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Related papers: Cardiac Aging Detection Using Complexity Measures

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In this article we present a methodology to estimate the Transfer Entropy Rate between two systems through the Lempel-Ziv complexity. This methodology carries a set of practical advantages: it can be estimated from two single discrete…

Applications · Statistics 2020-05-20 Juan F. Restrepo , Diego M. Mateos , Gastón Schlotthauer

In recent studies, new measures of complexity for nonlinear systems have been proposed based on probabilistic grounds, as the LMC measure (Phys. Lett. A {\bf 209} (1995) 321) or the SDL measure (Phys. Rev. E {\bf 59} (1999) 2). All these…

adap-org · Physics 2015-06-30 Ricard V. Sole , Bartolo Luque

Heart disease, also known as cardiovascular disease, is a prevalent and critical medical condition characterized by the impairment of the heart and blood vessels, leading to various complications such as coronary artery disease, heart…

Computer Vision and Pattern Recognition · Computer Science 2023-10-20 Zeynep Hilal Kilimci , Mustafa Yalcin , Ayhan Kucukmanisa , Amit Kumar Mishra

Cardiovascular diseases (CVDs) are a group of heart and blood vessel disorders that is one of the most serious dangers to human health, and the number of such patients is still growing. Early and accurate detection plays a key role in…

Computer Vision and Pattern Recognition · Computer Science 2026-02-17 Khiem H. Le , Hieu H. Pham , Thao BT. Nguyen , Tu A. Nguyen , Tien N. Thanh , Cuong D. Do

Cardiovascular diseases are widespread among patients with chronic noncommunicable diseases and are one of the leading causes of death, including in the working age. The article presents the relevance of the development and application of…

Machine Learning · Computer Science 2023-08-22 T. V. Afanasieva , A. P. Kuzlyakin , A. V. Komolov

Nowadays, an increasing number of people are being diagnosed with cardiovascular diseases (CVDs), the leading cause of death globally. The gold standard for identifying these heart problems is via electrocardiogram (ECG). The standard…

Computer Vision and Pattern Recognition · Computer Science 2022-08-16 Khiem H. Le , Hieu H. Pham , Thao B. T. Nguyen , Tu A. Nguyen , Cuong D. Do

This paper explores a novel method for anxiety detection in older adults using simple wristband sensors such as Electrodermal Activity (EDA) and Photoplethysmogram (PPG) and a context-based feature. The proposed method for anxiety detection…

Signal Processing · Electrical Eng. & Systems 2021-06-08 Rajdeep Kumar Nath , Himanshu Thapliyal

The electrocardiogram (ECG) records electrical signals in a non-invasive way to observe the condition of the heart, typically looking at the heart from 12 different directions. Several types of the cardiac disease are diagnosed by using…

Signal Processing · Electrical Eng. & Systems 2024-10-16 Yong-Yeon Jo , Young Sang Choi , Jong-Hwan Jang , Joon-Myoung Kwon

Cardiovascular diseases state as one of the greatest risks of death for the general population. Late detection in heart diseases highly conditions the chances of survival for patients. Age, sex, cholesterol level, sugar level, heart rate,…

Cardiac diseases are among the leading causes of morbidity and mortality worldwide, which requires accurate and timely diagnostic strategies. In this study, we introduce an innovative approach that combines deep learning image registration…

Machine Learning · Computer Science 2025-07-09 Comte Valentin , Gemma Piella , Mario Ceresa , Miguel A. Gonzalez Ballester

Ensuring timely and accurate diagnosis of medical conditions is paramount for effective patient care. Electrocardiogram (ECG) signals are fundamental for evaluating a patient's cardiac health and are readily available. Despite this, little…

Signal Processing · Electrical Eng. & Systems 2025-11-21 Juan Miguel Lopez Alcaraz , Nils Strodthoff

Background: Most people with any long-term condition have multiple long-term conditions, but our understanding of how conditions cluster is limited. Many clustering studies identify clusters in the whole population, but the clusters that…

Applications · Statistics 2025-05-19 Anirban Chakraborty , Bruce Guthrie , Sohan Seth

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…

Objectives: This study examines human Photoplethysmogram (PPG) along with Electrocardiogram (ECG) signals to study cardiac autonomic imbalance in epileptic seizures. The significance and the prevalence of changes in PPG morphological…

Signal Processing · Electrical Eng. & Systems 2019-12-12 Seyede Mahya Safavi , Ninaz Valisharifabad , Robert Sabino , Hsinchung Chen , Ali HeydariGorji , Demi Tran , Jack Lin , Beth Lopour , Pai H. Chou

The aim of this work is to give the readers a review (perspective) of prior work on this kind of complexity-based detection from resting-state EEG and present our preliminary cross-section analysis results on how EEG complexity of…

Neurons and Cognition · Quantitative Biology 2023-11-16 Milena Čukić Radenković , Simon Annaheim , Patrick Eggenberger , René Michel Rossi

In this paper, we developed a novel method of nonparametric relative entropy (RlEn) for modelling loss of complexity in intermittent time series. The method consists of two steps. We first fit a nonlinear autoregressive model to each…

Methodology · Statistics 2025-01-08 Jie Li , Jian Zhang , Samantha L. Winter , Mark Burnley

The leading cause of mortality and morbidity worldwide is cardiovascular disease (CVD), with coronary artery disease (CAD) being the largest sub-category. Unfortunately, myocardial infarction or stroke can manifest as the first symptom of…

Signal Processing · Electrical Eng. & Systems 2024-09-10 Matthew Fynn , Kayapanda Mandana , Javed Rashid , Sven Nordholm , Yue Rong , Goutam Saha

Except for a few specific types, cardiac arrhythmias are not immediately life-threatening. However, if not treated appropriately, they can cause serious complications. In particular, atrial fibrillation, which is characterized by fast and…

Machine Learning · Computer Science 2020-10-08 Jérôme Van Zaen , Ricard Delgado-Gonzalo , Damien Ferrario Mathieu Lemay

Heart Failure is a major component of healthcare expenditure and a leading cause of mortality worldwide. Despite higher inter-rater variability, endomyocardial biopsy (EMB) is still regarded as the standard technique, used to identify the…

Machine Learning · Computer Science 2019-07-30 Kavita Dubey , Anant Agarwal , Astitwa Sarthak Lathe , Ranjeet Kumar , Vishal Srivastava

Cardiovascular diseases remain the leading cause of morbidity and mortality, particularly in aging populations, with rising rates of heart-related incidents in middle-aged and even younger individuals. Currently available electrocardiogram…

Signal Processing · Electrical Eng. & Systems 2024-11-12 Wenqi Guan