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Diffusion models have demonstrated significant potential in producing high-quality images in medical image translation to aid disease diagnosis, localization, and treatment. Nevertheless, current diffusion models have limited success in…

图像与视频处理 · 电气工程与系统科学 2024-11-26 Yunxiang Li , Hua-Chieh Shao , Xiaoxue Qian , You Zhang

Computed Tomography (CT) is a widely utilized imaging modality in clinical settings. Using densely acquired rotational X-ray arrays, CT can capture 3D spatial features. However, it is confronted with challenged such as significant time…

图像与视频处理 · 电气工程与系统科学 2025-07-16 Duoyou Chen , Yunqing Chen , Can Zhang , Zhou Wang , Cheng Chen , Ruoxiu Xiao

Brain tumor segmentation (BTS) in magnetic resonance image (MRI) is crucial for brain tumor diagnosis, cancer management and research purposes. With the great success of the ten-year BraTS challenges as well as the advances of CNN and…

图像与视频处理 · 电气工程与系统科学 2022-07-18 Jianwei Lin , Jiatai Lin , Cheng Lu , Hao Chen , Huan Lin , Bingchao Zhao , Zhenwei Shi , Bingjiang Qiu , Xipeng Pan , Zeyan Xu , Biao Huang , Changhong Liang , Guoqiang Han , Zaiyi Liu , Chu Han

As a fundamental part of computational healthcare, Computer Tomography (CT) and Magnetic Resonance Imaging (MRI) provide volumetric data, making the development of algorithms for 3D image analysis a necessity. Despite being computationally…

图像与视频处理 · 电气工程与系统科学 2023-07-26 C. I. Ugwu , S. Casarin , O. Lanz

Accurate segmentation of ischemic stroke lesions from diffusion magnetic resonance imaging (MRI) is essential for clinical decision-making and outcome assessment. Diffusion-Weighted Imaging (DWI) and Apparent Diffusion Coefficient (ADC)…

图像与视频处理 · 电气工程与系统科学 2025-12-24 Muhammad Usman , Azka Rehman , Muhammad Mutti Ur Rehman , Abd Ur Rehman , Muhammad Umar Farooq

Medical imaging is limited by acquisition time and scanning equipment. CT and MR volumes, reconstructed with thicker slices, are anisotropic with high in-plane resolution and low through-plane resolution. We reveal an intriguing phenomenon…

图像与视频处理 · 电气工程与系统科学 2024-05-07 Haofei Song , Xintian Mao , Jing Yu , Qingli Li , Yan Wang

Cross-modality medical image synthesis is a critical topic and has the potential to facilitate numerous applications in the medical imaging field. Despite recent successes in deep-learning-based generative models, most current medical image…

图像与视频处理 · 电气工程与系统科学 2023-07-20 Lingting Zhu , Zeyue Xue , Zhenchao Jin , Xian Liu , Jingzhen He , Ziwei Liu , Lequan Yu

Low-field (LF) MRI scanners (<1T) are still prevalent in settings with limited resources or unreliable power supply. However, they often yield images with lower spatial resolution and contrast than high-field (HF) scanners. This quality…

图像与视频处理 · 电气工程与系统科学 2023-11-14 Seunghoi Kim , Henry F. J. Tregidgo , Ahmed K. Eldaly , Matteo Figini , Daniel C. Alexander

Generating synthetic CT (sCT) from MRI or CBCT plays a crucial role in enabling MRI-only and CBCT-based adaptive radiotherapy, improving treatment precision while reducing patient radiation exposure. To address this task, we adopt a fully…

计算机视觉与模式识别 · 计算机科学 2026-04-24 Arnela Hadzic , Simon Johannes Joham , Martin Urschler

Diffusion probabilistic models have demonstrated significant potential in generating high-quality, realistic medical images, providing a promising solution to the persistent challenge of data scarcity in the medical field. Nevertheless,…

计算机视觉与模式识别 · 计算机科学 2026-03-25 Delin An , Chaoli Wang

Medical image translation is crucial for reducing the need for redundant and expensive multi-modal imaging in clinical field. However, current approaches based on Convolutional Neural Networks (CNNs) and Transformers often fail to capture…

图像与视频处理 · 电气工程与系统科学 2024-11-21 Jiayu Huo , Sebastien Ourselin , Rachel Sparks

Magnetic resonance imaging (MRI) super-resolution (SR) methods that computationally enhance low-resolution acquisitions to approximate high-resolution quality offer a compelling alternative to expensive high-field scanners. In this work we…

计算机视觉与模式识别 · 计算机科学 2026-03-17 Hendrik Chiche , Ludovic Corcos , Logan Rouge

Image-to-Image (I2I) translation involves converting an image from one domain to another. Deterministic I2I translation, such as in image super-resolution, extends this concept by guaranteeing that each input generates a consistent and…

计算机视觉与模式识别 · 计算机科学 2025-12-30 Bohan Xiao , Peiyong Wang , Qisheng He , Ming Dong

Diffusion-based image-to-image (I2I) translation excels in high-fidelity generation but suffers from slow sampling in state-of-the-art Diffusion Bridge Models (DBMs), often requiring dozens of function evaluations (NFEs). We introduce…

计算机视觉与模式识别 · 计算机科学 2026-05-08 Sankarshana Venugopal , Mohammad Mostafavi , Jonghyun Choi

Magnetic Resonance Imaging (MRI) enables the acquisition of multiple image contrasts, such as T1-weighted (T1w) and T2-weighted (T2w) scans, each offering distinct diagnostic insights. However, acquiring all desired modalities increases…

计算机视觉与模式识别 · 计算机科学 2025-07-22 Andrea Moschetto , Lemuel Puglisi , Alec Sargood , Pierluigi Dell'Acqua , Francesco Guarnera , Sebastiano Battiato , Daniele Ravì

Structural magnetic resonance imaging (MRI) has been widely utilized for analysis and diagnosis of brain diseases. Automatic segmentation of brain tumors is a challenging task for computer-aided diagnosis due to low-tissue contrast in the…

图像与视频处理 · 电气工程与系统科学 2020-11-22 Mohammad Hamghalam , Baiying Lei , Tianfu Wang

Magnetic resonance imaging (MRI) is critically important for brain mapping in both scientific research and clinical studies. Precise segmentation of brain tumors facilitates clinical diagnosis, evaluations, and surgical planning. Deep…

图像与视频处理 · 电气工程与系统科学 2023-05-01 Rui Nian , Guoyao Zhang , Yao Sui , Yuqi Qian , Qiuying Li , Mingzhang Zhao , Jianhui Li , Ali Gholipour , Simon K. Warfield

Ultra-high-field (7 Tesla) BOLD fMRI offers exceptional detail in both spatial and temporal domains, along with robust signal-to-noise characteristics, making it a powerful modality for studying visual information processing in the brain.…

计算机视觉与模式识别 · 计算机科学 2025-05-14 Yujian Xiong , Xuanzhao Dong , Sebastian Waz , Wenhui Zhu , Negar Mallak , Zhong-lin Lu , Yalin Wang

Diffusion MRI (dMRI) is an advanced imaging technique characterizing tissue microstructure and white matter structural connectivity of the human brain. The demand for high-quality dMRI data is growing, driven by the need for better…

图像与视频处理 · 电气工程与系统科学 2024-08-26 Xi Zhu , Wei Zhang , Yijie Li , Lauren J. O'Donnell , Fan Zhang

This paper is a contribution to the "BraTS 2023 Local Synthesis of Healthy Brain Tissue via Inpainting Challenge". The task of this challenge is to transform tumor tissue into healthy tissue in brain magnetic resonance (MR) images. This…

图像与视频处理 · 电气工程与系统科学 2024-10-24 Alicia Durrer , Philippe C. Cattin , Julia Wolleb