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Multimodal magnetic resonance imaging (MRI) is crucial for brain tumor segmentation, with many methods leveraging its four key modalities to capture complementary information for effective sub-region analysis. However, the absence of…

人工智能 · 计算机科学 2026-05-19 Sha Tao , Jiao Pan , Yu Guo , Chao Yao

Multimodal MRI provides critical complementary information for accurate brain tumor segmentation. However, conventional methods struggle when certain modalities are missing due to issues such as image quality, protocol inconsistencies,…

计算机视觉与模式识别 · 计算机科学 2025-07-03 Runze Cheng , Xihang Qiu , Ming Li , Ye Zhang , Chun Li , Fei Yu

Medical imaging is a cornerstone of therapy and diagnosis in modern medicine. However, the choice of imaging modality for a particular theranostic task typically involves trade-offs between the feasibility of using a particular modality…

计算机视觉与模式识别 · 计算机科学 2022-07-22 Mayur Mallya , Ghassan Hamarneh

Semi-supervised learning (SSL) has become a promising direction for medical image segmentation, enabling models to learn from limited labeled data alongside abundant unlabeled samples. However, existing SSL approaches for multi-modal…

计算机视觉与模式识别 · 计算机科学 2025-12-11 Tien-Dat Chung , Ba-Thinh Lam , Thanh-Huy Nguyen , Thien Nguyen , Nguyen Lan Vi Vu , Hoang-Loc Cao , Phat Kim Huynh , Min Xu

Multimodal magnetic resonance imaging (MRI) provides complementary information for sub-region analysis of brain tumors. Plenty of methods have been proposed for automatic brain tumor segmentation using four common MRI modalities and…

图像与视频处理 · 电气工程与系统科学 2023-03-10 Hong Liu , Dong Wei , Donghuan Lu , Jinghan Sun , Liansheng Wang , Yefeng Zheng

Brain tumors in magnetic resonance imaging (MR) are difficult, time-consuming, and prone to human error. These challenges can be resolved by developing automatic brain tumor segmentation methods from MR images. Various deep-learning models…

图像与视频处理 · 电气工程与系统科学 2024-08-23 Subin Sahayam , John Michael Sujay Zakkam , Yoga Sri Varshan , Umarani Jayaraman

Multimodal Magnetic Resonance Imaging (MRI) provides essential complementary information for analyzing brain tumor subregions. While methods using four common MRI modalities for automatic segmentation have shown success, they often face…

图像与视频处理 · 电气工程与系统科学 2024-11-14 Runze Cheng , Zhongao Sun , Ye Zhang , Chun Li

Background and objective: Employing deep learning models in critical domains such as medical imaging poses challenges associated with the limited availability of training data. We present a strategy for improving the performance and…

计算机视觉与模式识别 · 计算机科学 2024-03-27 Eva Pachetti , Sotirios A. Tsaftaris , Sara Colantonio

Semi-supervised learning addresses the issue of limited annotations in medical images effectively, but its performance is often inadequate for complex backgrounds and challenging tasks. Multi-modal fusion methods can significantly improve…

计算机视觉与模式识别 · 计算机科学 2025-06-23 Dongdong Meng , Sheng Li , Hao Wu , Guoping Wang , Xueqing Yan

Malignant brain tumors have become an aggressive and dangerous disease that leads to death worldwide.Multi-modal MRI data is crucial for accurate brain tumor segmentation, but missing modalities common in clinical practice can severely…

统计方法学 · 统计学 2025-07-11 Guoyan Liang , Qin Zhou , Jingyuan Chen , Bingcang Huang , Kai Chen , Lin Gu , Zhe Wang , Sai Wu , Chang Yao

We propose a new deep learning method for tumour segmentation when dealing with missing imaging modalities. Instead of producing one network for each possible subset of observed modalities or using arithmetic operations to combine feature…

图像与视频处理 · 电气工程与系统科学 2019-10-22 Reuben Dorent , Samuel Joutard , Marc Modat , Sébastien Ourselin , Tom Vercauteren

Liver cancer is one of the most common cancers worldwide. Due to inconspicuous texture changes of liver tumor, contrast-enhanced computed tomography (CT) imaging is effective for the diagnosis of liver cancer. In this paper, we focus on…

图像与视频处理 · 电气工程与系统科学 2021-07-22 Yao Zhang , Jiawei Yang , Jiang Tian , Zhongchao Shi , Cheng Zhong , Yang Zhang , Zhiqiang He

A key challenge in learning from multimodal biological data is missing modalities, where data from one or more modalities are absent for some patients. Existing approaches either exclude patients with missing modalities, impute missing…

机器学习 · 计算机科学 2026-05-19 Sina Tabakhi , Chen , Chen , Haiping Lu

Combining images from multi-modalities is beneficial to explore various information in computer vision, especially in the medical domain. As an essential part of clinical diagnosis, multi-modal brain tumor segmentation aims to delineate the…

计算机视觉与模式识别 · 计算机科学 2024-03-05 Zhongzhen Huang , Linda Wei , Shaoting Zhang , Xiaofan Zhang

Deep learning has been widely accepted as a promising solution for medical image segmentation, given a sufficiently large representative dataset of images with corresponding annotations. With ever increasing amounts of annotated medical…

计算机视觉与模式识别 · 计算机科学 2019-03-19 Firat Ozdemir , Philipp Fuernstahl , Orcun Goksel

Brain metastasis segmentation poses a significant challenge in medical imaging due to the complex presentation and variability in size and location of metastases. In this study, we first investigate the impact of different imaging…

图像与视频处理 · 电气工程与系统科学 2024-07-22 Yousef Sadegheih , Dorit Merhof

Brain tumor segmentation based on multi-modal magnetic resonance imaging (MRI) plays a pivotal role in assisting brain cancer diagnosis, treatment, and postoperative evaluations. Despite the achieved inspiring performance by existing…

图像与视频处理 · 电气工程与系统科学 2022-11-16 Haoran Li , Cheng Li , Weijian Huang , Xiawu Zheng , Yan Xi , Shanshan Wang

Deep learning has shown promising contributions in medical image segmentation with powerful learning and feature representation abilities. However, it has limitations for reasoning with and combining imperfect (imprecise, uncertain, and…

计算机视觉与模式识别 · 计算机科学 2023-09-13 Ling Huang

Accurate medical image segmentation commonly requires effective learning of the complementary information from multimodal data. However, in clinical practice, we often encounter the problem of missing imaging modalities. We tackle this…

计算机视觉与模式识别 · 计算机科学 2020-02-25 Cheng Chen , Qi Dou , Yueming Jin , Hao Chen , Jing Qin , Pheng-Ann Heng

Using multimodal Magnetic Resonance Imaging (MRI) is necessary for accurate brain tumor segmentation. The main problem is that not all types of MRIs are always available in clinical exams. Based on the fact that there is a strong…

图像与视频处理 · 电气工程与系统科学 2021-11-11 Tongxue Zhou , Stéphane Canu , Pierre Vera , Su Ruan