AIMC Topic: Wavelet Analysis

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Obstructive sleep apnea prediction from electrocardiogram scalograms and spectrograms using convolutional neural networks.

Physiological measurement Jun 29, 2021
In this study, we conducted a comparative analysis of deep convolutional neural network (CNN) models in predicting obstructive sleep apnea (OSA) using electrocardiograms. Unlike other studies in the literature, this study automatically extracts time-...
Electrocardiography Sleep Apnea, Obstructive Wavelet Analysis Humans Neural Networks, Computer
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A spectrogram image based intelligent technique for automatic detection of autism spectrum disorder from EEG.

PloS one Jun 25, 2021
Autism spectrum disorder (ASD) is a developmental disability characterized by persistent impairments in social interaction, speech and nonverbal communication, and restricted or repetitive behaviors. Currently Electroencephalography (EEG) is the most...
Female Wavelet Analysis Support Vector Machine Young Adult Adolescent Electroencephalography Machine Learning Adult Child Intelligence Algorithms Male Humans Autism Spectrum Disorder Diagnosis, Computer-Assisted Neural Networks, Computer
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Multispectral co-occurrence of wavelet coefficients for malignancy assessment of brain tumors.

PloS one Jun 17, 2021
Brain tumor is not most common, but truculent type of cancer. Therefore, correct prediction of its aggressiveness nature at an early stage would influence the treatment strategy. Although several diagnostic methods based on different modalities exist...
Female Brain Neoplasms Male Humans Algorithms Image Interpretation, Computer-Assisted Wavelet Analysis Support Vector Machine Magnetic Resonance Imaging
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Eye-Movement-Controlled Wheelchair Based on Flexible Hydrogel Biosensor and WT-SVM.

Biosensors Jun 16, 2021
To assist patients with restricted mobility to control wheelchair freely, this paper presents an eye-movement-controlled wheelchair prototype based on a flexible hydrogel biosensor and Wavelet Transform-Support Vector Machine (WT-SVM) algorithm. Cons...
Hydrogels Wavelet Analysis Electrooculography Signal Processing, Computer-Assisted Electrodes Wheelchairs Algorithms Eye Movements Biosensing Techniques Humans Support Vector Machine Electroencephalography
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Signal-piloted processing and machine learning based efficient power quality disturbances recognition.

PloS one May 28, 2021
Significant losses can occur for various smart grid stake holders due to the Power Quality Disturbances (PQDs). Therefore, it is necessary to correctly recognize and timely mitigate the PQDs. In this context, an emerging trend is the development of m...
Neural Networks, Computer Machine Learning Algorithms Support Vector Machine Bayes Theorem Humans Signal Processing, Computer-Assisted Wavelet Analysis
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AQI time series prediction based on a hybrid data decomposition and echo state networks.

Environmental science and pollution research international May 12, 2021
A hybrid AQI time series prediction model is proposed based on EWT-SE-VMD secondary decomposition, ICA (imperialist competitive algorithm) feature selection, and ESN (echo state network) neural network. Firstly, EWT (empirical wavelet transform) and ...
Neural Networks, Computer Algorithms Forecasting Beijing Wavelet Analysis
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Detection of k-complexes in EEG signals using a multi-domain feature extraction coupled with a least square support vector machine classifier.

Neuroscience research May 11, 2021
Sleep scoring is one of the primary tasks for the classification of sleep stages using electroencephalogram (EEG) signals. It is one of the most important diagnostic methods in sleep research and must be carried out with a high degree of accuracy bec...
Algorithms Support Vector Machine Least-Squares Analysis Humans Wavelet Analysis Electroencephalography Sleep Stages Signal Processing, Computer-Assisted
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ECG Heartbeat Classification Based on an Improved ResNet-18 Model.

Computational and mathematical methods in medicine Apr 30, 2021
Based on a convolutional neural network (CNN) approach, this article proposes an improved ResNet-18 model for heartbeat classification of electrocardiogram (ECG) signals through appropriate model training and parameter adjustment. Due to the unique r...
Models, Cardiovascular Signal-To-Noise Ratio Wavelet Analysis Databases, Factual Humans Computational Biology Signal Processing, Computer-Assisted Neural Networks, Computer Electrocardiography Arrhythmias, Cardiac Algorithms Heart Rate
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Research on nondestructive identification of grape varieties based on EEMD-DWT and hyperspectral image.

Journal of food science Apr 22, 2021
Grape varieties are directly related to the quality and sales price of table grapes and consumed products (raisin, wine, grape juice, etc.). To satisfy the identification requirements of rapid, accurate, and nondestructive detection, an improved deno...
Image Processing, Computer-Assisted Support Vector Machine Vitis Wavelet Analysis Machine Learning Algorithms
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An innovative coupled model in view of wavelet transform for predicting short-term PM10 concentration.

Journal of environmental management Apr 16, 2021
Wavelet transform (WT) is an advanced preprocessing technique, which has been widely used in PM 10 prediction. However, this technique cannot provide stable performance due to the empirical selection of wavelet's layers. For fixing the optimal wavele...
Forecasting Wavelet Analysis Neural Networks, Computer
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