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Purpose: Stimulated echo acquisition mode (STEAM) diffusion MRI can be advantageous over pulsed-gradient spin-echo (PGSE) for diffusion times that are long compared to $\ttwo$. It is important therefore for biomedical diffusion imaging…

医学物理 · 物理学 2013-06-13 Daniel C. Alexander , Tim B. Dyrby

Contrast-enhanced imaging is central to oncologic diagnosis, but contrast agents can be contraindicated for many of the patients who need them most. Synthesizing contrast scans from non-contrast inputs is the natural response. Two obstacles…

计算机视觉与模式识别 · 计算机科学 2026-05-11 Yifan Chen , Fei Yin , Hao Chen , Jia Wu , Chao Li

CT reconstruction provides radiologists with images for diagnosis and treatment, yet current deep learning methods are typically limited to specific anatomies and datasets, hindering generalization ability to unseen anatomies and lesions.…

图像与视频处理 · 电气工程与系统科学 2025-10-31 Shaokai Wu , Yapan Guo , Yanbiao Ji , Jing Tong , Yuxiang Lu , Mei Li , Suizhi Huang , Yue Ding , Hongtao Lu

Robust multi-view learning with incomplete information has received significant attention due to issues such as incomplete correspondences and incomplete instances that commonly affect real-world multi-view applications. Existing approaches…

计算机视觉与模式识别 · 计算机科学 2023-12-22 Pengxin Zeng , Mouxing Yang , Yiding Lu , Changqing Zhang , Peng Hu , Xi Peng

The emergence of generative AI and controllable diffusion has made image-to-image synthesis increasingly practical and efficient. However, when input images exhibit low entropy and sparse, the inherent characteristics of diffusion models…

计算机视觉与模式识别 · 计算机科学 2025-01-14 Hao Wang , Xiwen Chen , Ashish Bastola , Jiayou Qin , Abolfazl Razi

Recent studies on contrastive learning have achieved remarkable performance solely by leveraging few labels in the context of medical image segmentation. Existing methods mainly focus on instance discrimination and invariant mapping.…

图像与视频处理 · 电气工程与系统科学 2024-09-24 Chenyu You , Weicheng Dai , Fenglin Liu , Yifei Min , Nicha C. Dvornek , Xiaoxiao Li , David A. Clifton , Lawrence Staib , James S. Duncan

As the rapid development of computer vision and the emergence of powerful network backbones and architectures, the application of deep learning in medical imaging has become increasingly significant. Unlike natural images, medical images…

图像与视频处理 · 电气工程与系统科学 2026-04-10 Guoqing Zhang , Jingyun Yang , Yang Li

Focal cortical dysplasia (FCD) lesions in epilepsy FLAIR MRI are subtle and scarce, making joint image--mask generative modeling prone to instability and memorization. We propose SLIM-Diff, a compact joint diffusion model whose main…

计算机视觉与模式识别 · 计算机科学 2026-02-04 Mario Pascual-González , Ariadna Jiménez-Partinen , R. M. Luque-Baena , Fátima Nagib-Raya , Ezequiel López-Rubio

We propose a novel image editing technique that enables 3D manipulations on single images, such as object rotation and translation. Existing 3D-aware image editing approaches typically rely on synthetic multi-view datasets for training…

计算机视觉与模式识别 · 计算机科学 2024-07-16 Ruicheng Wang , Jianfeng Xiang , Jiaolong Yang , Xin Tong

Augmentation for dense prediction typically relies on either sample mixing or generative synthesis. Mixing improves robustness but misaligned masks yield soft label ambiguity. Diffusion synthesis increases apparent diversity but, when…

计算机视觉与模式识别 · 计算机科学 2025-11-06 Pengyu Jie , Wanquan Liu , Rui He , Yihui Wen , Deyu Meng , Chenqiang Gao

Integrating multi-modal data to promote medical image analysis has recently gained great attention. This paper presents a novel scheme to learn the mutual benefits of different modalities to achieve better segmentation results for unpaired…

计算机视觉与模式识别 · 计算机科学 2023-05-02 Jie Yang , Ye Zhu , Chaoqun Wang , Zhen Li , Ruimao Zhang

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

Weakly supervised medical image segmentation (MIS) using generative models is crucial for clinical diagnosis. However, the accuracy of the segmentation results is often limited by insufficient supervision and the complex nature of medical…

计算机视觉与模式识别 · 计算机科学 2024-04-26 Zhihao Shuai , Yinan Chen , Shunqiang Mao , Yihan Zho , Xiaohong Zhang

Contrastive learning, a prominent approach within self-supervised learning, has demonstrated significant effectiveness in developing generalizable models for various applications involving natural images. However, recent research indicates…

计算机视觉与模式识别 · 计算机科学 2025-01-07 Zijie Cheng , Boxuan Li , André Altmann , Pearse A Keane , Yukun Zhou

Medical image segmentation is crucial for many healthcare tasks, including disease diagnosis and treatment planning. One key area is the segmentation of skin lesions, which is vital for diagnosing skin cancer and monitoring patients. In…

计算机视觉与模式识别 · 计算机科学 2025-07-22 Salah Eddine Bekhouche , Gaby Maroun , Fadi Dornaika , Abdenour Hadid

We propose SparseContrast, a new framework that merges dynamic sparse attention with contrastive learning for medical imaging, with a focus on chest X-ray disease detection in low-data settings. Traditional contrastive learning methods rely…

计算机视觉与模式识别 · 计算机科学 2026-05-05 Paarth Prasad , Ruchika Malhotra

Large-scale, big-variant, high-quality data are crucial for developing robust and successful deep-learning models for medical applications since they potentially enable better generalization performance and avoid overfitting. However, the…

计算机视觉与模式识别 · 计算机科学 2024-12-17 Zheyuan Zhang , Lanhong Yao , Bin Wang , Debesh Jha , Gorkem Durak , Elif Keles , Alpay Medetalibeyoglu , Ulas Bagci

Recent advances in computational pathology have leveraged vision-language models to learn joint representations of Hematoxylin and Eosin (HE) images with spatial transcriptomic (ST) profiles. However, existing approaches typically align HE…

Magnetic Resonance Imaging (MRI) is instrumental in clinical diagnosis, offering diverse contrasts that provide comprehensive diagnostic information. However, acquiring multiple MRI contrasts is often constrained by high costs, long…

计算机视觉与模式识别 · 计算机科学 2024-09-04 Sanuwani Dayarathna , Kh Tohidul Islam , Bohan Zhuang , Guang Yang , Jianfei Cai , Meng Law , Zhaolin Chen

To guide surgical and medical treatment X-ray images have been used by physicians in every modern healthcare organization and hospitals. Doctor's evaluation process and disease identification in the area of skeletal system can be performed…

计算机视觉与模式识别 · 计算机科学 2019-05-22 Rafsanjany Kushol , Md. Nishat Raihan , Md Sirajus Salekin , A. B. M. Ashikur Rahman