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Diagnosing pre-existing heart diseases early in life is important as it helps prevent complications such as pulmonary hypertension, heart rhythm problems, blood clots, heart failure and sudden cardiac arrest. To identify such diseases,…

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

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

Supervised deep learning performance is heavily tied to the availability of high-quality labels for training. Neural networks can gradually overfit corrupted labels if directly trained on noisy datasets, leading to severe performance…

Machine Learning · Computer Science 2021-02-02 Ziyi Huang , Haofeng Zhang , Andrew Laine , Elsa Angelini , Christine Hendon , Yu Gan

Graph Neural Networks (GNNs) have shown remarkable success across various scientific fields, yet their adoption in critical decision-making is often hindered by a lack of interpretability. Recently, intrinsically interpretable GNNs have…

Machine Learning · Computer Science 2025-10-07 Cheng Xin , Fan Xu , Xin Ding , Jie Gao , Jiaxin Ding

Heart disease remains a leading cause of mortality worldwide. Auscultation, the process of listening to heart sounds, can be enhanced through computer-aided analysis using Phonocardiogram (PCG) signals. This paper presents a novel approach…

Sound · Computer Science 2024-06-11 Manas Madine

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

Recent years have witnessed an increased interest in the application of persistent homology, a topological tool for data analysis, to machine learning problems. Persistent homology is known for its ability to numerically characterize the…

Neural and Evolutionary Computing · Computer Science 2016-08-29 Jen-Yu Liu , Shyh-Kang Jeng , Yi-Hsuan Yang

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

Topological methods, including persistent homology, are powerful tools for analysis of high-dimensional data sets but these methods rely almost exclusively on thresholding techniques. In noisy data sets, thresholding does not always allow…

Computational Geometry · Computer Science 2016-09-08 Jennifer Kloke , Gunnar Carlsson

The electrocardiogram (ECG) is a dependable instrument for assessing the function of the cardiovascular system. There has recently been much emphasis on precisely classifying ECGs. While ECG situations have numerous similarities, little…

Signal Processing · Electrical Eng. & Systems 2023-11-09 Kamyar Zeinalipour , Marco Gori

Semi-supervised semantic segmentation (SSSS) is vital in computational pathology, where dense annotations are costly and limited. Existing methods often rely on pixel-level consistency, which propagates noisy pseudo-labels and produces…

Image and Video Processing · Electrical Eng. & Systems 2025-11-14 Ha-Hieu Pham , Minh Le , Han Huynh , Nguyen Quoc Khanh Le , Huy-Hieu Pham

While Deep Learning (DL) enhances automated electrocardiogram (ECG) analysis, clinical deployment is hindered by class imbalance and the generalization gap. This paper presents HeartBeatAI, a deep learning framework combining domain…

Artificial Intelligence · Computer Science 2026-05-26 Shubham Gupta , Nikhil Panwar , Partha Pratim Roy

Physiological signals, such as the electrocardiogram and the phonocardiogram are very often corrupted by noisy sources. Usually, artificial intelligent algorithms analyze the signal regardless of its quality. On the other hand, physicians…

Signal Processing · Electrical Eng. & Systems 2023-04-25 Jorge Oliveira , Margarida Carvalho , Diogo Marcelo Nogueira , Miguel Coimbra

Photoplethysmography (PPG) sensors allow for non-invasive and comfortable heart-rate (HR) monitoring, suitable for compact wrist-worn devices. Unfortunately, Motion Artifacts (MAs) severely impact the monitoring accuracy, causing high…

We present FasterSeg, an automatically designed semantic segmentation network with not only state-of-the-art performance but also faster speed than current methods. Utilizing neural architecture search (NAS), FasterSeg is discovered from a…

Computer Vision and Pattern Recognition · Computer Science 2020-01-20 Wuyang Chen , Xinyu Gong , Xianming Liu , Qian Zhang , Yuan Li , Zhangyang Wang

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

Sleep is crucial for human health, and EEG signals play a significant role in sleep research. Due to the high-dimensional nature of EEG signal data sequences, data visualization and clustering of different sleep stages have been challenges.…

Machine Learning · Computer Science 2024-09-04 Yangfan Deng , Hamad Albidah , Ahmed Dallal , Jijun Yin , Zhi-Hong Mao

Image segmentation is one of the major computer vision tasks, which is applicable in a variety of domains, such as autonomous navigation of an unmanned aerial vehicle. However, image segmentation cannot easily materialize on tiny embedded…

Neural and Evolutionary Computing · Computer Science 2024-05-06 Byungchul Chae , Jiae Kim , Seonyeong Heo

High-resolution segmentation is critical for precise disease diagnosis by extracting fine-grained morphological details. Existing hierarchical encoder-decoder frameworks have demonstrated remarkable adaptability across diverse medical…

Image and Video Processing · Electrical Eng. & Systems 2025-07-22 Qing Xu , Zhenye Lou , Chenxin Li , Yue Li , Xiangjian He , Tesema Fiseha Berhanu , Rong Qu , Wenting Duan , Zhen Chen