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Brain stroke is a leading cause of mortality and long-term disability worldwide, underscoring the need for precise and rapid prediction techniques. Computed Tomography (CT) scan is considered one of the most effective methods for diagnosing…

Computer Vision and Pattern Recognition · Computer Science 2025-12-19 Md. Sabbir Hossen , Eshat Ahmed Shuvo , Shibbir Ahmed Arif , Pabon Shaha , Anichur Rahman , Md. Saiduzzaman , Fahmid Al Farid , Hezerul Abdul Karim , Abu Saleh Musa Miah

Deep learning based disease detection and segmentation algorithms promise to improve many clinical processes. However, such algorithms require vast amounts of annotated training data, which are typically not available in the medical context…

Image and Video Processing · Electrical Eng. & Systems 2021-11-02 Moritz Platscher , Jonathan Zopes , Christian Federau

A stroke occurs when an artery in the brain ruptures and bleeds or when the blood supply to the brain is cut off. Blood and oxygen cannot reach the brain's tissues due to the rupture or obstruction resulting in tissue death. The Middle…

Image and Video Processing · Electrical Eng. & Systems 2022-05-10 Ujjwal Upadhyay , Mukul Ranjan , Satish Golla , Swetha Tanamala , Preetham Sreenivas , Sasank Chilamkurthy , Jeyaraj Pandian , Jason Tarpley

Deep learning (DL) networks have recently been shown to outperform other segmentation methods on various public, medical-image challenge datasets [3,11,16], especially for large pathologies. However, in the context of diseases such as…

Computer Vision and Pattern Recognition · Computer Science 2018-10-18 Tanya Nair , Doina Precup , Douglas L. Arnold , Tal Arbel

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

Measuring lesion size is an important step to assess tumor growth and monitor disease progression and therapy response in oncology image analysis. Although it is tedious and highly time-consuming, radiologists have to work on this task by…

Image and Video Processing · Electrical Eng. & Systems 2021-05-06 Youbao Tang , Ke Yan , Jinzheng Cai , Lingyun Huang , Guotong Xie , Jing Xiao , Jingjing Lu , Gigin Lin , Le Lu

In the realm of medical imaging, precise segmentation of stroke lesions from brain MRI images stands as a critical challenge with significant implications for patient diagnosis and treatment. Addressing this, our study introduces an…

Image and Video Processing · Electrical Eng. & Systems 2023-11-21 Mario Pascual González

Ischemic stroke lesion segmentation from Computed Tomography Perfusion (CTP) images is important for accurate diagnosis of stroke in acute care units. However, it is challenged by low image contrast and resolution of the perfusion parameter…

Image and Video Processing · Electrical Eng. & Systems 2021-01-01 Guotai Wang , Tao Song , Qiang Dong , Mei Cui , Ning Huang , Shaoting Zhang

The automated detection of cortical lesions (CLs) in patients with multiple sclerosis (MS) is a challenging task that, despite its clinical relevance, has received very little attention. Accurate detection of the small and scarce lesions…

Image and Video Processing · Electrical Eng. & Systems 2020-08-18 Francesco La Rosa , Erin S Beck , Ahmed Abdulkadir , Jean-Philippe Thiran , Daniel S Reich , Pascal Sati , Meritxell Bach Cuadra

Predicting the final ischaemic stroke lesion provides crucial information regarding the volume of salvageable hypoperfused tissue, which helps physicians in the difficult decision-making process of treatment planning and intervention.…

Image and Video Processing · Electrical Eng. & Systems 2021-01-05 Adriano Pinto , Sérgio Pereira , Raphael Meier , Roland Wiest , Victor Alves , Mauricio Reyes , Carlos A. Silva

Deep learning frameworks such as nnU-Net achieve state-of-the-art performance in brain lesion segmentation but remain difficult to deploy clinically due to heavy dependencies and monolithic design. We introduce \textit{StrokeSeg}, a modular…

Computer Vision and Pattern Recognition · Computer Science 2025-10-29 Yann Kerverdo , Florent Leray , Youwan Mahé , Stéphanie Leplaideur , Francesca Galassi

Recently, segmentation methods based on Convolutional Neural Networks (CNNs) showed promising performance in automatic Multiple Sclerosis (MS) lesions segmentation. These techniques have even outperformed human experts in controlled…

Image and Video Processing · Electrical Eng. & Systems 2021-07-26 Reda Abdellah Kamraoui , Vinh-Thong Ta , Thomas Tourdias , Boris Mansencal , José V Manjon , Pierrick Coupé

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

The detection of new or enlarged white-matter lesions in multiple sclerosis is a vital task in the monitoring of patients undergoing disease-modifying treatment for multiple sclerosis. However, the definition of 'new or enlarged' is not…

We present a method to segment MRI scans of the human brain into ischemic stroke lesion and normal tissues. We propose a neural network architecture in the form of a standard encoder-decoder where predictions are guided by a spatial…

Image and Video Processing · Electrical Eng. & Systems 2021-09-21 Alex Wong , Allison Chen , Yangchao Wu , Safa Cicek , Alexandre Tiard , Byung-Woo Hong , Stefano Soatto

Manual segmentation of rodent brain lesions from magnetic resonance images (MRIs) is an arduous, time-consuming and subjective task that is highly important in pre-clinical research. Several automatic methods have been developed for…

Image and Video Processing · Electrical Eng. & Systems 2019-08-26 Juan Miguel Valverde , Artem Shatillo , Riccardo de Feo , Olli Gröhn , Alejandra Sierra , Jussi Tohka

Delineating infarcted tissue in ischemic stroke lesions is crucial to determine the extend of damage and optimal treatment for this life-threatening condition. However, this problem remains challenging due to high variability of ischemic…

Computer Vision and Pattern Recognition · Computer Science 2018-10-17 Jose Dolz , Ismail Ben Ayed , Christian Desrosiers

Stroke is among the top three causes of death worldwide, and accurate identification of ischemic stroke lesion boundaries from imaging is critical for diagnosis and treatment. The main imaging modalities used include magnetic resonance…

Image and Video Processing · Electrical Eng. & Systems 2025-08-25 Juampablo E. Heras Rivera , Hitender Oswal , Tianyi Ren , Yutong Pan , William Henry , Caitlin M. Neher , Mehmet Kurt

Structural magnetic resonance imaging (MRI) can be used to detect lesions in the brains of multiple sclerosis (MS) patients. The formation of these lesions is a complex process involving inflammation, tissue damage, and tissue repair, all…

During the diagnosis of ischemic strokes, the Circle of Willis and its surrounding vessels are the arteries of interest. Their visualization in case of an acute stroke is often enabled by Computed Tomography Angiography (CTA). Still, the…

Image and Video Processing · Electrical Eng. & Systems 2022-04-27 Florian Thamm , Markus Jürgens , Oliver Taubmann , Aleksandra Thamm , Leonhard Rist , Hendrik Ditt , Andreas Maier