fast and accurate phase retrieval from randomly phase-shifted fringe images.
    • Demonstrated high accuracy with minimal error, validated through simulations.
    • The method is simple, flexible, and easily implementable, as shown by provided MATLAB code.

    Conclusions:

    • The proposed non-iterative method offers a significant advancement in phase retrieval.
    • Its simplicity, flexibility, and accuracy make it suitable for various applications.
    • The algorithm effectively handles random phase shifts without complex procedures.