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Coronary artery disease (CAD) is a leading cause of cardiovascular-related mortality, and accurate stenosis detection is crucial for effective clinical decision-making. Coronary angiography remains the gold standard for diagnosing CAD, but…

Image and Video Processing · Electrical Eng. & Systems 2025-03-25 Baixiang Huang , Yu Luo , Guangyu Wei , Songyan He , Yushuang Shao , Xueying Zeng

Cardiac magnetic resonance (CMR) is used extensively in the diagnosis and management of cardiovascular disease. Deep learning methods have proven to deliver segmentation results comparable to human experts in CMR imaging, but there have…

Computer Vision and Pattern Recognition · Computer Science 2018-10-25 Gerard Snaauw , Dong Gong , Gabriel Maicas , Anton van den Hengel , Wiro J. Niessen , Johan Verjans , Gustavo Carneiro

Cardiovascular diseases (CVDs) are the leading cause of death worldwide, accounting for approximately 17.9 million deaths each year. Early detection is critical, creating a demand for accurate and inexpensive pre-screening methods. Deep…

Sound · Computer Science 2025-12-09 Milan Marocchi , Matthew Fynn , Kayapanda Mandana , Yue Rong

The proposed system consists of a two-stage cascade. The first stage performs a rough heartbeat detection while the second stage refines the previous one, improving the temporal localization and also classifying the heartbeats into types S1…

Audio and Speech Processing · Electrical Eng. & Systems 2024-11-06 J. Torre-Cruz , D. Martinez-Munoz , N. Ruiz-Reyes , A. J. Munoz-Montoro , M. Puentes-Chiachio , F. J. Canadas-Quesada

Medical image analysis, especially segmenting a specific organ, has an important role in developing clinical decision support systems. In cardiac magnetic resonance (MR) imaging, segmenting the left and right ventricles helps physicians…

Computer Vision and Pattern Recognition · Computer Science 2018-02-23 Mina Nasr-Esfahani , Majid Mohrekesh , Mojtaba Akbari , S. M. Reza Soroushmehr , Ebrahim Nasr-Esfahani , Nader Karimi , Shadrokh Samavi , Kayvan Najarian

The traditional method of diagnosing heart disease on ECG signal is artificial observation. Some have tried to combine expertise and signal processing to classify ECG signal by heart disease type. However, the currency is not so sufficient…

Signal Processing · Electrical Eng. & Systems 2019-10-29 Jie Zhang , Bohao Li , Kexin Xiang , Xuegang Shi

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

We present algorithms for the detection of a class of heart arrhythmias with the goal of eventual adoption by practicing cardiologists. In clinical practice, detection is based on a small number of meaningful features extracted from the…

Machine Learning · Statistics 2016-07-14 Choudur Lakshminarayan , Tony Basil

Objective: Murmurs are abnormal heart sounds, identified by experts through cardiac auscultation. The murmur grade, a quantitative measure of the murmur intensity, is strongly correlated with the patient's clinical condition. This work aims…

Respiratory diseases remain major global health challenges, and traditional auscultation is often limited by subjectivity, environmental noise, and inter-clinician variability. This study presents an explainable multimodal deep learning…

Sound · Computer Science 2025-12-02 S M Asiful Islam Saky , Md Rashidul Islam , Md Saiful Arefin , Shahaba Alam

In this work, a novel stack of well-known technologies is presented to determine an automatic method to segment the heart sounds in a phonocardiogram (PCG). We will show a deep recurrent neural network (DRNN) capable of segmenting a PCG…

Audio and Speech Processing · Electrical Eng. & Systems 2022-02-17 Alvaro Joaquín Gaona , Pedro David Arini

Objectives: With the technological advancements in the field of tele-health monitoring, it is now possible to gather huge amounts of electro-physiological signals such as electrocardiogram (ECG). It is therefore necessary to develop…

Machine Learning · Computer Science 2020-05-19 Abdolrahman Peimankar , Sadasivan Puthusserypady

Segmentation and measurement of cardiac chambers is critical in cardiac ultrasound but is laborious and poorly reproducible. Neural networks can assist, but supervised approaches require the same laborious manual annotations. We built a…

Image and Video Processing · Electrical Eng. & Systems 2026-02-24 Danielle L. Ferreira , Connor Lau , Zaynaf Salaymang , Rima Arnaout

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

Objective: This paper considers challenges in developing algorithms for accurate segmentation and classification of heart sound (HS) signals. Methods: We propose an approach based on Markov switching autoregressive model (MSAR) to…

Signal Processing · Electrical Eng. & Systems 2020-04-27 Fuad Noman , Sh-Hussain Salleh , Chee-Ming Ting , S. Balqis Samdin , Hernando Ombao , Hadri Hussain

Cardiovascular diseases (CVDs) remain the leading cause of mortality worldwide, yet early risk detection is often limited by available diagnostics. Carotid ultrasound, a non-invasive and widely accessible modality, encodes rich structural…

Cardiac Magnetic Resonance imaging (CMR) is the gold standard for assessing cardiac function. Segmenting the left ventricle (LV), right ventricle (RV), and LV myocardium (MYO) in CMR images is crucial but time-consuming. Deep learning-based…

Image and Video Processing · Electrical Eng. & Systems 2023-09-06 Zihao Chen , Xiao Chen , Yikang Liu , Eric Z. Chen , Terrence Chen , Shanhui Sun

Segmentation of the left ventricle (LV) from cardiac magnetic resonance imaging (MRI) datasets is an essential step for calculation of clinical indices such as ventricular volume and ejection fraction. In this work, we employ deep learning…

Computer Vision and Pattern Recognition · Computer Science 2015-12-29 M. R. Avendi , A. Kheradvar , H. Jafarkhani

In this work, we propose an ensemble of classifiers to distinguish between various degrees of abnormalities of the heart using Phonocardiogram (PCG) signals acquired using digital stethoscopes in a clinical setting, for the INTERSPEECH 2018…

Computer Vision and Pattern Recognition · Computer Science 2019-04-30 Ahmed Imtiaz Humayun , Md. Tauhiduzzaman Khan , Shabnam Ghaffarzadegan , Zhe Feng , Taufiq Hasan

This paper proposes a framework based on deep convolutional neural networks (CNNs) for automatic heart sound classification using short-segments of individual heart beats. We design a 1D-CNN that directly learns features from raw…

Sound · Computer Science 2020-04-27 Fuad Noman , Chee-Ming Ting , Sh-Hussain Salleh , Hernando Ombao