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Due to the difficulties of obtaining multimodal paired images in clinical practice, recent studies propose to train brain tumor segmentation models with unpaired images and capture complementary information through modality translation.…

计算机视觉与模式识别 · 计算机科学 2022-08-29 Zecheng Liu , Jia Wei , Rui Li

Accurate brain tumor segmentation from multi-modal magnetic resonance imaging (MRI) is a prerequisite for precise radiotherapy planning and surgical navigation. While recent Transformer-based models such as Swin UNETR have achieved…

计算机视觉与模式识别 · 计算机科学 2026-01-27 Yan Zhou , Zhen Huang , Yingqiu Li , Yue Ouyang , Suncheng Xiang , Zehua Wang

The complex heterogeneity of brain tumours is increasingly recognized to demand data of magnitudes and richness only fully-inclusive, large-scale collections drawn from routine clinical care could plausibly offer. This is a task…

计算机视觉与模式识别 · 计算机科学 2023-05-01 James K Ruffle , Samia Mohinta , Robert J Gray , Harpreet Hyare , Parashkev Nachev

Brain tumor segmentation is essential for diagnosis and treatment planning, yet many CNN and U-Net based approaches produce noisy boundaries in regions of tumor infiltration. We introduce UAMSA-UNet, an Uncertainty-Aware Multi-Scale…

计算机视觉与模式识别 · 计算机科学 2026-01-15 Satyaki Roy Chowdhury , Golrokh Mirzaei

Recent learning-based approaches have made astonishing advances in calibrated medical imaging like computerized tomography (CT), yet they struggle to generalize in uncalibrated modalities -- notably magnetic resonance (MR) imaging, where…

计算机视觉与模式识别 · 计算机科学 2025-09-03 Peirong Liu , Oula Puonti , Xiaoling Hu , Karthik Gopinath , Annabel Sorby-Adams , Daniel C. Alexander , W. Taylor Kimberly , Juan E. Iglesias

Multi-modal brain tumor segmentation remains challenging for practical deployment due to the high computational costs of mainstream models. In this work, we propose GMLN-BTS, a Graph-based Multi-modal interaction Lightweight Network for…

图像与视频处理 · 电气工程与系统科学 2026-03-06 Guohao Huo , Ruiting Dai , Zitong Wang , Junxin Kong , Hao Tang

Segmentation of tumors in brain MRI images is a challenging task, where most recent methods demand large volumes of data with pixel-level annotations, which are generally costly to obtain. In contrast, image-level annotations, where only…

图像与视频处理 · 电气工程与系统科学 2019-11-07 Sergey Pavlov , Alexey Artemov , Maksim Sharaev , Alexander Bernstein , Evgeny Burnaev

Accurate brain tumor diagnosis relies on the assessment of multiple Magnetic Resonance Imaging (MRI) sequences. However, in clinical practice, the acquisition of certain sequences may be affected by factors like motion artifacts or contrast…

图像与视频处理 · 电气工程与系统科学 2025-05-30 Moinak Bhattacharya , Saumya Gupta , Annie Singh , Chao Chen , Gagandeep Singh , Prateek Prasanna

Brain MRI scans are often found in four modalities, consisting of T1-weighted with and without contrast enhancement (T1ce and T1w), T2-weighted imaging (T2w), and Flair. Leveraging complementary information from these different modalities…

图像与视频处理 · 电气工程与系统科学 2025-09-22 Bhavesh Sandbhor , Bheeshm Sharma , Balamurugan Palaniappan

Segmentation models are important tools for the detection and analysis of lesions in brain MRI. Depending on the type of brain pathology that is imaged, MRI scanners can acquire multiple, different image modalities (contrasts). Most…

计算机视觉与模式识别 · 计算机科学 2025-09-12 Anthony P. Addison , Felix Wagner , Wentian Xu , Natalie Voets , Konstantinos Kamnitsas

Multi-modal fusion is of great significance in neuroscience which integrates information from different modalities and can achieve better performance than uni-modal methods in downstream tasks. Current multi-modal fusion methods in brain…

人工智能 · 计算机科学 2026-04-03 Rui Dong , Xiaotong Zhang , Jiaxing Li , Yueying Li , Jiayin Wei , Youyong Kong

Simultaneous multi-index quantification, segmentation, and uncertainty estimation of liver tumors on multi-modality non-contrast magnetic resonance imaging (NCMRI) are crucial for accurate diagnosis. However, existing methods lack an…

图像与视频处理 · 电气工程与系统科学 2023-07-06 Xiaojiao Xiao , Qinmin Hu , Guanghui Wang

Accurate segmentation of laryngo-pharyngeal tumors is crucial for precise diagnosis and effective treatment planning. However, traditional single-modality imaging methods often fall short of capturing the complex anatomical and pathological…

图像与视频处理 · 电气工程与系统科学 2025-08-26 Junhao Wu , Yun Li , Junhao Li , Jingliang Bian , Xiaomao Fan , Wenbin Lei , Ruxin Wang

Background: Glioma is the most common brain malignant tumor, with a high morbidity rate and a mortality rate of more than three percent, which seriously endangers human health. The main method of acquiring brain tumors in the clinic is MRI.…

人工智能 · 计算机科学 2021-07-27 Xi Guan , Guang Yang , Jianming Ye , Weiji Yang , Xiaomei Xu , Weiwei Jiang , Xiaobo Lai

Multimodal neuroimaging provides complementary structural and functional insights into both human brain organization and disease-related dynamics. Recent studies demonstrate enhanced diagnostic sensitivity for Alzheimer's disease (AD)…

多媒体 · 计算机科学 2025-04-24 Yuxiang Wei , Yanteng Zhang , Xi Xiao , Tianyang Wang , Xiao Wang , Vince D. Calhoun

Accurate and efficient brain tumor segmentation remains a critical challenge in neuroimaging due to the heterogeneous nature of tumor subregions and the high computational cost of volumetric inference. In this paper, we propose…

计算机视觉与模式识别 · 计算机科学 2025-08-05 Fatemeh Ziaeetabar

Unsupervised anomaly detection (UAD) presents a complementary alternative to supervised learning for brain tumor segmentation in magnetic resonance imaging (MRI), particularly when annotated datasets are limited, costly, or inconsistent. In…

计算机视觉与模式识别 · 计算机科学 2025-10-20 Gerard Comas-Quiles , Carles Garcia-Cabrera , Julia Dietlmeier , Noel E. O'Connor , Ferran Marques

Multimodal learning mimics the reasoning process of the human multi-sensory system, which is used to perceive the surrounding world. While making a prediction, the human brain tends to relate crucial cues from multiple sources of…

计算机视觉与模式识别 · 计算机科学 2021-06-29 Lang Su , Chuqing Hu , Guofa Li , Dongpu Cao

Most of the current state-of-the-art methods for tumor segmentation are based on machine learning models trained on manually segmented images. This type of training data is particularly costly, as manual delineation of tumors is not only…

计算机视觉与模式识别 · 计算机科学 2019-08-21 Pawel Mlynarski , Hervé Delingette , Antonio Criminisi , Nicholas Ayache

Early-stage 3D brain tumor segmentation from magnetic resonance imaging (MRI) scans is crucial for prompt and effective treatment. However, this process faces the challenge of precise delineation due to the tumors' complex heterogeneity.…

图像与视频处理 · 电气工程与系统科学 2024-11-26 Ebtihal J. Alwadee , Xianfang Sun , Yipeng Qin , Frank C. Langbein