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Classification and prediction of heart disease is a significant problem to realize medical treatment and life protection. In this paper, persistent homology is involved to analyze electrocardiograms and a novel heart disease classification…

Quantitative Methods · Quantitative Biology 2021-12-01 Yin Ni , Fupeng Sun , Yihao Luo , Zhengrui Xiang , Huafei Sun

This paper proposes an abstract mathematical frame for describing some features of biological time. The key point is that usual physical (linear) representation of time is insufficient, in our view, for the understanding key phenomena of…

Other Quantitative Biology · Quantitative Biology 2012-04-09 Francis Bailly , Giuseppe Longo , Maël Montévil

A database of fetal heart rate (FHR) time series measured from 7221 patients during labor is analyzed with the aim of learning the types of features of these recordings that are informative of low cord pH. Our 'highly comparative' analysis…

Machine Learning · Computer Science 2014-12-04 B. D. Fulcher , A. E. Georgieva , C. W. G. Redman , Nick S. Jones

Cardiac development is complex, multiscale process encompassing cell fate adoption, differentiation and morphogenesis. To elucidate pathways underlying this process, a recently developed algorithm to reverse engineer gene regulatory…

Molecular Networks · Quantitative Biology 2017-02-08 Jason N. Bazil , Karl D. Stamm , Xing Li , Timothy J. Nelson , Aoy Tomita-Mitchell , Daniel A. Beard

Resting heart rate (RHR) is an important biomarker of cardiovascular health and mortality, but tracking it longitudinally generally requires a wearable device, limiting its availability. We present PHRM, a deep learning system for passive…

Motivated by the problem of verifying the correctness of arrhythmia-detection algorithms, we present a formalization of these algorithms in the language of Quantitative Regular Expressions. QREs are a flexible formal language for specifying…

Logic in Computer Science · Computer Science 2017-09-26 Houssam Abbas , Alena Rodionova , Ezio Bartocci , Scott A. Smolka , Radu Grosu

Shannon's seminal 1948 work gave rise to two distinct areas of research: information theory and mathematical coding theory. While information theory has had a strong influence on theoretical neuroscience, ideas from mathematical coding…

Neurons and Cognition · Quantitative Biology 2015-02-25 Carina Curto , Vladimir Itskov , Katherine Morrison , Zachary Roth , Judy L. Walker

We demonstrate that the information contained in the spike occurrence times of a population of neurons can be broken up into a series of terms, each of which reflect something about potential coding mechanisms. This is possible in the…

Biological Physics · Physics 2007-05-23 S. Panzeri , S. R. Schultz

Currently, many researchers and analysts are working toward medical diagnosis enhancement for various diseases. Heart disease is one of the common diseases that can be considered a significant cause of mortality worldwide. Early detection…

Machine Learning · Computer Science 2023-06-02 Salahaldeen Rababa , Asma Yamin , Shuxia Lu , Ashraf Obaidat

Real-world deployment of machine learning models is challenging because data evolves over time. While no model can work when data evolves in an arbitrary fashion, if there is some pattern to these changes, we might be able to design methods…

Machine Learning · Computer Science 2024-05-03 Rasool Fakoor , Jonas Mueller , Zachary C. Lipton , Pratik Chaudhari , Alexander J. Smola

Variable-length feedback coding has the potential to significantly enhance communication reliability in finite block length scenarios by adapting coding strategies based on real-time receiver feedback. Designing such codes, however, is…

Information Theory · Computer Science 2024-11-14 Wenwei Lai , Yulin Shao , Yu Ding , Deniz Gunduz

Background: How can mathematics help us to understand the mechanism of the cardiac motion? The best known approach is to take a mathematical model of the fibered structure, insert it into a more-or-less complex model of cardiac…

Medical Physics · Physics 2014-06-25 Saeed Ranjbar , Mersedeh Karvandi

Arrhythmia is an abnormality of the heart's rhythm, caused by problems in the conductive system and resulting in irregular heartbeats. There is increasing evidence that undertaking frequent endurance sports training elevates one's risk of…

Applications · Statistics 2026-01-06 Andrew Nugent , Yi Ting Loo , Jack Buckingham

The CVS is composed of numerous interacting and dynamically regulated physiological subsystems which each generate measurable periodic components such that the CVS can itself be presented as a system of weakly coupled oscillators. The…

Sex-based differences in cardiovascular disease are well documented, yet the precise nature and extent of these discrepancies in cardiac anatomy remain incompletely understood. Traditional scaling models often fail to capture the interplay…

Tissues and Organs · Quantitative Biology 2025-03-04 Beatrice Moscoloni , Cameron Beeche , Julio A. Chirinos , Patrick Segers , Mathias Peirlinck

This article surveys the literature over the period 2003-2021 on heart-based biometric protocols. In particular, we focus on how the heart signal is transformed from a continuous wave to discrete values to be used afterwards in…

Cryptography and Security · Computer Science 2022-02-08 Lara Ortiz-Martin , Pablo Picazo-Sanchez

The nervous system displays a variety of rhythms in both waking and sleep. These rhythms have been closely associated with different behavioral and cognitive states, but it is still unknown how the nervous system makes use of these rhythms…

Dynamical Systems · Mathematics 2007-05-23 Nancy Kopell

This paper briefly introduces the solutions developed by our team, HFUT-VUT, for Track 1 of self-supervised heart rate measurement in the 3rd Vision-based Remote Physiological Signal Sensing (RePSS) Challenge hosted at IJCAI 2024. The goal…

Computer Vision and Pattern Recognition · Computer Science 2024-06-10 Wei Qian , Qi Li , Kun Li , Xinke Wang , Xiao Sun , Meng Wang , Dan Guo

The function of the organism hinges on the performance of its information-processing networks, which convey information via molecular recognition. Many paths within these networks utilize molecular codebooks, such as the genetic code, to…

Biomolecules · Quantitative Biology 2010-07-27 Tsvi Tlusty

Alterations in Heart Rate (HR) and Heart Rate Variability (HRV) can reflect autonomic dysfunction associated with neurodegeneration. We investigate the influence of Mild Cognitive Impairment (MCI) on HR and its variability measures in the…

Machine Learning · Computer Science 2024-08-06 Anjo Xavier , Sneha Noble , Justin Joseph , Thomas Gregor Issac