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

Relative Motion Analysis - Acceleration01:10

Relative Motion Analysis - Acceleration

842
A slider-crank mechanism converts rotational motion from the crank into linear motion of the slider or vice versa. This mechanism consists of three main parts: the crank, the connecting rod, and the slider. The movement of the slider-crank is an example of general plane motion as the fluctuating angle between the crank and the connecting rod. Consider a segment AB where point A is at the end of the slider and point B is on the diametrically opposite end to point A, on a crack. The variance in...
842
Plastic Deformations01:19

Plastic Deformations

439
Plastic deformation represents a fundamental concept in materials science, which explains the irreversible change in the shape of a material when it experiences stress beyond its elastic capability. This phenomenon is important in structural engineering, especially in designing and analyzing cantilever beams—structures that are securely fixed at one end and bear loads at the opposite end. When these beams are subjected to loads within their elastic range, they will return to their...
439
Plastic Deformations01:14

Plastic Deformations

412
It is essential to understand how structural members behave under plastic deformation when the bending stress exceeds the material's yield strength. This state of deformation permanently alters the shape of the member, in contrast to the linear elastic behavior observed before yielding. The strain at any point in the member is expressed in terms of maximum strain. Notably, the neutral axis, which coincides with the centroid during elastic bending, shifts away from the centroid under plastic...
412
Relative Motion Analysis using Rotating Axes - Acceleration01:22

Relative Motion Analysis using Rotating Axes - Acceleration

764
Consider a component AB undergoing a linear motion. Along with a linear motion, point B also rotates around point A. To comprehend this complex movement, position vectors for both points A and B are established using a stationary reference frame. The absolute velocity of point B is determined by adding the absolute velocity of point A, the relative velocity of point B in the rotating frame, and the effects caused by the angular velocity within the rotating frame.
Time differentiation is...
764
Accelerators01:17

Accelerators

278
Accelerators in concrete serve as admixtures to speed up the hardening process, enabling the concrete to achieve early strength faster. Although accelerators do not necessarily impact the time it takes concrete to set, they reduce this time in practice. A common accelerator is calcium chloride, which is particularly useful for hastening early strength development in cold weather or for rapid repair jobs that require quick heat generation after mixing.
The effectiveness of calcium chloride can...
278
Graphical and Analytic Representation of Sinusoids01:20

Graphical and Analytic Representation of Sinusoids

921
Analyzing two sinusoidal voltages with equal amplitude and period but different phases on an oscilloscope, an instrument used to display and analyze waveforms, involves a three-step process.
The first step is measuring the peak-to-peak value, which is twice the amplitude of the sinusoid. This provides information about the maximum voltage swing of the waveform.
Secondly, the period and angular frequency are determined. The period is the time taken for one complete cycle of the waveform, while...
921

You might also read

Related Articles

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

Sort by
Same author

Phase derivative estimation in digital holographic interferometry using a deep learning approach.

Applied optics·2022
Same author

Automated defect identification from carrier fringe patterns using Wigner-Ville distribution and a machine learning-based method.

Applied optics·2021
Same author

Demodulation of noisy interferograms with rapid phase variations and amplitude fluctuations using a surrogate principle-based optimization method.

Applied optics·2021
Same author

Step phase reconstruction using an anisotropic total variation regularization method in a diffraction phase microscopy.

Applied optics·2019
Same author

Phase recovery method in digital holographic interferometry using high-resolution signal parameter estimation.

Applied optics·2019
Same author

Demodulation of moire fringes in digital holographic interferometry using an extended Kalman filter.

Applied optics·2018

Related Experiment Video

Updated: Jan 22, 2026

Compact Lens-less Digital Holographic Microscope for MEMS Inspection and Characterization
10:28

Compact Lens-less Digital Holographic Microscope for MEMS Inspection and Characterization

Published on: July 5, 2016

10.7K

Rapid deformation analysis in digital holographic interferometry using graphics processing unit accelerated

Ankur Vishnoi, Gannavarpu Rajshekhar

    Applied Optics
    |June 29, 2019
    PubMed
    Summary

    This study introduces a fast method for analyzing object deformation using digital holographic interferometry. A graphics processing unit-accelerated Wigner-Ville distribution efficiently extracts displacement derivatives from complex fringe patterns.

    More Related Videos

    Quantifying Microorganisms at Low Concentrations Using Digital Holographic Microscopy DHM
    07:27

    Quantifying Microorganisms at Low Concentrations Using Digital Holographic Microscopy DHM

    Published on: November 1, 2017

    10.9K
    Digital Inline Holographic Microscopy DIHM of Weakly-scattering Subjects
    10:16

    Digital Inline Holographic Microscopy DIHM of Weakly-scattering Subjects

    Published on: February 8, 2014

    12.7K

    Related Experiment Videos

    Last Updated: Jan 22, 2026

    Compact Lens-less Digital Holographic Microscope for MEMS Inspection and Characterization
    10:28

    Compact Lens-less Digital Holographic Microscope for MEMS Inspection and Characterization

    Published on: July 5, 2016

    10.7K
    Quantifying Microorganisms at Low Concentrations Using Digital Holographic Microscopy DHM
    07:27

    Quantifying Microorganisms at Low Concentrations Using Digital Holographic Microscopy DHM

    Published on: November 1, 2017

    10.9K
    Digital Inline Holographic Microscopy DIHM of Weakly-scattering Subjects
    10:16

    Digital Inline Holographic Microscopy DIHM of Weakly-scattering Subjects

    Published on: February 8, 2014

    12.7K

    Area of Science:

    • Precision metrology
    • Optical measurement techniques
    • Deformation analysis

    Background:

    • High-speed measurement of dynamic deformations is crucial in precision engineering.
    • Existing methods struggle with the computational demands of analyzing temporal displacement derivatives.
    • Digital holographic interferometry (DHI) offers potential but requires efficient data processing.

    Purpose of the Study:

    • To develop a computationally efficient method for high-speed temporal deformation analysis using DHI.
    • To extract displacement derivative information from sequentially recorded digital holograms.
    • To address the computational complexity associated with fringe pattern analysis in DHI.

    Main Methods:

    • Recording a series of digital holograms of a loaded object under varying conditions.
    • Numerical reconstruction of holograms to generate interference fringe patterns.
    • Applying a graphics processing unit (GPU)-accelerated Wigner-Ville distribution for fringe analysis.

    Main Results:

    • The proposed method successfully processes large datasets of interference fringe patterns.
    • High-speed extraction of temporal displacement derivative information was achieved.
    • Experimental validation confirmed the efficiency and accuracy of the Wigner-Ville distribution approach on a GPU.

    Conclusions:

    • The GPU-accelerated Wigner-Ville distribution is a viable and efficient solution for high-speed deformation analysis in DHI.
    • This approach overcomes significant computational challenges in precision metrology.
    • Enables advanced, real-time monitoring of dynamic object deformations.