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Infarcted brain tissue resulting from acute stroke readily shows up as hyperintense regions within diffusion-weighted magnetic resonance imaging (DWI). It has also been proposed that computed tomography perfusion (CTP) could alternatively…

Image and Video Processing · Electrical Eng. & Systems 2019-05-01 Jonathan Rubin , S. Mazdak Abulnaga

The cornerstone of stroke care is expedient management that varies depending on the time since stroke onset. Consequently, clinical decision making is centered on accurate knowledge of timing and often requires a radiologist to interpret…

Image and Video Processing · Electrical Eng. & Systems 2023-06-22 Adam Marcus , Paul Bentley , Daniel Rueckert

Stroke is a major cause of death and permanent impairment, making it a major worldwide health concern. For prompt intervention and successful preventative tactics, early risk assessment is essential. To address this challenge, we used…

Computer Vision and Pattern Recognition · Computer Science 2025-12-02 A S M Ahsanul Sarkar Akib , Raduana Khawla , Abdul Hasib

Stroke is the second leading cause of disability worldwide. In order to minimize disability, the goal of stroke treatment is to preserve tissue in the area where blood supply is decreased but sufficient to stave off cell death. Thrombectomy…

Treatment of acute ischemic strokes (AIS) is largely contingent upon the time since stroke onset (TSS). However, TSS may not be readily available in up to 25% of patients with unwitnessed AIS. Current clinical guidelines for patients with…

Image and Video Processing · Electrical Eng. & Systems 2021-05-03 Haoyue Zhang , Jennifer S Polson , Kambiz Nael , Noriko Salamon , Bryan Yoo , Suzie El-Saden , Fabien Scalzo , William Speier , Corey W Arnold

Segmenting stroke lesions in MRI is challenging due to diverse acquisition protocols that limit model generalisability. In this work, we introduce two physics-constrained approaches to generate synthetic quantitative MRI (qMRI) images that…

Image and Video Processing · Electrical Eng. & Systems 2025-06-03 Liam Chalcroft , Jenny Crinion , Cathy J. Price , John Ashburner

Magnetic resonance imaging (MRI) is a crucial tool to identify brain abnormalities in a wide range of neurological disorders. In focal epilepsy MRI is used to identify structural cerebral abnormalities. For covert lesions, machine learning…

Consistent surgical instrument segmentation is critical for automation in robot-assisted surgery. Yet, existing methods only treat instrument-level instance segmentation (IIS) or part-level semantic segmentation (PSS) separately, without…

Computer Vision and Pattern Recognition · Computer Science 2025-07-29 Meng Wei , Charlie Budd , Oluwatosin Alabi , Miaojing Shi , Tom Vercauteren

Annotation of medical images, such as MRI and CT scans, is crucial for evaluating treatment efficacy and planning radiotherapy. However, the extensive workload of medical professionals limits their ability to annotate large image datasets,…

Image and Video Processing · Electrical Eng. & Systems 2025-03-03 Eichi Takaya , Shinnosuke Yamamoto

Accurate and generalisable segmentation of stroke lesions from magnetic resonance imaging (MRI) is essential for advancing clinical research, prognostic modelling, and personalised interventions. Although deep learning has improved…

Quantitative Methods · Quantitative Biology 2026-02-11 Tammar Truzman , Matthew A. Lambon Ralph , Ajay D. Halai

A key challenge in ischemic stroke diagnosis using medical imaging is the accurate localization of the occluded vessel. Current machine learning methods in focus primarily on lesion segmentation, with limited work on vessel localization. In…

Computer Vision and Pattern Recognition · Computer Science 2025-10-14 Mohamed Hamad , Muhammad Khan , Tamer Khattab , Mohamed Mabrok

Accurate segmentation of ischemic stroke lesions from diffusion magnetic resonance imaging (MRI) is essential for clinical decision-making and outcome assessment. Diffusion-Weighted Imaging (DWI) and Apparent Diffusion Coefficient (ADC)…

Image and Video Processing · Electrical Eng. & Systems 2025-12-24 Muhammad Usman , Azka Rehman , Muhammad Mutti Ur Rehman , Abd Ur Rehman , Muhammad Umar Farooq

Brain stroke has become a significant burden on global health and thus we need remedies and prevention strategies to overcome this challenge. For this, the immediate identification of stroke and risk stratification is the primary task for…

Image and Video Processing · Electrical Eng. & Systems 2025-01-07 Prantik Deb , Lalith Bharadwaj Baru , Kamalaker Dadi , Bapi Raju S

Alzheimers disease (AD) is a severe neurological brain disorder. It is not curable, but earlier detection can help improve symptoms in a great deal. The machine learning based approaches are popular and well motivated models for medical…

Image and Video Processing · Electrical Eng. & Systems 2024-05-17 Lilia Lazli

Continual learning is rapidly emerging as a key focus in computer vision, aiming to develop AI systems capable of continuous improvement, thereby enhancing their value and practicality in diverse real-world applications. In healthcare,…

Post-stroke MRI not only delineates focal lesions but also reveals secondary structural changes, such as atrophy and ventricular enlargement. These abnormalities, increasingly recognised as imaging biomarkers of recovery and outcome, remain…

Computer Vision and Pattern Recognition · Computer Science 2025-10-29 Youwan Mahé , Elise Bannier , Stéphanie Leplaideur , Elisa Fromont , Francesca Galassi

Accurate sleep staging is essential for diagnosing OSA and hypopnea in stroke patients. Although PSG is reliable, it is costly, labor-intensive, and manually scored. While deep learning enables automated EEG-based sleep staging in healthy…

Intracranial carotid artery calcification (ICAC) is a major risk factor for stroke, and might contribute to dementia and cognitive decline. Reliance on time-consuming manual annotation of ICAC hampers much demanded further research into the…

Computer Vision and Pattern Recognition · Computer Science 2017-06-06 Gerda Bortsova , Gijs van Tulder , Florian Dubost , Tingying Peng , Nassir Navab , Aad van der Lugt , Daniel Bos , Marleen de Bruijne

The aortic vessel tree is composed of the aorta and its branching arteries, and plays a key role in supplying the whole body with blood. Aortic diseases, like aneurysms or dissections, can lead to an aortic rupture, whose treatment with…

Image and Video Processing · Electrical Eng. & Systems 2023-04-04 Yuan Jin , Antonio Pepe , Jianning Li , Christina Gsaxner , Fen-hua Zhao , Kelsey L. Pomykala , Jens Kleesiek , Alejandro F. Frangi , Jan Egger

In this article, we develop an algorithm for probabilistic and constrained projection pursuit. Our algorithm called ADIS (automated decomposition into sources) accepts arbitrary non-linear contrast functions and constraints from the user…

Computation · Statistics 2009-03-02 Gautam Pendse , David Borsook , Lino Becerra
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