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Rehabilitation assessment is critical to determine an adequate intervention for a patient. However, the current practices of assessment mainly rely on therapist's experience, and assessment is infrequently executed due to the limited…

Human-Computer Interaction · Computer Science 2020-03-03 Min Hun Lee , Daniel P. Siewiorek , Asim Smailagic , Alexandre Bernardino , Sergi Bermúdez i Badia

Rehabilitation is essential and critical for post-stroke patients, addressing both physical and cognitive aspects. Stroke predominantly affects older adults, with 75% of cases occurring in individuals aged 65 and older, underscoring the…

Computer Vision and Pattern Recognition · Computer Science 2025-02-28 Jisoo Lee , Tamim Ahmed , Thanassis Rikakis , Pavan Turaga

Stroke is globally a major cause of mortality and morbidity, and hence accurate and rapid diagnosis of stroke is valuable. Retinal fundus imaging reveals the known markers of elevated stroke risk in the eyes, which are retinal venular…

Image and Video Processing · Electrical Eng. & Systems 2025-02-04 Aysen Degerli , Mika Hilvo , Juha Pajula , Petri Huhtinen , Pekka Jäkälä

Upper extremity motor impairment affects about 80\% of persons after strokes. For stroke rehabilitation, upper limb kinematic assessments have increasingly been used as primary or secondary outcome measures. Studying the upper extremity…

Quantitative Methods · Quantitative Biology 2023-05-18 Khadija F. Zaidi , Michelle Harris-Love

Stroke represents the third cause of death and disability worldwide, and is recognised as a significant global health problem. A major challenge for stroke survivors is persistent hand dysfunction, which severely affects the ability to…

Computer Vision and Pattern Recognition · Computer Science 2024-10-01 Wiktor Mucha , Kentaro Tanaka , Martin Kampel

Early identification of stroke symptoms is essential for enabling timely intervention and improving patient outcomes, particularly in prehospital settings. This study presents a fast, non-invasive multimodal deep learning framework for…

Computer Vision and Pattern Recognition · Computer Science 2026-03-19 Ngoc-Khai Hoang , Thi-Nhu-Mai Nguyen , Huy-Hieu Pham

The propensity score analysis is one of the most widely used methods for studying the causal treatment effect in observational studies. This paper studies treatment effect estimation with the method of matching weights. This method…

Methodology · Statistics 2011-05-17 Liang Li

Consider the following Stochastic Score Classification Problem. A doctor is assessing a patient's risk of developing a certain disease, and can perform $n$ tests on the patient. Each test has a binary outcome, positive or negative. A…

Data Structures and Algorithms · Computer Science 2018-06-29 Dimitrios Gkenosis , Nathaniel Grammel , Lisa Hellerstein , Devorah Kletenik

Early identification of stroke is crucial for intervention, requiring reliable models. We proposed an efficient retinal image representation together with clinical information to capture a comprehensive overview of cardiovascular health,…

Computer Vision and Pattern Recognition · Computer Science 2024-11-11 Yuqing Huang , Bastian Wittmann , Olga Demler , Bjoern Menze , Neda Davoudi

Precise characterization of stroke lesions from MRI data has immense value in prognosticating clinical and cognitive outcomes following a stroke. Manual stroke lesion segmentation is time-consuming and requires the expertise of neurologists…

Image and Video Processing · Electrical Eng. & Systems 2025-01-28 Liang Shang , William A. Sethares , Anusha Adluru , Andrew L. Alexander , Vivek Prabhakaran , Veena A. Nair , Nagesh Adluru

This study presents a novel methodology for stratifying post-myocardial infarction patients at risk of ventricular arrhythmias using patient-specific 3D cardiac models derived from late gadolinium enhancement cardiovascular magnetic…

Computational Engineering, Finance, and Science · Computer Science 2024-09-11 Dolors Serra , Pau Romero , Paula Franco , Ignacio Bernat , Miguel Lozano , Ignacio Garcia-Fernandez , David Soto , Antonio Berruezo , Oscar Camara , Rafael Sebastian

Despite advancements in rehabilitation protocols, clinical assessment of upper extremity (UE) function after stroke largely remains subjective, relying heavily on therapist observation and coarse scoring systems. This subjectivity limits…

Image and Video Processing · Electrical Eng. & Systems 2025-09-11 David Robinson , Animesh Gupta , Rizwan Quershi , Qiushi Fu , Mubarak Shah

Classifying fine-grained ischemic stroke phenotypes relies on identifying important clinical information. Radiology reports provide relevant information with context to determine such phenotype information. We focus on stroke phenotypes…

Computation and Language · Computer Science 2020-10-13 Surabhi Datta , Shekhar Khanpara , Roy F. Riascos , Kirk Roberts

This work considers the optimization of electrode positions in head imaging by electrical impedance tomography. The study is motivated by maximizing the sensitivity of electrode measurements to conductivity changes when monitoring the…

Numerical Analysis · Mathematics 2023-12-19 N. Hyvönen , A. Jääskeläinen , R. Maity , A. Vavilov

Computed tomography perfusion (CTP) at admission is routinely used to estimate the ischemic core and penumbra, while follow-up diffusion-weighted MRI (DWI) provides the definitive infarct outcome. However, single time-point segmentations…

Computer Vision and Pattern Recognition · Computer Science 2026-02-10 Md Sazidur Rahman , Kjersti Engan , Kathinka Dæhli Kurz , Mahdieh Khanmohammadi

Coronary artery disease(CAD) is the most common type of heart disease and the leading cause of death worldwide[1]. A progressive state of this disease marked by plaque rupture and clot formation in the coronary arteries, also known as an…

Machine Learning · Computer Science 2020-09-29 Atandra Burman , Jitto Titus , David Gbadebo , Melissa Burman

Background and objective. Circular statistics and Rayleigh tests are important tools for analyzing the occurrence of cyclic events. However, current methods fail in the presence of measurement bias, such as incomplete or otherwise…

Quantitative Methods · Quantitative Biology 2023-12-11 Abdallah Alsammani , William C. Stacey , Stephen V. Gliske

An important step in diagnostics is the isolation of specific cells and microorganisms of interest from blood. Since such bioparticles are often present at very low concentrations, throughput needs to be as high as possible. In addition, to…

Soft Condensed Matter · Physics 2019-07-31 Stefan H. Holm , Zunmin Zhang , Jason P. Beech , Gerhard Gompper , Dmitry A. Fedosov , Jonas O. Tegenfeldt

We present a fully convolutional neural network for segmenting ischemic stroke lesions in CT perfusion images for the ISLES 2018 challenge. Treatment of stroke is time sensitive and current standards for lesion identification require manual…

Computer Vision and Pattern Recognition · Computer Science 2018-11-06 S. Mazdak Abulnaga , Jonathan Rubin

Quantitative estimation of the acute ischemic infarct is crucial to improve neurological outcomes of the patients with stroke symptoms. Since the density of lesions is subtle and can be confounded by normal physiologic changes, anatomical…

Image and Video Processing · Electrical Eng. & Systems 2021-10-12 Kongming Liang , Kai Han , Xiuli Li , Xiaoqing Cheng , Yiming Li , Yizhou Wang , Yizhou Yu