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

A QRS Complex Detection Algorithm Based on Mathematical Morphology and Envelope.

Yongli Chen1, Huilong Duan

  • 1Coll. of Biomed. Eng. & Instrum. Sci., Zhejiang Univ., Hangzhou.

Conference Proceedings : ... Annual International Conference of the IEEE Engineering in Medicine and Biology Society. IEEE Engineering in Medicine and Biology Society. Annual Conference
|February 7, 2007
PubMed
Summary
This summary is machine-generated.

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

DCBM-Tri: a dual-channel bilinear mapping triplet model for early recognition of acute kidney injury in imbalanced cohorts.

Scientific reports·2026
Same author

SOX9, the Master Regulator of Lung Cancer, and a Therapeutic Approach.

Journal of biochemical and molecular toxicology·2026
Same author

Effectiveness of transarterial drug-loaded microsphere chemoembolization against cholangiocarcinoma combined with obstructive jaundice.

BMC cancer·2026
Same author

Long-text caption generation for surgical image with a concept retrieval augmented large multimodal model.

PloS one·2026
Same author

Redox-active microneedles for disease management.

Journal of controlled release : official journal of the Controlled Release Society·2026
Same author

Evaluation and application of electrocardiographic age model for children.

Scientific reports·2026
Same journal

Highly Articulated Robotic Probe for Minimally Invasive Surgery.

Conference proceedings : ... Annual International Conference of the IEEE Engineering in Medicine and Biology Society. IEEE Engineering in Medicine and Biology Society. Annual Conference·2010
Same journal

Combined peripheral and cortical neural stimulation in motor neurorehabilitation.

Conference proceedings : ... Annual International Conference of the IEEE Engineering in Medicine and Biology Society. IEEE Engineering in Medicine and Biology Society. Annual Conference·2008
Same journal

Embedded assessment algorithms within home-based cognitive computer game exercises for elders.

Conference proceedings : ... Annual International Conference of the IEEE Engineering in Medicine and Biology Society. IEEE Engineering in Medicine and Biology Society. Annual Conference·2008
Same journal

Digital signal processing of the wideband external pulse recorded during cuff deflation: a new way to measure blood pressure.

Conference proceedings : ... Annual International Conference of the IEEE Engineering in Medicine and Biology Society. IEEE Engineering in Medicine and Biology Society. Annual Conference·2008
Same journal

Immune cells detection of the in vivo rejecting heart in USPIO-enhanced magnetic resonance imaging.

Conference proceedings : ... Annual International Conference of the IEEE Engineering in Medicine and Biology Society. IEEE Engineering in Medicine and Biology Society. Annual Conference·2008
Same journal

wHospital: a web-based application with digital signature for drugs dispensing management.

Conference proceedings : ... Annual International Conference of the IEEE Engineering in Medicine and Biology Society. IEEE Engineering in Medicine and Biology Society. Annual Conference·2007
See all related articles

This study introduces a fast and accurate algorithm for detecting the QRS complex in electrocardiogram (ECG) signals using mathematical morphology and envelope extraction. The novel method achieves a high detection rate, crucial for reliable ECG analysis.

Area of Science:

  • Biomedical Engineering
  • Signal Processing
  • Cardiovascular Diagnostics

Background:

  • Accurate QRS complex detection is fundamental for interpreting electrocardiogram (ECG) signals.
  • Existing methods may face challenges with signal noise and baseline wander.
  • Efficient and precise QRS detection is vital for automated cardiac health monitoring.

Purpose of the Study:

  • To develop and evaluate a novel algorithm for QRS complex detection in ECG signals.
  • To improve the accuracy and speed of QRS detection using mathematical morphology and envelope extraction.
  • To validate the algorithm's performance against a standard clinical database.

Main Methods:

  • ECG signal preprocessing using mathematical morphology to eliminate baseline wander.

Related Experiment Videos

  • Envelope extraction via low-pass filtering to enhance signal-to-noise ratio.
  • Performance evaluation using the MIT-BIH arrhythmia database.

    • Main Results:

    • The proposed algorithm demonstrated a high QRS detection rate of 99.79%.
    • The method achieved significant processing speed, indicating efficiency.
    • Effective removal of baseline wander and noise improved signal quality.

    Conclusions:

    • The developed algorithm offers a robust and efficient solution for QRS complex detection.
    • Mathematical morphology and envelope extraction provide a powerful approach for ECG signal analysis.
    • This technique holds promise for improving automated ECG interpretation and cardiac diagnostics.