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Accurate delineation of acute ischemic stroke lesions in MRI is a key component of stroke diagnosis and management. In recent years, deep learning models have been successfully applied to the automatic segmentation of such lesions. While…

Computer Vision and Pattern Recognition · Computer Science 2026-01-14 Vincent Roca , Martin Bretzner , Hilde Henon , Laurent Puy , Grégory Kuchcinski , Renaud Lopes

Ischemic stroke occurs through a blockage of clogged blood vessels supplying blood to the brain. Segmentation of the stroke lesion is vital to improve diagnosis, outcome assessment and treatment planning. In this work, we propose a…

Image and Video Processing · Electrical Eng. & Systems 2022-04-12 Mobarakol Islam , N Rajiv Vaidyanathan , V Jeya Maria Jose , Hongliang Ren

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

In this paper, an automatic algorithm aimed at volumetric segmentation of acute ischemic stroke lesion in non-contrast computed tomography brain 3D images is proposed. Our deep-learning approach is based on the popular 3D U-Net…

Image and Video Processing · Electrical Eng. & Systems 2023-10-31 A. V. Dobshik , S. K. Verbitskiy , I. A. Pestunov , K. M. Sherman , Yu. N. Sinyavskiy , A. A. Tulupov , V. B. Berikov

Stroke is the second most common cause of death in developed countries, where rapid clinical intervention can have a major impact on a patient's life. To perform the revascularization procedure, the decision making of physicians considers…

Computer Vision and Pattern Recognition · Computer Science 2018-09-25 Adriano Pinto , Sergio Pereira , Raphael Meier , Victor Alves , Roland Wiest , Carlos A. Silva , Mauricio Reyes

Radiologists use various imaging modalities to aid in different tasks like diagnosis of disease, lesion visualization, surgical planning and prognostic evaluation. Most of these tasks rely on the the accurate delineation of the anatomical…

Image and Video Processing · Electrical Eng. & Systems 2019-08-22 Ronnie Rajan , Rachana Sathish , Debdoot Sheet

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

This paper proposes a high-precision semantic segmentation method based on an improved TransUNet architecture to address the challenges of complex lesion structures, blurred boundaries, and significant scale variations in skin lesion…

Image and Video Processing · Electrical Eng. & Systems 2025-08-21 Xin Wang , Xiaopei Zhang , Xingang Wang

A major challenge in stroke research and stroke recovery predictions is the determination of a stroke lesion's extent and its impact on relevant brain systems. Manual segmentation of stroke lesions from 3D magnetic resonance (MR) imaging…

Image and Video Processing · Electrical Eng. & Systems 2023-06-21 Sovesh Mohapatra , Advait Gosai , Anant Shinde , Aleksei Rutkovskii , Sirisha Nouduri , Gottfried Schlaug

Ischaemic stroke is a medical condition caused by occlusion of blood supply to the brain tissue thus forming a lesion. A lesion is zoned into a core associated with irreversible necrosis typically located at the center of the lesion, while…

Image and Video Processing · Electrical Eng. & Systems 2019-08-06 Rachana Sathish , Ronnie Rajan , Anusha Vupputuri , Nirmalya Ghosh , Debdoot Sheet

Stroke segmentation plays a crucial role in the diagnosis and treatment of stroke patients by providing spatial information about affected brain regions and the extent of damage. Segmenting stroke lesions accurately is a challenging task,…

Image and Video Processing · Electrical Eng. & Systems 2024-11-19 Yalda Zafari-Ghadim , Ahmed Soliman , Yousif Yousif , Ahmed Ibrahim , Essam A. Rashed , Mohamed Mabrok

Automatic medical image segmentation has made great progress benefit from the development of deep learning. However, most existing methods are based on convolutional neural networks (CNNs), which fail to build long-range dependencies and…

Computer Vision and Pattern Recognition · Computer Science 2021-06-15 Ailiang Lin , Bingzhi Chen , Jiayu Xu , Zheng Zhang , Guangming Lu

Understanding the morphological structure of medical images and precisely segmenting the region of interest or abnormality is an important task that can assist in diagnosis. However, the unique properties of medical imaging make clear…

Computer Vision and Pattern Recognition · Computer Science 2024-09-04 Sungmin Kang , Jaeha Song , Jihie Kim

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

Image-to-Image translation models can help mitigate various challenges inherent to medical image acquisition. Latent diffusion models (LDMs) leverage efficient learning in compressed latent space and constitute the core of state-of-the-art…

Computer Vision and Pattern Recognition · Computer Science 2025-10-13 Junhyeok Lee , Hyunwoong Kim , Hyungjin Chung , Heeseong Eom , Joon Jang , Chul-Ho Sohn , Kyu Sung Choi

Precise ischemic lesion segmentation plays an essential role in improving diagnosis and treatment planning for ischemic stroke, one of the prevalent diseases with the highest mortality rate. While numerous deep neural network approaches…

Image and Video Processing · Electrical Eng. & Systems 2023-12-06 Luca Tomasetti , Stine Hansen , Mahdieh Khanmohammadi , Kjersti Engan , Liv Jorunn Høllesli , Kathinka Dæhli Kurz , Michael Kampffmeyer

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

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

Recent advances in automated skin cancer diagnosis have yielded performance on par with board-certified dermatologists. However, these approaches formulated skin cancer diagnosis as a simple classification task, dismissing the potential…

Image and Video Processing · Electrical Eng. & Systems 2021-12-06 Jingye Chen , Jieneng Chen , Zongwei Zhou , Bin Li , Alan Yuille , Yongyi Lu

In this paper, we demonstrate the feasibility and performance of deep residual neural networks for volumetric segmentation of irreversibly damaged brain tissue lesions on T1-weighted MRI scans for chronic stroke patients. A total of 239…

Image and Video Processing · Electrical Eng. & Systems 2019-11-27 Naofumi Tomita , Steven Jiang , Matthew E. Maeder , Saeed Hassanpour