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

Inverse z-Transform by Partial Fraction Expansion01:20

Inverse z-Transform by Partial Fraction Expansion

726
The inverse z-transform is a crucial technique for converting a function from its z-domain representation back to the time domain. One effective method for finding the inverse z-transform is the Partial Fraction Method, which involves decomposing a function into simpler fractions with distinct coefficients. These fractions correspond to known z-transform pairs, facilitating the inverse transformation process.
To begin the process, the poles of the function are identified and the function is...
726
Insensitive Nuclei Enhanced by Polarization Transfer (INEPT)01:15

Insensitive Nuclei Enhanced by Polarization Transfer (INEPT)

1.1K
Insensitive Nuclei Enhanced by Polarization Transfer (INEPT) is an advanced Nuclear Magnetic Resonance (NMR) technique specifically designed to detect and enhance the signals of low-abundance nuclei, such as carbon-13 and nitrogen-15, in small molecules. The fundamental principle behind INEPT is the transfer of polarization from a more abundant and highly polarizable nucleus, typically hydrogen-1, to the low-abundance nucleus of interest. This process effectively boosts the NMR signal of the...
1.1K
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
Linear Approximation in Frequency Domain01:26

Linear Approximation in Frequency Domain

396
Linear systems are characterized by two main properties: superposition and homogeneity. Superposition allows the response to multiple inputs to be the sum of the responses to each individual input. Homogeneity ensures that scaling an input by a scalar results in the response being scaled by the same scalar.
In contrast, nonlinear systems do not inherently possess these properties. However, for small deviations around an operating point, a nonlinear system can often be approximated as linear....
396
Reconstruction of Signal using Interpolation01:10

Reconstruction of Signal using Interpolation

773
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...
773

You might also read

Related Articles

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

Sort by
Same author

Rapid intraoperative multi-molecular diagnosis of glioma with ultrasound radio frequency signals and deep learning.

EBioMedicine·2023
Same author

The burden of HEV-related acute liver failure in Bangladesh, China and India: a systematic review and meta-analysis.

BMC public health·2023
Same author

Establishment of a predictive nomogram for differentiated thyroid cancer: an inpatient-based retrospective study.

Endokrynologia Polska·2023
Same author

Remnant cholesterol and severity of nonalcoholic fatty liver disease.

Diabetology & metabolic syndrome·2023
Same author

Black phosphorus quantum dots induce myocardial inflammatory responses and metabolic disorders in mice.

Journal of environmental sciences (China)·2023
Same author

15.26Gb/s Si-substrate GaN high-speed visible light photodetector with super-lattice structure.

Optics express·2023

Related Experiment Video

Updated: Feb 21, 2026

Lens-free Video Microscopy for the Dynamic and Quantitative Analysis of Adherent Cell Culture
09:04

Lens-free Video Microscopy for the Dynamic and Quantitative Analysis of Adherent Cell Culture

Published on: February 23, 2018

10.0K

Intelligent wavefront correction via self-supervised predictive Zernike phase inversion network.

Xinjie Zhang, Haoyu Zhang, Chaoxu Chen

    Optics Express
    |February 20, 2026
    PubMed
    Summary
    This summary is machine-generated.

    This study introduces a self-supervised predictive Zernike phase inversion network (SS-PZPIN) for optical turbulence correction. The novel method improves phase correction accuracy and fidelity in adaptive optics and free-space optical communication.

    More Related Videos

    Sample Drift Correction Following 4D Confocal Time-lapse Imaging
    10:04

    Sample Drift Correction Following 4D Confocal Time-lapse Imaging

    Published on: April 12, 2014

    17.0K
    Comparison of Agreement and Accuracy using Binocular Wavefront Optometer with Autorefractor and Phoropter
    05:14

    Comparison of Agreement and Accuracy using Binocular Wavefront Optometer with Autorefractor and Phoropter

    Published on: September 16, 2025

    640

    Related Experiment Videos

    Last Updated: Feb 21, 2026

    Lens-free Video Microscopy for the Dynamic and Quantitative Analysis of Adherent Cell Culture
    09:04

    Lens-free Video Microscopy for the Dynamic and Quantitative Analysis of Adherent Cell Culture

    Published on: February 23, 2018

    10.0K
    Sample Drift Correction Following 4D Confocal Time-lapse Imaging
    10:04

    Sample Drift Correction Following 4D Confocal Time-lapse Imaging

    Published on: April 12, 2014

    17.0K
    Comparison of Agreement and Accuracy using Binocular Wavefront Optometer with Autorefractor and Phoropter
    05:14

    Comparison of Agreement and Accuracy using Binocular Wavefront Optometer with Autorefractor and Phoropter

    Published on: September 16, 2025

    640

    Area of Science:

    • Optics and Photonics
    • Machine Learning
    • Optical Communication

    Background:

    • Dynamic atmospheric turbulence causes phase distortions challenging optical systems.
    • Conventional adaptive optics and supervised learning methods struggle with rapid, unpredictable phase variations.

    Purpose of the Study:

    • To develop a self-supervised learning framework for accurate wavefront correction.
    • To enable real-time compensation for atmospheric turbulence in optical systems.

    Main Methods:

    • Proposed a self-supervised predictive Zernike phase inversion network (SS-PZPIN).
    • Integrated dual-intensity Fresnel-consistent inversion and temporal prediction.
    • Employed a physics-informed learning framework without labeled phase data.

    Main Results:

    • Achieved over 25% improvement in phase correction accuracy under strong turbulence.
    • Maintained over 100% higher fidelity than the Gerchberg-Saxton algorithm with 2.5-5 ms delays.
    • Demonstrated fast inference time (2.67 ms) and strong generalization capabilities.

    Conclusions:

    • SS-PZPIN offers a scalable and interpretable solution for real-time adaptive optics.
    • The method enhances turbulence resilience in free-space optical communication systems.