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相关概念视频

Instrumentation Amplifier01:25

Instrumentation Amplifier

500
An electrocardiography (ECG) machine is an essential piece of medical equipment used to monitor the electrical activity of the heart. It operates by detecting small electrical changes on the skin that result from the depolarization of the heart muscle during each heartbeat. However, these signals are in the microvolt range and can be easily overwhelmed by noise or interference.
To overcome this challenge, an ECG machine utilizes an instrumentation amplifier. This specialized amplifier is...
500
Pulse rhythm01:30

Pulse rhythm

786
Pulse rhythm refers to the pattern of pulsations within specific intervals, offering valuable insights into the regularity or irregularity of the heart's beats as observed through the pattern of pulsation within specific intervals. A regular pulse exhibits a consistent heart rate with uniform waveforms and pulsation force, variations of which can be classified as normal, weak, or bounding.
Conversely, an irregular pulse pattern is termed dysrhythmia, stemming from disruptions in cardiac...
786
Electrocardiogram01:29

Electrocardiogram

2.3K
An electrocardiogram (ECG or EKG) is a critical diagnostic tool that records the electrical signals produced by the heart during each heartbeat. This recording is achieved through electrodes placed strategically on the arms, legs, and chest. The electrocardiograph amplifies these signals and produces 12 distinct tracings, offering a comprehensive understanding of the heart's electrical activity.
Three major waveforms are present in a typical ECG recording: the P wave, the QRS complex, and...
2.3K
Electrocardiogram Fundamentals01:28

Electrocardiogram Fundamentals

572
Introduction
An electrocardiogram (ECG) is a diagnostic tool for identifying cardiac conditions such as arrhythmias, conduction abnormalities, and myocardial ischemia.
Definition
An electrocardiogram (ECG) visualizes the heart's electrical activity by tracing the electrical movement associated with each heartbeat on a graph or monitor. As the heart beats, an electrical wave passes through it, correlating with the cardiac cycle events.
Parts of an ECG
An ECG utilizes electrodes on the skin...
572

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相关实验视频

Updated: Jun 26, 2025

Surgical Implant Procedure and Wiring Configuration for Continuous Long-Term EEG/ECG Monitoring in Rabbits
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使用可取消的ECG识别来保护医疗物联网网络的安全.

Samia A El-Moneim Kabel1, Ghada M El-Banby2, Lamiaa A Abou Elazm3

  • 1Tanta High Institute of Engineering and Technology (THIET), Tanta, Egypt.

Scientific reports
|May 13, 2024
PubMed
概括

这项研究引入了一种新的框架,用于使用心电图 (ECG) 生物识别来保护医疗物联网 (IoMT) 网络. 该系统采用可取消的模板,从ECG信号中获得,增强了对未经授权访问和数据泄露的安全性.

关键词:
可取消的生物识别数据电动心电图信号 电动心电图信号一个小小的东西.信号分离 信号分离

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科学领域:

  • 生物识别和网络安全
  • 信号处理和机器学习

背景情况:

  • 医疗物联网 (IoMT) 网络需要强大的安全性来传输敏感的患者数据.
  • 生物识别认证,特别是使用心电图 (ECG) 信号,为安全访问提供了一个有希望的解决方案.
  • 保护生物识别模板免受损害至关重要,这导致需要可取消生物识别系统.

研究的目的:

  • 为基于ECG的识别制定一个全面的框架,并为IoMT网络访问提供可取消模板.
  • 引入一种创新的方法来进行非可逆的ECG信号修改,使用盲信号分离和轻量级加密.
  • 通过使生物识别模板在受到损害时被改变来增强安全性.

主要方法:

  • 利用盲信号分离,通过最小化与辅助音频信号的相关性来创建ECG信号的扭曲,非可逆版本.
  • 应用轻量级加密阶段,使用特定用户模式和XOR操作对扭曲的ECG信号进行生成可取消模板.
  • 实施了混合安全模型,将不可逆转换和轻量级加密相结合,以提高安全性和减少处理负担.

主要成果:

  • 拟议的框架在ECG-ID和MIT-BIH数据集上表现出高效.
  • 在ECG-ID数据集上达到0.134的等错率 (EER),在MIT-BIH数据集上达到0.4.
  • 获得了两个数据集的收发器运行特征曲线 (AROC) 下面面积为99.96%,表明了出色的性能.

结论:

  • 开发的框架有效地使用可取消的ECG生物识别来保护IoMT网络.
  • 非可逆转换和轻量级加密的混合方法提供了强大而高效的安全解决方案.
  • 这些有前途的实验结果突显了这个框架在现实世界IoMT安全应用中的潜力.