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Related papers: Domain-Agnostic Stroke Lesion Segmentation Using P…

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Clinical outcome prediction plays an important role in stroke patient management. From a machine learning point-of-view, one of the main challenges is dealing with heterogeneous data at patient admission, i.e. the image data which are…

Image and Video Processing · Electrical Eng. & Systems 2022-05-12 Nima Hatami , Tae-Hee Cho , Laura Mechtouff , Omer Faruk Eker , David Rousseau , Carole Frindel

Diffusion-weighted (DW) magnetic resonance imaging is essential for the diagnosis and treatment of ischemic stroke. DW images (DWIs) are usually acquired in multi-slice settings where lesion areas in two consecutive 2D slices are highly…

Image and Video Processing · Electrical Eng. & Systems 2023-05-31 Yanglan Ou , Ye Yuan , Xiaolei Huang , Kelvin Wong , John Volpi , James Z. Wang , Stephen T. C. Wong

Segmentation of structural and diffusion MRI (sMRI/dMRI) is usually performed independently in neuroimaging pipelines. However, some brain structures (e.g., globus pallidus, thalamus and its nuclei) can be extracted more accurately by…

Computer Vision and Pattern Recognition · Computer Science 2019-03-12 Juan Eugenio Iglesias , Koen Van Leemput , Polina Golland , Anastasia Yendiki

Lesion segmentation is an important problem in computer-assisted diagnosis that remains challenging due to the prevalence of low contrast, irregular boundaries that are unamenable to shape priors. We introduce Deep Active Lesion…

Image and Video Processing · Electrical Eng. & Systems 2020-09-01 Ali Hatamizadeh , Assaf Hoogi , Debleena Sengupta , Wuyue Lu , Brian Wilcox , Daniel Rubin , Demetri Terzopoulos

Recently, increasing attention has been drawn to training semantic segmentation models using synthetic data and computer-generated annotation. However, domain gap remains a major barrier and prevents models learned from synthetic data from…

Computer Vision and Pattern Recognition · Computer Science 2019-01-15 Yuhua Chen , Wen Li , Xiaoran Chen , Luc Van Gool

Synthetic cardiac MRI (CMRI) generation has emerged as a promising strategy to overcome the scarcity of annotated medical imaging data. Recent advances in GANs, VAEs, diffusion probabilistic models, and flow-matching techniques aim to…

Computer Vision and Pattern Recognition · Computer Science 2026-03-27 Ishan Kumarasinghe , Dasuni Kawya , Madhura Edirisooriya , Isuri Devindi , Isuru Nawinne , Vajira Thambawita

Magnetic resonance images (MRI) play an important role in supporting and substituting clinical information in the diagnosis of multiple sclerosis (MS) disease by presenting lesion in brain MR images. In this paper, an algorithm for MS…

Image and Video Processing · Electrical Eng. & Systems 2018-04-11 Saba Heidari Gheshlaghi , Abolfazl Madani , AmirAbolfazl Suratgar , Fardin Faraji

Data augmentation can effectively resolve a scarcity of images when training machine-learning algorithms. It can make them more robust to unseen images. We present a lesion conditional Generative Adversarial Network LcGAN to generate…

Image and Video Processing · Electrical Eng. & Systems 2020-08-10 Manohar Karki , Junghwan Cho , Seokhwan Ko

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

Medical image segmentation plays a crucial role in clinical workflows, but domain shift often leads to performance degradation when models are applied to unseen clinical domains. This challenge arises due to variations in imaging…

Computer Vision and Pattern Recognition · Computer Science 2025-08-01 Yingkai Wang , Yaoyao Zhu , Xiuding Cai , Yuhao Xiao , Haotian Wu , Yu Yao

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

Owing to the inherently dynamic and complex characteristics of cardiac magnetic resonance (CMR) imaging, high-quality and diverse k-space data are rarely available in practice, which in turn hampers robust reconstruction of dynamic cardiac…

Computer Vision and Pattern Recognition · Computer Science 2025-09-10 Guan Yu , Zhang Jianhua , Liang Dong , Liu Qiegen

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

Few-shot Medical Image Segmentation (FSMIS) is a more promising solution for medical image segmentation tasks where high-quality annotations are naturally scarce. However, current mainstream methods primarily focus on extracting holistic…

Computer Vision and Pattern Recognition · Computer Science 2023-09-21 Yazhou Zhu , Shidong Wang , Tong Xin , Zheng Zhang , Haofeng Zhang

Quantitative susceptibility mapping (QSM) is a magnetic resonance imaging (MRI) technique that estimates magnetic susceptibility of tissue from Larmor frequency offset measurements. The generation of QSM requires solving a challenging…

Medical Physics · Physics 2020-08-18 Juan Liu , Kevin M. Koch

A lack of generalizability is one key limitation of deep learning based segmentation. Typically, one manually labels new training images when segmenting organs in different imaging modalities or segmenting abnormal organs from distinct…

Computer Vision and Pattern Recognition · Computer Science 2017-12-22 Yuankai Huo , Zhoubing Xu , Shunxing Bao , Albert Assad , Richard G. Abramson , Bennett A. Landman

Accurate synthesis of computed tomography (CT) images from magnetic resonance imaging (MRI) is clinically valuable for cranial applications such as attenuation correction, radiotherapy planning, and image-guided interventions. However,…

Image and Video Processing · Electrical Eng. & Systems 2026-05-05 Zhuoyao Xin , Yiren Zhang , Christopher Wu , Dong Liu , Chunming Gu , Elena Greco , Erik H. Middlebrooks , Jun Hua , Jia Guo

This paper explores the use of a soft ground-truth mask ("soft mask'') to train a Fully Convolutional Neural Network (FCNN) for segmentation of Multiple Sclerosis (MS) lesions. Detection and segmentation of MS lesions is a complex task…

Computer Vision and Pattern Recognition · Computer Science 2019-01-29 Eytan Kats , Jacob Goldberger , Hayit Greenspan

Generative AI models hold great potential in creating synthetic brain MRIs that advance neuroimaging studies by, for example, enriching data diversity. However, the mainstay of AI research only focuses on optimizing the visual quality (such…

Image and Video Processing · Electrical Eng. & Systems 2023-10-10 Wei Peng , Tomas Bosschieter , Jiahong Ouyang , Robert Paul , Ehsan Adeli , Qingyu Zhao , Kilian M. Pohl

Generative Adversarial Networks (GANs) have the capability of synthesizing images, which have been successfully applied to medical image synthesis tasks. However, most of existing methods merely consider the global contextual information…

Computer Vision and Pattern Recognition · Computer Science 2019-08-14 Tianyang Zhang , Huazhu Fu , Yitian Zhao , Jun Cheng , Mengjie Guo , Zaiwang Gu , Bing Yang , Yuting Xiao , Shenghua Gao , Jiang Liu