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The heart sound signals (Phonocardiogram - PCG) enable the earliest monitoring to detect a potential cardiovascular pathology and have recently become a crucial tool as a diagnostic test in outpatient monitoring to assess heart hemodynamic…

Signal Processing · Electrical Eng. & Systems 2019-02-21 Serkan Kiranyaz , Morteza Zabihi , Ali Bahrami Rad , Anas Tahir , Turker Ince , Ridha Hamila , Moncef Gabbouj

Congenital anomalies arising as a result of a defect in the structure of the heart and great vessels are known as congenital heart diseases or CHDs. A PCG can provide essential details about the mechanical conduction system of the heart and…

This study addresses the classification of heartbeats from ECG signals through two distinct approaches: traditional machine learning utilizing hand-crafted features and deep learning via transformed images of ECG beats. The dataset…

Signal Processing · Electrical Eng. & Systems 2025-06-17 Thien Nhan Vo

Cardiac image segmentation is essential for automated cardiac function assessment and monitoring of changes in cardiac structures over time. Inspired by coarse-to-fine approaches in image analysis, we propose a novel multitask compositional…

Image and Video Processing · Electrical Eng. & Systems 2024-10-31 Abbas Khan , Muhammad Asad , Martin Benning , Caroline Roney , Gregory Slabaugh

Deep learning methods have reached state-of-the-art performance in cardiac image segmentation. Currently, the main bottleneck towards their effective translation into clinics requires assuring continuous high model performance and…

Image and Video Processing · Electrical Eng. & Systems 2021-06-15 Francesco Galati , Maria A. Zuluaga

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

Cardiac auscultation is the most practiced non-invasive and cost-effective procedure for the early diagnosis of heart diseases. While machine learning based systems can aid in automatically screening patients, the robustness of these…

Signal Processing · Electrical Eng. & Systems 2020-10-05 Ahmed Imtiaz Humayun , Shabnam Ghaffarzadegan , Md. Istiaq Ansari , Zhe Feng , Taufiq Hasan

For the weakly supervised task of electrocardiogram (ECG) rhythm classification, convolutional neural networks (CNNs) and long short-term memory (LSTM) networks are two increasingly popular classification models. This work investigates…

Machine Learning · Computer Science 2019-12-03 Nora Vogt

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…

Congenital heart disease (CHD) is a critical condition that demands early detection, particularly in infancy and childhood. This study presents a deep learning model designed to detect CHD using phonocardiogram (PCG) signals, with a focus…

Audio and Speech Processing · Electrical Eng. & Systems 2025-04-01 Abdul Jabbar , Ethan Grooby , Jack Crozier , Alexander Gallon , Vivian Pham , Khawza I Ahmad , Md Hassanuzzaman , Raqibul Mostafa , Ahsan H. Khandoker , Faezeh Marzbanrad

Investigation on the electrocardiogram (ECG) signals is an essential way to diagnose heart disease since the ECG process is noninvasive and easy to use. This work presents a supraventricular arrhythmia prediction model consisting of a few…

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

Electrocardiogram (ECG) signal is the most commonly used non-invasive tool in the assessment of cardiovascular diseases. Segmentation of the ECG signal to locate its constitutive waves, in particular the R-peaks, is a key step in ECG…

Signal Processing · Electrical Eng. & Systems 2020-04-29 Atiyeh Fotoohinasab , Toby Hocking , Fatemeh Afghah

This paper presents a fused deep learning algorithm for ECG classification. It takes advantages of the combined convolutional and recurrent neural network for ECG classification, and the weight allocation capability of attention mechanism.…

Machine Learning · Computer Science 2022-11-01 Tongyue He , Yiming Chen , Junxin Chen , Wei Wang , Yicong Zhou

Lung segmentation in chest X-ray images is a critical task in medical image analysis, enabling accurate diagnosis and treatment of various lung diseases. In this paper, we propose a novel approach for lung segmentation by integrating…

Image and Video Processing · Electrical Eng. & Systems 2024-05-22 Mohammad Ali Labbaf Khaniki , Nazanin Mahjourian , Mohammad Manthouri

We propose a new iterative segmentation model which can be accurately learned from a small dataset. A common approach is to train a model to directly segment an image, requiring a large collection of manually annotated images to capture the…

Computer Vision and Pattern Recognition · Computer Science 2018-09-13 Danielle F. Pace , Adrian V. Dalca , Tom Brosch , Tal Geva , Andrew J. Powell , Jürgen Weese , Mehdi H. Moghari , Polina Golland

We proposed a practical ECG compression system which is beneficial for tele-monitoring cardiovascular diseases. There are two steps in the compression framework. First, we partition ECG signal into segments according to R- to R-wave…

Information Theory · Computer Science 2017-04-19 Pengda Wong

An electrocardiogram (ECG) captures the heart's electrical signal to assess various heart conditions. In practice, ECG data is stored as either digitized signals or printed images. Despite the emergence of numerous deep learning models for…

Computer Vision and Pattern Recognition · Computer Science 2024-08-07 Ju-Hyeon Nam , Seo-Hyung Park , Su Jung Kim , Sang-Chul Lee

Simultaneous electrocardiography (ECG) and phonocardiogram (PCG) provide a comprehensive, multimodal perspective on cardiac function by capturing the heart's electrical and mechanical activities, respectively. However, the distinct and…

Machine Learning · Computer Science 2025-06-13 Sajjad Karimi , Amit J. Shah , Gari D. Clifford , Reza Sameni

Automated noninvasive cardiac diagnosis plays a critical role in the early detection of cardiac disorders and cost-effective clinical management. Automated diagnosis involves the automated segmentation and analysis of cardiac images.…

Image and Video Processing · Electrical Eng. & Systems 2025-04-21 Racheal Mukisa , Arvind K. Bansal

The vast majority of cardiovascular diseases may be preventable if early signs and risk factors are detected. Cardiovascular monitoring with body-worn sensor devices like sensor patches allows for the detection of such signs while…