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We propose a fully 3D multi-path convolutional network to predict stroke lesions from 3D brain MRI images. Our multi-path model has independent encoders for different modalities containing residual convolutional blocks, weighted multi-path…

Image and Video Processing · Electrical Eng. & Systems 2019-11-19 Yunzhe Xue , Meiyan Xie , Fadi G. Farhat , Olga Boukrina , A. M. Barrett , Jeffrey R. Binder , Usman W. Roshan , William W. Graves

Deep learning-based segmentation techniques have shown remarkable performance in brain segmentation, yet their success hinges on the availability of extensive labeled training data. Acquiring such vast datasets, however, poses a significant…

Computer Vision and Pattern Recognition · Computer Science 2024-07-18 Jihoon Cho , Suhyun Ahn , Beomju Kim , Hyungjoon Bae , Xiaofeng Liu , Fangxu Xing , Kyungeun Lee , Georges Elfakhri , Van Wedeen , Jonghye Woo , Jinah Park

Magnetic resonance imaging plays an essential role in clinical diagnosis by acquiring the structural information of biological tissue. Recently, many multi-contrast MRI super-resolution networks achieve good effects. However, most studies…

Image and Video Processing · Electrical Eng. & Systems 2023-01-10 Yiming Liu , Mengxi Zhang , Weiqin Zhang , Bo Jiang , Bo Hou , Dan Liu , Jie Chen , Heqing Lian

Accurate medical image segmentation is essential for diagnosis and treatment planning of diseases. Convolutional Neural Networks (CNNs) have achieved state-of-the-art performance for automatic medical image segmentation. However, they are…

Image and Video Processing · Electrical Eng. & Systems 2020-11-05 Ran Gu , Guotai Wang , Tao Song , Rui Huang , Michael Aertsen , Jan Deprest , Sébastien Ourselin , Tom Vercauteren , Shaoting Zhang

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

Accurate automated detection of recurrent prostate cancer in PSMA PET/CT scans is challenging due to heterogeneous lesion size, activity, anatomical location, and intra- and inter-class imbalances. Conventional deep learning loss functions…

Image and Video Processing · Electrical Eng. & Systems 2026-03-17 Obed Korshie Dzikunu , Shadab Ahamed , Amirhossein Toosi , Xiaoxiao Li , Arman Rahmim

With the introduction of fully convolutional neural networks, deep learning has raised the benchmark for medical image segmentation on both speed and accuracy, and different networks have been proposed for 2D and 3D segmentation with…

Computer Vision and Pattern Recognition · Computer Science 2018-09-26 Ken C. L. Wong , Mehdi Moradi , Hui Tang , Tanveer Syeda-Mahmood

Proper segmentation of organs-at-risk is important for radiation therapy, surgical planning, and diagnostic decision-making in medical image analysis. While deep learning-based segmentation architectures have made significant progress, they…

Computer Vision and Pattern Recognition · Computer Science 2025-09-23 Riad Hassan , M. Rubaiyat Hossain Mondal , Sheikh Iqbal Ahamed , Fahad Mostafa , Md Mostafijur Rahman

Traditional brain lesion segmentation models for multi-modal MRI are typically tailored to specific pathologies, relying on datasets with predefined modalities. Adapting to new MRI modalities or pathologies often requires training separate…

Image and Video Processing · Electrical Eng. & Systems 2025-07-25 Yousef Sadegheih , Pratibha Kumari , Dorit Merhof

Detection and segmentation of the hippocampal structures in volumetric brain images is a challenging problem in the area of medical imaging. In this paper, we propose a two-stage 3D fully convolutional neural network that efficiently…

Computer Vision and Pattern Recognition · Computer Science 2019-02-13 Dengsheng Chen , Wenxi Liu , You Huang , Tong Tong , Yuanlong Yu

Direct automatic segmentation of objects from 3D medical imaging, such as magnetic resonance (MR) imaging, is challenging as it often involves accurately identifying a number of individual objects with complex geometries within a large…

Image and Video Processing · Electrical Eng. & Systems 2021-09-23 Wei Dai , Boyeong Woo , Siyu Liu , Matthew Marques , Craig B. Engstrom , Peter B. Greer , Stuart Crozier , Jason A. Dowling , Shekhar S. Chandra

Segmentation of white matter lesions and deep grey matter structures is an important task in the quantification of magnetic resonance imaging in multiple sclerosis. In this paper we explore segmentation solutions based on convolutional…

The segmentation of substantial brain lesions is a significant and challenging task in the field of medical image segmentation. Substantial brain lesions in brain imaging exhibit high heterogeneity, with indistinct boundaries between lesion…

Computer Vision and Pattern Recognition · Computer Science 2025-08-07 Hongming Wang , Yifeng Wu , Huimin Huang , Hongtao Wu , Jia-Xuan Jiang , Xiaodong Zhang , Hao Zheng , Xian Wu , Yefeng Zheng , Jinping Xu , Jing Cheng

Multi-planar tagged MRI is the gold standard for regional heart wall motion evaluation. However, accurate recovery of the 3D true heart wall motion from a set of 2D apparent motion cues is challenging, due to incomplete sampling of the true…

Image and Video Processing · Electrical Eng. & Systems 2024-12-10 Meng Ye , Bingyu Xin , Bangwei Guo , Leon Axel , Dimitris Metaxas

Semi-supervised learning in medical image segmentation leverages unlabeled data to reduce annotation burdens through consistency learning. However, current methods struggle with class imbalance and high uncertainty from pathology…

Computer Vision and Pattern Recognition · Computer Science 2025-04-08 Maregu Assefa , Muzammal Naseer , Iyyakutti Iyappan Ganapathi , Syed Sadaf Ali , Mohamed L Seghier , Naoufel Werghi

Detecting and delineating tiny targets in 3D brain scans is a central yet under-addressed challenge in medical imaging.In ischemic stroke, for instance, the culprit thrombus is small, low-contrast, and variably expressed across…

Computer Vision and Pattern Recognition · Computer Science 2026-04-02 Sofia Vargas-Ibarra , Vincent Vigneron , Hichem Maaref , Sonia Garcia-Salicetti

Deep learning and multi-modal fusion have demonstrated transformative potential in medical diagnosis by integrating diverse data sources. However, accurate prognosis for ischemic stroke remains challenging due to limitations in existing…

Computer Vision and Pattern Recognition · Computer Science 2026-05-15 Liren Chen , Lidong Sun , Mingyan Huang , Junzhe Tang , Yinghui Zhu , Guanjie Wang , Yiqing Xia , Ting Xiao

Automated brain tissue segmentation into white matter (WM), gray matter (GM), and cerebro-spinal fluid (CSF) from magnetic resonance images (MRI) is helpful in the diagnosis of neuro-disorders such as epilepsy, Alzheimer's, multiple…

Computer Vision and Pattern Recognition · Computer Science 2018-06-13 Pulkit Kumar , Pravin Nagar , Chetan Arora , Anubha Gupta

Dynamic functional connectivity (dFC) using resting-state functional magnetic resonance imaging (rs-fMRI) is an advanced technique for capturing the dynamic changes of neural activities, and can be very useful in the studies of brain…

Image and Video Processing · Electrical Eng. & Systems 2025-01-29 Jing Zhang , Yanjun Lyu , Xiaowei Yu , Lu Zhang , Chao Cao , Tong Chen , Minheng Chen , Yan Zhuang , Tianming Liu , Dajiang Zhu

Segmenting left atrium in MR volume holds great potentials in promoting the treatment of atrial fibrillation. However, the varying anatomies, artifacts and low contrasts among tissues hinder the advance of both manual and automated…

Computer Vision and Pattern Recognition · Computer Science 2018-12-17 Xin Yang , Na Wang , Yi Wang , Xu Wang , Reza Nezafat , Dong Ni , Pheng-Ann Heng