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

Line Protection with Impedance Relays01:27

Line Protection with Impedance Relays

528
Coordinating time-delay overcurrent relays in complex radial systems and directional overcurrent relays in multi-source transmission loops can be challenging. Impedance relays address these issues by responding to the voltage-to-current ratio, specifically measuring the apparent impedance of a line. These relays become more sensitive during faults as current increases and voltage decreases, thereby reducing the apparent impedance.
Under normal conditions, low load currents keep the measured...
528

You might also read

Related Articles

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

Sort by
Same author

Recent progress on the factorization method for electrical impedance tomography.

Computational and mathematical methods in medicine·2013
Same author

Factorization method and its physical justification in frequency-difference electrical impedance tomography.

IEEE transactions on medical imaging·2010
Same journal

MUST: Multi-style virtual staining with incomplete pairs.

IEEE transactions on medical imaging·2026
Same journal

BrainCL: Transformer-Based Brain Network Contrastive Learning with Multi-Order Topology and Salience Masking.

IEEE transactions on medical imaging·2026
Same journal

LLM-enhanced Neuron Segmentation and Reconstruction in Complex Mouse Brain Images.

IEEE transactions on medical imaging·2026
Same journal

Matrixed-Spectrum Decomposition Accelerated Linear Boltzmann Transport Equation Solver for Fast Scatter Correction in Multi-Spectral CT.

IEEE transactions on medical imaging·2026
Same journal

The Ritz Adjoint Method for MRI Pulse Design.

IEEE transactions on medical imaging·2026
Same journal

Physiology-guided Self-supervised Learning for Simultaneous Dual-Tracer PET Separation.

IEEE transactions on medical imaging·2026
See all related articles

Related Experiment Video

Updated: Apr 17, 2026

Monitoring Lung Function with Electrical Impedance Tomography in the Intensive Care Unit
05:56

Monitoring Lung Function with Electrical Impedance Tomography in the Intensive Care Unit

Published on: September 6, 2024

7.5K

Resolution Guarantees in Electrical Impedance Tomography.

Bastian Harrach, Marcel Ullrich

    IEEE Transactions on Medical Imaging
    |February 21, 2015
    PubMed
    Summary
    This summary is machine-generated.

    Electrical impedance tomography (EIT) can achieve reliable resolution guarantees despite measurement errors. This research provides a criterion for determining if a desired resolution is achievable in EIT setups.

    More Related Videos

    Imaging Replicative Domains in Ultrastructurally Preserved Chromatin by Electron Tomography
    14:56

    Imaging Replicative Domains in Ultrastructurally Preserved Chromatin by Electron Tomography

    Published on: May 20, 2022

    4.3K
    Author Spotlight: Using Hyperpolarized Xenon-129 MRI to Study Lung Diseases
    09:55

    Author Spotlight: Using Hyperpolarized Xenon-129 MRI to Study Lung Diseases

    Published on: January 5, 2024

    2.0K

    Related Experiment Videos

    Last Updated: Apr 17, 2026

    Monitoring Lung Function with Electrical Impedance Tomography in the Intensive Care Unit
    05:56

    Monitoring Lung Function with Electrical Impedance Tomography in the Intensive Care Unit

    Published on: September 6, 2024

    7.5K
    Imaging Replicative Domains in Ultrastructurally Preserved Chromatin by Electron Tomography
    14:56

    Imaging Replicative Domains in Ultrastructurally Preserved Chromatin by Electron Tomography

    Published on: May 20, 2022

    4.3K
    Author Spotlight: Using Hyperpolarized Xenon-129 MRI to Study Lung Diseases
    09:55

    Author Spotlight: Using Hyperpolarized Xenon-129 MRI to Study Lung Diseases

    Published on: January 5, 2024

    2.0K

    Area of Science:

    • Medical imaging
    • Non-destructive testing
    • Electrical Engineering

    Background:

    • Electrical impedance tomography (EIT) is a promising imaging technique using surface current-voltage data to detect conductivity changes.
    • EIT's reliability is often compromised by sensitivity to modeling and measurement errors.
    • Existing EIT applications face challenges in consistent performance due to uncertainties.

    Purpose of the Study:

    • To demonstrate the principal possibility of rigorous resolution guarantees in EIT.
    • To develop a criterion for assessing achievable resolution in EIT measurement setups.
    • To address EIT's limitations caused by systematic and random measurement errors.

    Main Methods:

    • Derivation of a constructive criterion for resolution guarantees.
    • Analysis of EIT performance under imprecise background conductivity and electrode contact impedances.
    • Consideration of noisy measurements with a known minimal contrast for anomalies.

    Main Results:

    • Established that rigorous resolution guarantees are principally possible in EIT, even with errors.
    • Developed a criterion to evaluate the feasibility of achieving desired resolution.
    • Quantified performance under specific conditions of uncertainty and noise.

    Conclusions:

    • EIT can achieve reliable resolution guarantees, enhancing its applicability.
    • The derived criterion aids in designing and optimizing EIT measurement setups.
    • This work provides a foundation for new EIT applications and improved system design.