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Showing 1-20 of 2,073 results
  1. Wavelet transform and deep learning-based obstructive sleep apnea detection from single-lead ECG signals

    Sleep apnea is a common sleep disorder. Traditional testing and diagnosis heavily rely on the expertise of physicians, as well as analysis and...

    Yuxing Lin, Hongyi Zhang, ... Juqiang Lin in Physical and Engineering Sciences in Medicine
    Article 20 November 2023
  2. Heartbeat detector from ECG and PPG signals based on wavelet transform and upper envelopes

    The analysis of cardiac activity is one of the most common elements for evaluating the state of a subject, either to control possible health risks,...

    Manuel Merino-Monge, Juan Antonio Castro-García, ... Alberto Jesús Molina-Cantero in Physical and Engineering Sciences in Medicine
    Article Open access 06 March 2023
  3. Coarse-graining and the Haar wavelet transform for multiscale analysis

    Background

    Multiscale entropy (MSE) has become increasingly common as a quantitative tool for analysis of physiological signals. The MSE computation...

    William J. Bosl, Tobias Loddenkemper, Solveig Vieluf in Bioelectronic Medicine
    Article Open access 02 February 2022
  4. Dynamic PET images denoising using spectral graph wavelet transform

    Abstract

    Positron emission tomography (PET) is a non-invasive molecular imaging method for quantitative observation of physiological and biochemical...

    Liqun Yi, Yuxia Sheng, ... **gxin Zhang in Medical & Biological Engineering & Computing
    Article 03 November 2022
  5. Identification of Methamphetamine Abusers Can Be Supported by EEG-Based Wavelet Transform and BiLSTM Networks

    Methamphetamine (MA) is a neurological drug, which is harmful to the overall brain cognitive function when abused. Based on this property of MA,...

    Hui Zhou, Jiaqi Zhang, ... Shuguang Wei in Brain Topography
    Article Open access 02 July 2024
  6. Independent Detection of T-Waves in Single Lead ECG Signal Using Continuous Wavelet Transform

    Introduction

    In the ECG signals, T-waves play a very important role in the detection of cardiac arrest. During myocardial ischemia, the first...

    Pooja Sabherwal, Monika Agrawal, Latika Singh in Cardiovascular Engineering and Technology
    Article 26 September 2022
  7. Basis pursuit sparse decomposition using tunable-Q wavelet transform (BPSD-TQWT) for denoising of electrocardiograms

    The electrocardiogram (ECG) is an essential diagnostic tool to identify cardiac abnormalities. So, the primary issue in an ECG acquisition unit is...

    Avvaru Srinivasulu, N. Sriraam in Physical and Engineering Sciences in Medicine
    Article 30 June 2022
  8. Single-trial extraction of event-related potentials (ERPs) and classification of visual stimuli by ensemble use of discrete wavelet transform with Huffman coding and machine learning techniques

    Background

    Presentation of visual stimuli can induce changes in EEG signals that are typically detectable by averaging together data from multiple...

    Hafeez Ullah Amin, Rafi Ullah, ... Aamir Saeed Malik in Journal of NeuroEngineering and Rehabilitation
    Article Open access 02 June 2023
  9. Wavelet Based Filters for Artifact Elimination in Electroencephalography Signal: A Review

    Electroencephalography (EEG) is a diagnostic test that records and measures the electrical activity of the human brain. Research investigating human...

    Syarifah Noor Syakiylla Sayed Daud, Rubita Sudirman in Annals of Biomedical Engineering
    Article 22 August 2022
  10. Migraine detection from EEG signals using tunable Q-factor wavelet transform and ensemble learning techniques

    Migraine is one of the major neurovascular diseases that recur, can persist for a long time, cripple or weaken the brain. This study uses...

    Article 10 September 2021
  11. Topical Analysis of the State of the Major Human Body Systems by Wavelet Introscopy

    We report here studies of the important connection between the state of body systems and their organization as self-similar fractal structures....

    G. M. Aldonin, V. V. Cherepanov in Biomedical Engineering
    Article 31 August 2023
  12. Epileptic-seizure onset detection using PARAFAC model with cross-wavelet transformation on multi-channel EEG

    Finding components from multi-channel EEG signal for localizing and detection of onset of seizure, is a new approach in biomedical signal analysis....

    Arijit Ghosh, Purbanka Pahari, ... Anasua Sarkar in Physical and Engineering Sciences in Medicine
    Article 16 May 2022
  13. Methodology for Detecting the Mental Activity of the Brain by Wavelet Analysis of the Electroencephalogram

    This report lays out materials of the plenary report on the discovery of the mechanisms of mental activity of the human brain based on continuous...

    E. A. Yumatov in Biomedical Engineering
    Article 11 January 2023
  14. A Q-transform-based deep learning model for the classification of atrial fibrillation types

    According to the World Health Organization (WHO), Atrial Fibrillation (AF) is emerging as a global epidemic, which has resulted in a need for...

    B. Dhananjay, R. Pradeep Kumar, ... J. Sivaraman in Physical and Engineering Sciences in Medicine
    Article 14 February 2024
  15. Haar wavelet transform–based optimal Bayesian method for medical image fusion

    Image fusion (IF) attracts the researchers in the areas of the medical industry as valuable information could be afforded through the fusion of...

    Jayant Bhardwaj, Abhijit Nayak in Medical & Biological Engineering & Computing
    Article 30 July 2020
  16. Detection of focal and non-focal EEG signals using non-linear features derived from empirical wavelet transform rhythms

    Surgery is recommended for epilepsy diagnosis in cases where patients do not respond well to anti-epilepsy medications. Successful surgery is...

    Hesam Akbari, Muhammad Tariq Sadiq in Physical and Engineering Sciences in Medicine
    Article 08 January 2021
  17. Wavelet-Based Bracketing, Time–Frequency Beta Burst Detection: New Insights in Parkinson’s Disease

    Studies have shown that beta band activity is not tonically elevated but comprises exaggerated phasic bursts of varying durations and magnitudes, for...

    Tanmoy Sil, Ibrahem Hanafi, ... Robert Peach in Neurotherapeutics
    Article Open access 11 October 2023
  18. An Adaptive Method for Correction of the ECG Signal Baseline Drift Using Multiresolution Wavelet Transforms

    Different approaches to correction of the ECG signal baseline drift are compared. A new adaptive method for correction of the baseline drift is...

    A. A. Fedotov in Biomedical Engineering
    Article 07 March 2022
  19. Wavelet Analysis

    Reference work entry 2022
  20. Classification of heart sounds based on the combination of the modified frequency wavelet transform and convolutional neural network

    We purpose a novel method that combines modified frequency slice wavelet transform (MFSWT) and convolutional neural network (CNN) for classifying...

    Yongchao Chen, Shoushui Wei, Yatao Zhang in Medical & Biological Engineering & Computing
    Article 07 July 2020
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