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Existing segmentation models trained on a single medical imaging dataset often lack robustness when encountering unseen organs or tumors. Developing a robust model capable of identifying rare or novel tumor categories not present during…

Computer Vision and Pattern Recognition · Computer Science 2025-07-02 Rong Wu , Ziqi Chen , Liming Zhong , Heng Li , Hai Shu

Magnetic resonance (MR) protocols rely on several sequences to assess pathology and organ status properly. Despite advances in image analysis, we tend to treat each sequence, here termed modality, in isolation. Taking advantage of the…

Computer Vision and Pattern Recognition · Computer Science 2020-11-11 Agisilaos Chartsias , Giorgos Papanastasiou , Chengjia Wang , Scott Semple , David E. Newby , Rohan Dharmakumar , Sotirios A. Tsaftaris

Automated segmentation of brain tumors from 3D magnetic resonance images (MRIs) is necessary for the diagnosis, monitoring, and treatment planning of the disease. Manual delineation practices require anatomical knowledge, are expensive,…

Computer Vision and Pattern Recognition · Computer Science 2018-11-20 Andriy Myronenko

Multimodal 3D MRI brain tumor segmentation is a pivotal step in radiotherapy target delineation, surgical planning and post-treatment assessment. Existing methods often assume artifact-free MRI images. However, inevitable patient motion…

Image and Video Processing · Electrical Eng. & Systems 2026-05-18 Yuchun Wang , Xiaosong Li , Gefei Liang , Yang Liu

This research presents an enhanced approach for precise segmentation of brain tumor masses in magnetic resonance imaging (MRI) using an advanced 3D-UNet model combined with a Context Transformer (CoT). By architectural expansion CoT, the…

Computer Vision and Pattern Recognition · Computer Science 2024-07-12 Thien-Qua T. Nguyen , Hieu-Nghia Nguyen , Thanh-Hieu Bui , Thien B. Nguyen-Tat , Vuong M. Ngo

Multimodal MRI is essential for brain tumor segmentation, yet missing modalities in clinical practice cause existing methods to exhibit >40% performance variance across modality combinations, rendering them clinically unreliable. We propose…

Image and Video Processing · Electrical Eng. & Systems 2026-01-28 Chengxiang Guo , Jian Wang , Junhua Fei , Xiao Li , Chunling Chen , Yun Jin

Another year of the multimodal brain tumor segmentation challenge (BraTS) 2021 provides an even larger dataset to facilitate collaboration and research of brain tumor segmentation methods, which are necessary for disease analysis and…

Image and Video Processing · Electrical Eng. & Systems 2021-11-02 Md Mahfuzur Rahman Siddiquee , Andriy Myronenko

The accurate automatic segmentation of gliomas and its intra-tumoral structures is important not only for treatment planning but also for follow-up evaluations. Several methods based on 2D and 3D Deep Neural Networks (DNN) have been…

Image and Video Processing · Electrical Eng. & Systems 2020-01-28 Parth Natekar , Avinash Kori , Ganapathy Krishnamurthi

The successful adaptation of foundation models to multi-modal medical imaging is a critical yet unresolved challenge. Existing models often struggle to effectively fuse information from multiple sources and adapt to the heterogeneous nature…

Computer Vision and Pattern Recognition · Computer Science 2026-01-23 Shadi Alijani , Fereshteh Aghaee Meibodi , Homayoun Najjaran

Learning based on multimodal data has attracted increasing interest recently. While a variety of sensory modalities can be collected for training, not all of them are always available in development scenarios, which raises the challenge to…

Computer Vision and Pattern Recognition · Computer Science 2025-07-30 Shicai Wei , Yang Luo , Chunbo Luo

The field of computer vision is undergoing a paradigm shift toward large-scale foundation model pre-training via self-supervised learning (SSL). Leveraging large volumes of unlabeled brain MRI data, such models can learn anatomical priors…

Image and Video Processing · Electrical Eng. & Systems 2026-01-15 Petros Koutsouvelis , Matej Gazda , Leroy Volmer , Sina Amirrajab , Kamil Barbierik , Branislav Setlak , Jakub Gazda , Peter Drotar

Segmentation of brain tumors is a critical step in treatment planning, yet manual segmentation is both time-consuming and subjective, relying heavily on the expertise of radiologists. In Sub-Saharan Africa, this challenge is magnified by…

Automated brain tumour segmentation has the potential of making a massive improvement in disease diagnosis, surgery, monitoring and surveillance. However, this task is extremely challenging. Here, we describe our automated segmentation…

Image and Video Processing · Electrical Eng. & Systems 2020-05-13 Indrajit Mazumdar

Automatic segmentation is essential for the brain tumor diagnosis, disease prognosis, and follow-up therapy of patients with gliomas. Still, accurate detection of gliomas and their sub-regions in multimodal MRI is very challenging due to…

Image and Video Processing · Electrical Eng. & Systems 2022-12-20 Ramy A. Zeineldin , Mohamed E. Karar , Oliver Burgert , Franziska Mathis-Ullrich

A cascade of fully convolutional neural networks is proposed to segment multi-modal Magnetic Resonance (MR) images with brain tumor into background and three hierarchical regions: whole tumor, tumor core and enhancing tumor core. The…

Computer Vision and Pattern Recognition · Computer Science 2018-07-23 Guotai Wang , Wenqi Li , Sebastien Ourselin , Tom Vercauteren

Automated breast tumor segmentation on the basis of dynamic contrast-enhancement magnetic resonance imaging (DCE-MRI) has shown great promise in clinical practice, particularly for identifying the presence of breast disease. However,…

Image and Video Processing · Electrical Eng. & Systems 2024-08-13 Lei Zhou , Yuzhong Zhang , Jiadong Zhang , Xuejun Qian , Chen Gong , Kun Sun , Zhongxiang Ding , Xing Wang , Zhenhui Li , Zaiyi Liu , Dinggang Shen

This paper proposes a 3D attention-based U-Net architecture for multi-region segmentation of brain tumors using a single stacked multi-modal volume created by combining three non-native MRI volumes. The attention mechanism added to the…

Image and Video Processing · Electrical Eng. & Systems 2023-05-11 Maryann M. Gitonga

As the world progresses in technology and health, awareness of disease by revealing asymptomatic signs improves. It is important to detect and treat tumors in early stage as it can be life-threatening. Computer-aided technologies are used…

Image and Video Processing · Electrical Eng. & Systems 2023-07-27 Roa'a Al-Emaryeen , Sara Al-Nahhas , Fatima Himour , Waleed Mahafza , Omar Al-Kadi

Brain tumor segmentation is a critical task in medical image analysis, aiding in the diagnosis and treatment planning of brain tumor patients. The importance of automated and accurate brain tumor segmentation cannot be overstated. It…

Image and Video Processing · Electrical Eng. & Systems 2024-05-24 Muhammad Ansab Butt , Absaar Ul Jabbar

Multimodal fusion leverages information across modalities to learn better feature representations with the goal of improving performance in fusion-based tasks. However, multimodal datasets, especially in medical settings, are typically…

Machine Learning · Computer Science 2025-02-05 Alejandro Guerra-Manzanares , Farah E. Shamout