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MR imaging is a valuable diagnostic tool allowing to non-invasively visualize patient anatomy and pathology with high soft-tissue contrast. However, MRI acquisition is typically time-consuming, leading to patient discomfort and increased…

Image and Video Processing · Electrical Eng. & Systems 2025-12-23 Jan Nikolas Morshuis , Matthias Hein , Christian F. Baumgartner

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

Stroke is the second leading cause of death worldwide, and is increasingly prevalent in low- and middle-income countries (LMICs). Timely interventions can significantly influence stroke survivability and the quality of life after treatment.…

Image and Video Processing · Electrical Eng. & Systems 2025-10-10 Toufiq Musah , Prince Ebenezer Adjei , Kojo Obed Otoo

Diffusion-Weighted Magnetic Resonance Imaging (DWI) is widely used for early cerebral infarct detection caused by ischemic stroke. Manual segmentation is done by a radiologist as a common clinical process, nonetheless, challenges of…

Computer Vision and Pattern Recognition · Computer Science 2018-03-29 Noranart Vesdapunt , Nongluk Covavisaruch

Cerebrovascular accident, or commonly known as stroke, is an acute disease with extreme impact on patients and healthcare systems and is the second largest cause of death worldwide. Fast and precise stroke lesion detection and location is…

Image and Video Processing · Electrical Eng. & Systems 2021-05-25 Chuanlong Li

Assessing lesions and tracking their progression over time in brain magnetic resonance (MR) images is essential for diagnosing and monitoring multiple sclerosis (MS). Machine learning models have shown promise in automating the segmentation…

Computer Vision and Pattern Recognition · Computer Science 2024-12-17 Berke Doga Basaran , Paul M. Matthews , Wenjia Bai

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

Stroke is the second leading cause of mortality worldwide. Immediate attention and diagnosis play a crucial role regarding patient prognosis. The key to diagnosis consists in localizing and delineating brain lesions. Standard stroke…

Image and Video Processing · Electrical Eng. & Systems 2024-09-05 Santiago Gómez , Daniel Mantilla , Gustavo Garzón , Edgar Rangel , Andrés Ortiz , Franklin Sierra-Jerez , Fabio Martínez

Accurate segmentation of the ventricles from cardiac magnetic resonance images (CMRIs) is crucial for enhancing the diagnosis and analysis of heart conditions. Deep learning-based segmentation methods have recently garnered significant…

Image and Video Processing · Electrical Eng. & Systems 2025-03-26 Hong Zheng , Yucheng Chen , Nan Mu , Xiaoning Li

Deep neural networks have demonstrated exceptional efficacy in stroke lesion segmentation. However, the delineation of small lesions, critical for stroke diagnosis, remains a challenge. In this study, we propose two straightforward yet…

Computer Vision and Pattern Recognition · Computer Science 2024-08-07 Liang Shang , Zhengyang Lou , Andrew L. Alexander , Vivek Prabhakaran , William A. Sethares , Veena A. Nair , Nagesh Adluru

Computed Tomography (CT) is commonly used to image acute ischemic stroke (AIS) patients, but its interpretation by radiologists is time-consuming and subject to inter-observer variability. Deep learning (DL) techniques can provide automated…

Image and Video Processing · Electrical Eng. & Systems 2023-10-02 Alessandro Fontanella , Wenwen Li , Grant Mair , Antreas Antoniou , Eleanor Platt , Paul Armitage , Emanuele Trucco , Joanna Wardlaw , Amos Storkey

Brain tissue segmentation from multimodal MRI is a key building block of many neuroscience analysis pipelines. It could also play an important role in many clinical imaging scenarios. Established tissue segmentation approaches have however…

Image and Video Processing · Electrical Eng. & Systems 2020-04-15 Reuben Dorent , Wenqi Li , Jinendra Ekanayake , Sebastien Ourselin , Tom Vercauteren

Medical brain image analysis is a necessary step in Computer Assisted /Aided Diagnosis (CAD) systems. Advancements in both hardware and software in the past few years have led to improved segmentation and classification of various diseases.…

Image and Video Processing · Electrical Eng. & Systems 2021-01-15 Darwin Castillo , Vasudevan Lakshminarayanan , Maria J. Rodriguez-Alvarez

Multiple sclerosis is an inflammatory autoimmune demyelinating disease that is characterized by lesions in the central nervous system. Typically, magnetic resonance imaging (MRI) is used for tracking disease progression. Automatic image…

Image and Video Processing · Electrical Eng. & Systems 2020-08-06 Nils Gessert , Julia Krüger , Roland Opfer , Ann-Christin Ostwaldt , Praveena Manogaran , Hagen H. Kitzler , Sven Schippling , Alexander Schlaefer

Segmentation of Multiple Sclerosis (MS) lesions is a challenging problem. Several deep-learning-based methods have been proposed in recent years. However, most methods tend to be static, that is, a single model trained on a large,…

Magnetic Resonance Imaging (MRI) is pivotal in radiology, offering non-invasive and high-quality insights into the human body. Precise segmentation of MRIs into different organs and tissues would be highly beneficial since it would allow…

Stroke is a major public health problem, affecting millions worldwide. Deep learning has recently demonstrated promise for enhancing the diagnosis and risk prediction of stroke. However, existing methods rely on costly medical imaging…

Image and Video Processing · Electrical Eng. & Systems 2025-12-17 Saeed Shurrab , Aadim Nepal , Terrence J. Lee-St. John , Nicola G. Ghazi , Bartlomiej Piechowski-Jozwiak , Farah E. Shamout

The task of medical image segmentation presents unique challenges, necessitating both localized and holistic semantic understanding to accurately delineate areas of interest, such as critical tissues or aberrant features. This complexity is…

Image and Video Processing · Electrical Eng. & Systems 2023-08-22 Pranav Singh , Luoyao Chen , Mei Chen , Jinqian Pan , Raviteja Chukkapalli , Shravan Chaudhari , Jacopo Cirrone

In an emergency room (ER) setting, stroke triage or screening is a common challenge. A quick CT is usually done instead of MRI due to MRI's slow throughput and high cost. Clinical tests are commonly referred to during the process, but the…

Computer Vision and Pattern Recognition · Computer Science 2022-06-29 Tongan Cai , Haomiao Ni , Mingli Yu , Xiaolei Huang , Kelvin Wong , John Volpi , James Z. Wang , Stephen T. C. Wong