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In recent years, neural network approaches have shown superior performance to conventional hand-made features in numerous application areas. In particular, convolutional neural networks (ConvNets) exploit spatially local correlations across…

Sound · Computer Science 2016-07-11 Yoonchang Han , Kyogu Lee

The present work proposes a computer-aided normal and abnormal heart sound identification based on Discrete Wavelet Transform (DWT), it being useful for tele-diagnosis of heart diseases. Due to the presence of Cumulative Frequency…

Computer Vision and Pattern Recognition · Computer Science 2012-09-11 Nilanjan Dey , Achintya Das , Sheli Sinha Chaudhuri

Cardiovascular system diseases can be identified by using a specialized diagnostic process utilizing a digital stethoscope. Digital stethoscopes provide phonocardiography (PCG) recordings for further inspection, besides filtering and…

Signal Processing · Electrical Eng. & Systems 2024-02-21 Ibrahim Ozkan , Atila Yilmaz

Accurate cardiac ultrasound segmentation is essential for reliable assessment of ventricular function in intelligent healthcare systems. However, echocardiographic images are challenging due to low contrast, speckle noise, irregular…

Computer Vision and Pattern Recognition · Computer Science 2026-03-31 Zahid Ullah , Sieun Choi , Jihie Kim

Remote patient monitoring based on wearable single-lead electrocardiogram (ECG) devices has significant potential for enabling the early detection of heart disease, especially in combination with artificial intelligence (AI) approaches for…

Signal Processing · Electrical Eng. & Systems 2024-04-30 Aruna Mohan , Danne Elbers , Or Zilbershot , Fatemeh Afghah , David Vorchheimer

In primary diagnosis and analysis of heart defects, an ECG signal plays a significant role. This paper presents a model for the prediction of ventricular tachycardia arrhythmia using noise filtering, a unique set of ECG features, and a…

Signal Processing · Electrical Eng. & Systems 2021-12-28 Pampa Howladar , Manodipan Sahoo

Deep learning models for atrial fibrillation (AF) detection are increasingly trained on heterogeneous electrocardiogram (ECG) datasets with varying sampling frequencies, yet the specific consequences of these discrepancies on model…

Neurodivergent people frequently experience decreased sound tolerance, with estimates suggesting it affects 50-70% of this population. This heightened sensitivity can provoke reactions ranging from mild discomfort to severe distress,…

Audio and Speech Processing · Electrical Eng. & Systems 2025-09-15 Alexander Popescu , Rosie Frost , Milos Cernak

Automated cardiac interpretation in resource-constrained settings (RCS) is often hindered by poor-quality echocardiographic imaging, limiting the effectiveness of downstream diagnostic models. While super-resolution (SR) techniques have…

Computer Vision and Pattern Recognition · Computer Science 2025-08-01 Krishan Agyakari Raja Babu , Om Prabhu , Annu , Mohanasankar Sivaprakasam

Many applications of speech technology require more and more audio data. Automatic assessment of the quality of the collected recordings is important to ensure they meet the requirements of the related applications. However, effective and…

Audio and Speech Processing · Electrical Eng. & Systems 2020-05-19 Qiang Huang , Thomas Hain

Automatic dysarthric speech detection can provide reliable and cost-effective computer-aided tools to assist the clinical diagnosis and management of dysarthria. In this paper we propose a novel automatic dysarthric speech detection…

Audio and Speech Processing · Electrical Eng. & Systems 2021-06-01 P. Janbakhshi , I. Kodrasi , H. Bourlard

Detecting bird sounds in audio recordings automatically, if accurate enough, is expected to be of great help to the research community working in bio- and ecoacoustics, interested in monitoring biodiversity based on audio field recordings.…

Sound · Computer Science 2018-07-10 Thomas Pellegrini

This study proposes an efficient neural network with convolutional layers to classify significantly class-imbalanced clinical data. The data are curated from the National Health and Nutritional Examination Survey (NHANES) with the goal of…

Quantitative Methods · Quantitative Biology 2020-04-24 Aniruddha Dutta , Tamal Batabyal , Meheli Basu , Scott T. Acton

Identification of bird species from audio records is one of the challenging tasks due to the existence of multiple species in the same recording, noise in the background, and long-term recording. Besides, choosing a proper acoustic feature…

Sound · Computer Science 2022-01-04 Nahian Ibn Hasan

Unsupervised Anomalous Sound Detection (ASD) aims to design a generalizable method that can be used to detect anomalies when only normal sounds are given. In this paper, Anomalous Sound Detection based on Diffusion Models (ASD-Diffusion) is…

Sound · Computer Science 2024-09-25 Fengrun Zhang , Xiang Xie , Kai Guo

We present a model for predicting electrocardiogram (ECG) abnormalities in short-duration 12-lead ECG signals which outperformed medical doctors on the 4th year of their cardiology residency. Such exams can provide a full evaluation of…

Evaluating canine electrocardiograms (ECGs) is challenging due to noise that can obscure clinically relevant cardiac electrical activity. Common sources of interference include respiration, muscle activity, poor lead contact, and external…

Machine Learning · Computer Science 2026-05-19 Jeff Breeding-Allison , Emil Walleser

Aim: The George B. Moody PhysioNet Challenge 2022 raised problems of heart murmur detection and related abnormal cardiac function identification from phonocardiograms (PCGs). This work describes the novel approaches developed by our team,…

Machine Learning · Computer Science 2023-03-07 Hao Wen , Jingsu Kang

Cardiac arrhythmia is a prevalent and significant cause of morbidity and mortality among cardiac ailments. Early diagnosis is crucial in providing intervention for patients suffering from cardiac arrhythmia. Traditionally, diagnosis is…

Signal Processing · Electrical Eng. & Systems 2020-04-14 Sricharan Vijayarangan , Balamurali Murugesan , Vignesh R , Preejith SP , Jayaraj Joseph , Mohansankar Sivaprakasam

Electrocardiogram (ECG) is the most widely used diagnostic tool to monitor the condition of the cardiovascular system. Deep neural networks (DNNs), have been developed in many research labs for automatic interpretation of ECG signals to…

Signal Processing · Electrical Eng. & Systems 2020-12-02 Linhai Ma , Liang Liang