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Early identification of abnormal physiological patterns is essential for the timely detection of cardiac disease. This work introduces a hybrid quantum-classical convolutional neural network (QCNN) designed to classify S3 and murmur…

Machine Learning · Computer Science 2025-11-05 Yasaman Torabi , Shahram Shirani , James P. Reilly

In this article, we propose a novel technique for classification of the Murmurs in heart sound. We introduce a novel deep neural network architecture using parallel combination of the Recurrent Neural Network (RNN) based Bidirectional Long…

Sound · Computer Science 2018-08-15 Shahnawaz Alam , Rohan Banerjee , Soma Bandyopadhyay

Deep learning approaches for heart-sound (PCG) segmentation built on time-frequency features can be accurate but often rely on large expert-labeled datasets, limiting robustness and deployment. We present TopSeg, a topological…

Sound · Computer Science 2026-02-02 Peihong Zhang , Zhixin Li , Yuxuan Liu , Rui Sang , Yiqiang Cai , Yizhou Tan , Shengchen Li

Cardiac auscultation is an essential point-of-care method used for the early diagnosis of heart diseases. Automatic analysis of heart sounds for abnormality detection is faced with the challenges of additive noise and sensor-dependent…

Sound · Computer Science 2021-06-04 Farhat Binte Azam , Md. Istiaq Ansari , Ian Mclane , Taufiq Hasan

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

With tens of thousands of electrocardiogram (ECG) records processed by mobile cardiac event recorders every day, heart rhythm classification algorithms are an important tool for the continuous monitoring of patients at risk. We utilise an…

Machine Learning · Computer Science 2020-12-14 Patrick Schwab , Gaetano Scebba , Jia Zhang , Marco Delai , Walter Karlen

Heart murmurs provide valuable information about mechanical activity of the heart, which aids in diagnosis of various heart valve diseases. This work does automatic and accurate heart murmur detection from phonocardiogram (PCG) recordings.…

Signal Processing · Electrical Eng. & Systems 2024-12-04 Ahmed Patwa , Muhammad Mahboob Ur Rahman , Tareq Y. Al-Naffouri

Acoustic signals are crucial for health monitoring, particularly heart sounds which provide essential data like heart rate and detect cardiac anomalies such as murmurs. This study utilizes a publicly available phonocardiogram (PCG) dataset…

Sound · Computer Science 2024-07-29 Jingping Nie , Ran Liu , Behrooz Mahasseni , Erdrin Azemi , Vikramjit Mitra

Method: In this study, a new method is introduced for distinguishing noise-free segments of ECG from noisy segments that use sample amplitude dispersion with an adoptive threshold for variance of samples amplitude and a method which uses…

Signal Processing · Electrical Eng. & Systems 2021-05-24 Zahra Rezaei Khavas , Babak Mohammadzadeh Asl

Cardiac motion estimation and segmentation play important roles in quantitatively assessing cardiac function and diagnosing cardiovascular diseases. In this paper, we propose a novel deep learning method for joint estimation of motion and…

Computer Vision and Pattern Recognition · Computer Science 2018-06-12 Chen Qin , Wenjia Bai , Jo Schlemper , Steffen E. Petersen , Stefan K. Piechnik , Stefan Neubauer , Daniel Rueckert

Heart is one of the vital organs of human body. A minor dysfunction of heart even for a short time interval can be fatal, therefore, efficient monitoring of its physiological state is essential for the patients with cardiovascular diseases.…

Image and Video Processing · Electrical Eng. & Systems 2019-11-22 Shakeel Muhammad Ibrahim , Muhammad Sohail Ibrahim , Muhammad Usman , Imran Naseem , Muhammad Moinuddin

Multi-view echocardiographic sequences segmentation is crucial for clinical diagnosis. However, this task is challenging due to limited labeled data, huge noise, and large gaps across views. Here we propose a recurrent aggregation learning…

Image and Video Processing · Electrical Eng. & Systems 2019-07-29 Ming Li , Weiwei Zhang , Guang Yang , Chengjia Wang , Heye Zhang , Huafeng Liu , Wei Zheng , Shuo Li

Phonocardiography has recently gained popularity in low-cost and remote monitoring, including passive fetal heart monitoring. Development for methods which analyse phonocardiographical data try to capitalize on this opportunity, and in…

Signal Processing · Electrical Eng. & Systems 2024-08-26 Kristóf Müller , Janka Hatvani , Miklós Koller , Márton Áron Goda

Objective: A novel structure based on channel-wise attention mechanism is presented in this paper. Embedding with the proposed structure, an efficient classification model that accepts multi-lead electrocardiogram (ECG) as input is…

Signal Processing · Electrical Eng. & Systems 2020-03-27 Hao Tung , Chao Zheng , Xinsheng Mao , Dahong Qian

Cardiovascular disease is one of the leading causes of death according to WHO. Phonocardiography (PCG) is a costeffective, non-invasive method suitable for heart monitoring. The main aim of this work is to classify heart sounds into…

Sound · Computer Science 2023-02-28 Reza Yousefi Mashhoor , Ahmad Ayatollahi

Cardiovascular diseases (CVDs) are the main cause of deaths all over the world. Heart murmurs are the most common abnormalities detected during the auscultation process. The two widely used publicly available phonocardiogram (PCG) datasets…

Electrocardiogram (ECG) is the most frequent and routine diagnostic tool used for monitoring heart electrical signals and evaluating its functionality. The human heart can suffer from a variety of diseases, including cardiac arrhythmias.…

Signal Processing · Electrical Eng. & Systems 2022-09-05 Negin Alamatsaz , Leyla s Tabatabaei , Mohammadreza Yazdchi , Hamidreza Payan , Nima Alamatsaz , Fahimeh Nasimi

Electrocardiogram (ECG), a technique for medical monitoring of cardiac activity, is an important method for identifying cardiovascular disease. However, analyzing the increasing quantity of ECG data consumes a lot of medical resources. This…

Signal Processing · Electrical Eng. & Systems 2022-10-13 Xinyao Hou , Shengmei Qin , Jianbo Su

Cardiovascular diseases represent a leading cause of mortality worldwide, necessitating accurate and early diagnosis for improved patient outcomes. Current diagnostic approaches for cardiac abnormalities often present challenges in clinical…

Signal Processing · Electrical Eng. & Systems 2025-11-11 Seyed Amir Latifi , Hassan Ghassemian , Maryam Imani

Pattern recognition from audio signals is an active research topic encompassing audio tagging, acoustic scene classification, music classification, and other areas. Spectrogram and mel-frequency cepstral coefficients (MFCC) are among the…

Audio and Speech Processing · Electrical Eng. & Systems 2022-11-18 Md. Istiaq Ansari , Taufiq Hasan