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In clinical practice, the robustness of deep learning models for multimodal brain tumor segmentation is severely compromised by incomplete MRI data. This vulnerability stems primarily from modality bias, where models exploit spurious…

计算机视觉与模式识别 · 计算机科学 2026-04-16 Bo Liu , Yulong Zou , Jin Hong

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…

计算机视觉与模式识别 · 计算机科学 2024-07-12 Thien-Qua T. Nguyen , Hieu-Nghia Nguyen , Thanh-Hieu Bui , Thien B. Nguyen-Tat , Vuong M. Ngo

Multi-modal brain tumor segmentation typically involves four magnetic resonance imaging (MRI) modalities, while incomplete modalities significantly degrade performance. Existing solutions employ explicit or implicit modality adaptation,…

计算机视觉与模式识别 · 计算机科学 2024-08-19 Kaixiang Yang , Wenqi Shan , Xudong Li , Xuan Wang , Xikai Yang , Xi Wang , Pheng-Ann Heng , Qiang Li , Zhiwei Wang

Existing brain tumor segmentation methods usually utilize multiple Magnetic Resonance Imaging (MRI) modalities in brain tumor images for segmentation, which can achieve better segmentation performance. However, in clinical applications,…

计算机视觉与模式识别 · 计算机科学 2026-01-27 Ming Kang , Fung Fung Ting , Shier Nee Saw , Raphaël C. -W. Phan , Zongyuan Ge , Chee-Ming Ting

The potential for augmenting the segmentation of brain tumors through the use of few-shot learning is vast. Although several deep learning networks (DNNs) demonstrate promising results in terms of segmentation, they require a substantial…

图像与视频处理 · 电气工程与系统科学 2024-01-11 Ahmed Ayman

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…

计算机视觉与模式识别 · 计算机科学 2020-11-11 Agisilaos Chartsias , Giorgos Papanastasiou , Chengjia Wang , Scott Semple , David E. Newby , Rohan Dharmakumar , Sotirios A. Tsaftaris

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

In clinical practice, full imaging is not always feasible, often due to complex acquisition protocols, stringent privacy regulations, or specific clinical needs. However, missing MR modalities pose significant challenges for tasks like…

计算机视觉与模式识别 · 计算机科学 2025-01-23 Aghiles Kebaili , Jérôme Lapuyade-Lahorgue , Pierre Vera , Su Ruan

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…

图像与视频处理 · 电气工程与系统科学 2021-11-02 Md Mahfuzur Rahman Siddiquee , Andriy Myronenko

Incomplete multi-modal medical image segmentation faces critical challenges from modality imbalance, including imbalanced modality missing rates and heterogeneous modality contributions. Due to their reliance on idealized assumptions of…

计算机视觉与模式识别 · 计算机科学 2025-06-16 Libin Lan , Hongxing Li , Zunhui Xia , Yudong Zhang

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…

图像与视频处理 · 电气工程与系统科学 2025-07-25 Yousef Sadegheih , Pratibha Kumari , Dorit Merhof

Machine learning has been widely adopted for medical image analysis in recent years given its promising performance in image segmentation and classification tasks. As a data-driven science, the success of machine learning, in particular…

计算机视觉与模式识别 · 计算机科学 2020-07-06 Chengliang Dai , Shuo Wang , Yuanhan Mo , Kaichen Zhou , Elsa Angelini , Yike Guo , Wenjia Bai

In the realm of medical diagnostics, rapid advancements in Artificial Intelligence (AI) have significantly yielded remarkable improvements in brain tumor segmentation. Encoder-Decoder architectures, such as U-Net, have played a…

计算机视觉与模式识别 · 计算机科学 2025-10-23 Eyad Gad , Seif Soliman , M. Saeed Darweesh

Machine-based brain tumor segmentation can help doctors make better diagnoses. However, the complex structure of brain tumors and expensive pixel-level annotations present challenges for automatic tumor segmentation. In this paper, we…

计算机视觉与模式识别 · 计算机科学 2024-08-05 Ruitao Xie , Limai Jiang , Xiaoxi He , Yi Pan , Yunpeng Cai

Purpose: In this paper, we investigate a framework for interactive brain tumor segmentation which, at its core, treats the problem of interactive brain tumor segmentation as a machine learning problem. Methods: This method has an advantage…

计算机视觉与模式识别 · 计算机科学 2016-05-20 Mohammad Havaei , Hugo Larochelle , Philippe Poulin , Pierre-Marc Jodoin

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…

图像与视频处理 · 电气工程与系统科学 2024-05-24 Muhammad Ansab Butt , Absaar Ul Jabbar

Multi-modal Magnetic Resonance Imaging (MRI) is imperative for accurate brain tumor segmentation, offering indispensable complementary information. Nonetheless, the absence of modalities poses significant challenges in achieving precise…

图像与视频处理 · 电气工程与系统科学 2024-08-27 Zheyu Zhang , Xinzhao Liu , Zheng Chen , Yueyi Zhang , Huanjing Yue , Yunwei Ou , Xiaoyan Sun

Segmenting brain tumors in multi-parametric magnetic resonance imaging enables performing quantitative analysis in support of clinical trials and personalized patient care. This analysis provides the potential to impact clinical…