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Purpose. It has been reported clinically that rupture or dissections in thoracic aortic aneurysms (TAA) often occur due to hypertension which may be modelled with sudden increase of peripheral resistance, inducing acute changes of blood…

Objective: Time-difference electrical impedance tomography (EIT) is gaining widespread use for bedside lung monitoring in intensive care patients suffering from lung-related diseases. It involves collecting voltage measurements from…

Alzheimer's Disease (AD) is characterized by a cascade of biomarkers becoming abnormal, the pathophysiology of which is very complex and largely unknown. Event-based modeling (EBM) is a data-driven technique to estimate the sequence in…

Machine Learning · Computer Science 2019-08-14 Vikram Venkatraghavan , Esther E. Bron , Wiro J. Niessen , Stefan Klein

Endovascular coil embolization is one of the primary treatment techniques for cerebral aneurysms. Although it is a well established and minimally invasive method, it bears the risk of sub-optimal coil placement which can lead to incomplete…

Computational Engineering, Finance, and Science · Computer Science 2024-02-06 Fabian Holzberger , Markus Muhr , Barbara Wohlmuth

Modeling temporal changes in subcortical structures is crucial for a better understanding of the progression of Alzheimer's disease (AD). Given their flexibility to adapt to heterogeneous sequence lengths, mesh-based transformer…

Computer Vision and Pattern Recognition · Computer Science 2022-07-06 Ignacio Sarasua , Sebastian Pölsterl , Christian Wachinger

This paper examines the reconstruction of a family of dynamical systems with neuromorphic behavior using a single scalar time series. A model of a physiological neuron based on the Hodgkin-Huxley formalism is considered. Single time series…

Pattern Formation and Solitons · Physics 2024-11-12 Pavel V. Kuptsov , Nataliya V. Stankevich

Alzheimer's disease (AD) is a neurodegenerative disorder with no known cure that affects tens of millions of people worldwide. Early detection of AD is critical for timely intervention to halt or slow the progression of the disease. In this…

Machine Learning · Computer Science 2025-07-08 Mahdi Moghaddami , Clayton Schubring , Mohammad-Reza Siadat

Alzheimer's disease (AD) is a progressive and irreversible brain disorder that unfolds over the course of 30 years. Therefore, it is critical to capture the disease progression in an early stage such that intervention can be applied before…

Machine Learning · Computer Science 2024-09-02 Yipei Wang , Bing He , Shannon Risacher , Andrew Saykin , Jingwen Yan , Xiaoqian Wang

Rheumatoid arthritis is a chronic autoimmune disease that is a major public health challenge. The disease is characterised by inflammation of synovial joints and cartilage erosion, which leads to chronic pain, poor life quality and, in some…

Quantitative Methods · Quantitative Biology 2020-01-07 Fiona R Macfarlane , Mark AJ Chaplain , Raluca Eftimie

Brain aging synthesis is a critical task with broad applications in clinical and computational neuroscience. The ability to predict the future structural evolution of a subject's brain from an earlier MRI scan provides valuable insights…

Machine Learning · Computer Science 2025-08-01 Ridvan Yesiloglu , Wei Peng , Md Tauhidul Islam , Ehsan Adeli

In this paper, we propose a novel graph-based data augmentation method that can generally be applied to medical waveform data with graph structures. In the process of recording medical waveform data, such as electrocardiogram (ECG) or…

Machine Learning · Computer Science 2025-02-11 Kyung Geun Kim , Byeong Tak Lee

Cerebrovascular diseases such as brain aneurysms are a primary cause of adult disability. The flow dynamics in brain arteries, both during periods of rest and increased activity, are known to be a major factor in the risk of aneurysm…

Distributed, Parallel, and Cluster Computing · Computer Science 2015-04-30 Mohamed A. Itani , Ulf D. Schiller , Sebastian Schmieschek , James Hetherington , Miguel O. Bernabeu , Hoskote Chandrashekar , Fergus Robertson , Peter V. Coveney , Derek Groen

In the analysis of complex, nonlinear time series, scientists in a variety of disciplines have relied on a time delayed embedding of their data, i.e. attractor reconstruction. The process has focused primarily on heuristic and empirical…

Chaotic Dynamics · Physics 2015-06-26 Louis M. Pecora , Linda Moniz , Jonathan Nichols , Thomas L. Carroll

The relationship between vascular morphology and hemodynamics is fundamental to understanding the natural history of cerebral aneurysms (CAs). While global geometric indices have been widely studied, the local interaction between luminal…

Medical Physics · Physics 2026-02-26 Marcella P. A. Dallavanzi , José L. Gasche , Iago L. Oliveira

Coronary arteries and their branches supply blood to myocardium. The obstruction of coronary arteries results in significant loss of myocardium, called acute myocardial infarction, and the number one cause of death globally. Hence,…

Computational Geometry · Computer Science 2017-08-31 Jehyun Chaa , Joonghyun Ryub , Jin-Ho Choi , Deok-Soo Kim

Abdominal aortic aneurysm (AAA) wall stress is a candidate rupture risk marker but is typically computed from single-phase images without known cardiac phase. Linear stress recovery methods, which solve a single geometrically linear…

Medical Physics · Physics 2025-11-25 Alastair Catlin , Mostafa Jamshidian , Adam Wittek , Karol Miller

Accelerated MRI reconstructs images of clinical anatomies from sparsely sampled signal data to reduce patient scan times. While recent works have leveraged deep learning to accomplish this task, such approaches have often only been explored…

Image and Video Processing · Electrical Eng. & Systems 2022-12-01 Michael S. Yao , Michael S. Hansen

Volume change measures derived from longitudinal MRI (e.g. hippocampal atrophy) are a well-studied biomarker of disease progression in Alzheimer's Disease (AD) and are used in clinical trials to track the therapeutic efficacy of…

Despite the state-of-the-art performance for medical image segmentation, deep convolutional neural networks (CNNs) have rarely provided uncertainty estimations regarding their segmentation outputs, e.g., model (epistemic) and image-based…

Computer Vision and Pattern Recognition · Computer Science 2019-02-12 Guotai Wang , Wenqi Li , Michael Aertsen , Jan Deprest , Sebastien Ourselin , Tom Vercauteren

Electromyography (EMG) refers to a biomedical signal indicating neuromuscular activity and muscle morphology. Experts accurately diagnose neuromuscular disorders using this time series. Modern data analysis techniques have recently led to…

Social and Information Networks · Computer Science 2021-08-17 Samaneh Samiei , Nasser Ghadiri , Behnaz Ansari
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