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 Experiment Videos

Reduction of Walsh-transformed electrocardiograms by double logarithmic coding.

E Berti1, F Chiaraluce, N E Evans

  • 1General Impianti, Moie di Maiolati, AN, Italy.

IEEE Transactions on Bio-Medical Engineering
|November 15, 2000
PubMed
Summary

This study introduces an electrocardiogram (ECG) data reduction technique using Walsh spectrum double logarithmic quantization. The method achieved an 87% success rate in compressing normal and abnormal ECG signals with high fidelity.

Related Concept Videos

You might also read

Related Articles

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

Sort by
Same author

Precision Spectral Measurements of Chromium and Titanium from 10 to 250  GeV/n and Sub-Iron to Iron Ratio with the Calorimetric Electron Telescope on the International Space Station.

Physical review letters·2025
Same author

Classifications of cutaneous lymphomas and lymphoproliferative disorders: An update from the EORTC cutaneous lymphoma histopathology group.

Journal of the European Academy of Dermatology and Venereology : JEADV·2024
Same author

The unexpected guest: Cytotoxic, pseudolymphoma-like reaction at the site of primary cutaneous follicle centre B-cell lymphoma in a patient receiving secukinumab for psoriasis.

Journal of the European Academy of Dermatology and Venereology : JEADV·2024
Same author

Clinicopathological definition, management and prognostic value of mogamulizumab-associated rash and other cutaneous events: A systematic review.

Journal of the European Academy of Dermatology and Venereology : JEADV·2024
Same author

Direct Measurement of the Spectral Structure of Cosmic-Ray Electrons+Positrons in the TeV Region with CALET on the International Space Station.

Physical review letters·2023
Same author

Erratum: Charge-Sign Dependent Cosmic-Ray Modulation Observed with the Calorimetric Electron Telescope on the International Space Station [Phys. Rev. Lett. 130, 211001 (2023)].

Physical review letters·2023

Area of Science:

  • Biomedical Engineering
  • Signal Processing
  • Data Compression

Background:

  • Electrocardiogram (ECG) signals are crucial for diagnosing heart conditions.
  • Efficient data reduction methods are needed for storing and transmitting large ECG datasets.
  • Existing compression techniques may compromise signal integrity.

Purpose of the Study:

  • To develop and validate a novel ECG data reduction method.
  • To assess the compression efficiency and accuracy of the proposed technique.
  • To evaluate the method's performance on real-world arrhythmia data.

Main Methods:

  • Utilized Walsh spectrum double logarithmic quantization for ECG data reduction.
  • Theoretically justified the method using simulated ECG data.

Related Experiment Videos

  • Practically validated the technique on the MIT/BIH arrhythmia database.

    • Main Results:

    • Achieved a "good" compression (MSE <= 0.005) for 1:1 spectral reduction.
    • Demonstrated an 87% success rate for compressing a mix of normal and abnormal ECG waveforms.
    • Effective compression was achieved using 8- to 11-bit resolution.

    Conclusions:

    • The Walsh spectrum double logarithmic quantization method offers an effective approach for ECG data reduction.
    • The technique successfully balances compression rates with signal fidelity.
    • This method shows promise for practical applications in ECG data management.