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In MRI, images of the same contrast (e.g., T$_1$) from the same subject can exhibit noticeable differences when acquired using different hardware, sequences, or scan parameters. These differences in images create a domain gap that needs to…

图像与视频处理 · 电气工程与系统科学 2023-08-17 Hwihun Jeong , Heejoon Byun , Dong Un Kang , Jongho Lee

Aggregating multi-site brain MRI data can enhance deep learning model training, but also introduces non-biological heterogeneity caused by site-specific variations (e.g., differences in scanner vendors, acquisition parameters, and imaging…

计算机视觉与模式识别 · 计算机科学 2026-01-14 Mengqi Wu , Yongheng Sun , Qianqian Wang , Pew-Thian Yap , Mingxia Liu

Magnetic resonance imaging (MRI) has greatly advanced neuroscience research and clinical diagnostics. However, imaging data collected across different scanners, acquisition protocols, or imaging sites often exhibit substantial…

图像与视频处理 · 电气工程与系统科学 2026-04-02 Qinqin Yang , Firoozeh Shomal-Zadeh , Ali Gholipour

In MRI, variations in scan parameters, sequence, or hardware can lead to discrepancies in image appearance, even for the same subject. These inconsistencies, known as domain shifts, can hinder image analysis and degrade the performance of…

图像与视频处理 · 电气工程与系统科学 2026-05-05 Minjun Kim , Dong Ju Mun , Hwihun Jeong , Hangyeol Park , Haechang Lee , Se Young Chun , Jongho Lee

Multisequence Magnetic Resonance Imaging (MRI) provides a more reliable diagnosis in clinical applications through complementary information across sequences. However, in practice, the absence of certain MR sequences is a common problem…

图像与视频处理 · 电气工程与系统科学 2025-10-21 Jihoon Cho , Jonghye Woo , Jinah Park

If unaligned multimodal medical images can be simultaneously aligned and fused using a single-stage approach within a unified processing framework, it will not only achieve mutual promotion of dual tasks but also help reduce the complexity…

图像与视频处理 · 电气工程与系统科学 2024-12-16 Huafeng Li , Dayong Su , Qing Cai , Yafei Zhang

Synthesizing medical images while preserving their structural information is crucial in medical research. In such scenarios, the preservation of anatomical content becomes especially important. Although recent advances have been made by…

图像与视频处理 · 电气工程与系统科学 2024-11-14 Ziqi Yu , Botao Zhao , Shengjie Zhang , Xiang Chen , Jianfeng Feng , Tingying Peng , Xiao-Yong Zhang

Lack of standardization and various intrinsic parameters for magnetic resonance (MR) image acquisition results in heterogeneous images across different sites and devices, which adversely affects the generalization of deep neural networks.…

Multiple medical institutions collaboratively training a model using federated learning (FL) has become a promising solution for maximizing the potential of data-driven models, yet the non-independent and identically distributed (non-iid)…

图像与视频处理 · 电气工程与系统科学 2022-04-26 Meirui Jiang , Zirui Wang , Qi Dou

Accurate medical image segmentation requires both long-range contextual reasoning and precise boundary delineation, a task where existing transformer- and diffusion-based paradigms are frequently bottlenecked by quadratic computational…

计算机视觉与模式识别 · 计算机科学 2026-04-22 Ahmed Marouane Djouama , Abir Belaala , Abdellah Zakaria Sellam , Salah Eddine Bekhouche , Cosimo Distante , Abdenour Hadid

Automatic modulation recognition (AMR) is a crucial step in wireless communication systems, which identifies the modulation scheme from detected signals to provide key information for further processing. However, previous work has mainly…

信号处理 · 电气工程与系统科学 2025-12-01 Yunpeng Qu , Yazhou Sun , Bingyu Hui , Jian Wang

Medical image classification has developed rapidly under the impetus of the convolutional neural network (CNN). Due to the fixed size of the receptive field of the convolution kernel, it is difficult to capture the global features of…

图像与视频处理 · 电气工程与系统科学 2022-09-22 Xiangzuo Huo , Gang Sun , Shengwei Tian , Yan Wang , Long Yu , Jun Long , Wendong Zhang , Aolun Li

For machine learning-based prognosis and diagnosis of rare diseases, such as pediatric brain tumors, it is necessary to gather medical imaging data from multiple clinical sites that may use different devices and protocols. Deep…

Current multi-modal image fusion methods typically rely on task-specific models, leading to high training costs and limited scalability. While generative methods provide a unified modeling perspective, they often suffer from slow inference…

计算机视觉与模式识别 · 计算机科学 2025-11-19 Huayi Zhu , Xiu Shu , Youqiang Xiong , Qiao Liu , Rui Chen , Di Yuan , Xiaojun Chang , Zhenyu He

Zero-shot MRI reconstruction relies on generative priors, but single-modality unconditional priors produce hallucinations under severe ill-posedness. In many clinical workflows, complementary MRI acquisitions (e.g. high-quality structural…

计算机视觉与模式识别 · 计算机科学 2026-03-24 Seunghoi Kim , Chen Jin , Henry F. J. Tregidgo , Matteo Figini , Daniel C. Alexander

In clinical practice, medical segmentation datasets are often limited and heterogeneous, with variations in modalities, protocols, and anatomical targets across institutions. Existing deep learning models struggle to jointly learn from such…

计算机视觉与模式识别 · 计算机科学 2026-01-22 Weiwei Ma , Xiaobing Yu , Peijie Qiu , Jin Yang , Pan Xiao , Xiaoqi Zhao , Xiaofeng Liu , Tomo Miyazaki , Shinichiro Omachi , Yongsong Huang

Diffusion magnetic resonance imaging is a noninvasive imaging technique that can indirectly infer the microstructure of tissues and provide metrics which are subject to normal variability across subjects. Potentially abnormal values or…

图像与视频处理 · 电气工程与系统科学 2020-08-28 Samuel St-Jean , Max A. Viergever , Alexander Leemans

Current multimodal medical image fusion typically assumes that source images are of high quality and perfectly aligned at the pixel level. Its effectiveness heavily relies on these conditions and often deteriorates when handling misaligned…

计算机视觉与模式识别 · 计算机科学 2025-07-01 Dayong Su , Yafei Zhang , Huafeng Li , Jinxing Li , Yu Liu

Federated learning enables multiple hospitals to cooperatively learn a shared model without privacy disclosure. Existing methods often take a common assumption that the data from different hospitals have the same modalities. However, such a…

图像与视频处理 · 电气工程与系统科学 2023-06-06 Yunlu Yan , Hong Wang , Yawen Huang , Nanjun He , Lei Zhu , Yuexiang Li , Yong Xu , Yefeng Zheng

Incremental learning aims to enable models to continuously acquire knowledge from evolving data streams while preserving previously learned capabilities. While current research predominantly focuses on unimodal incremental learning and…

机器学习 · 计算机科学 2025-04-21 Yaguang Song , Xiaoshan Yang , Dongmei Jiang , Yaowei Wang , Changsheng Xu
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