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Magnetic resonance (MR) images collected in 2D clinical protocols typically have large inter-slice spacing, resulting in high in-plane resolution and reduced through-plane resolution. Super-resolution technique can enhance the through-plane…

图像与视频处理 · 电气工程与系统科学 2023-03-21 Xin Wang , Sheng Wang , Honglin Xiong , Kai Xuan , Zixu Zhuang , Mengjun Liu , Zhenrong Shen , Xiangyu Zhao , Lichi Zhang , Qian Wang

Computed tomography (CT) is a beneficial imaging tool for diagnostic purposes. CT scans provide detailed information concerning the internal anatomic structures of a patient, but present higher radiation dose and costs compared to X-ray…

图像与视频处理 · 电气工程与系统科学 2024-03-05 Benjamin Paulson , Joshua Goldshteyn , Sydney Balboni , John Cisler , Andrew Crisler , Natalia Bukowski , Julia Kalish , Theodore Colwell

High-resolution 3D medical image generation remains challenging because fully volumetric models are computationally expensive, while efficient 2D slice generators often fail to preserve anatomical consistency across the third dimension. We…

计算机视觉与模式识别 · 计算机科学 2026-05-20 Xinhe Zhang , Yuyang Zhang , Pengfei Jin , Arnau Marin-Llobet , Na Li , Quanzheng Li

The rapid increase in the number of Computed Tomography (CT) scan examinations has created an urgent need for automated tools, such as organ segmentation, anomaly classification, and report generation, to assist radiologists with their…

计算机视觉与模式识别 · 计算机科学 2025-12-29 Theo Di Piazza , Carole Lazarus , Olivier Nempont , Loic Boussel

Intraoperative CT imaging serves as a crucial resource for surgical guidance; however, it may not always be readily accessible or practical to implement. In scenarios where CT imaging is not an option, reconstructing CT scans from X-rays…

图像与视频处理 · 电气工程与系统科学 2024-08-22 Zhi Qiao , Xuhui Liu , Xiaopeng Wang , Runkun Liu , Xiantong Zhen , Pei Dong , Zhen Qian

Clinical routine and retrospective cohorts commonly include multi-parametric Magnetic Resonance Imaging; however, they are mostly acquired in different anisotropic 2D views due to signal-to-noise-ratio and scan-time constraints. Thus…

Deep learning has become the de facto method for medical image segmentation, with 3D segmentation models excelling in capturing complex 3D structures and 2D models offering high computational efficiency. However, segmenting 2.5D images,…

图像与视频处理 · 电气工程与系统科学 2024-05-02 Amarjeet Kumar , Hongxu Jiang , Muhammad Imran , Cyndi Valdes , Gabriela Leon , Dahyun Kang , Parvathi Nataraj , Yuyin Zhou , Michael D. Weiss , Wei Shao

Computed Tomography (CT) scans provide detailed and accurate information of internal structures in the body. They are constructed by sending x-rays through the body from different directions and combining this information into a…

图像与视频处理 · 电气工程与系统科学 2023-05-12 Firas Khader , Gustav Müller-Franzes , Tianyu Han , Sven Nebelung , Christiane Kuhl , Johannes Stegmaier , Daniel Truhn

Cone beam computed tomography (CBCT) is an important imaging technology widely used in medical scenarios, such as diagnosis and preoperative planning. Using fewer projection views to reconstruct CT, also known as sparse-view reconstruction,…

图像与视频处理 · 电气工程与系统科学 2024-06-07 Yiqun Lin , Jiewen Yang , Hualiang Wang , Xinpeng Ding , Wei Zhao , Xiaomeng Li

Robust segmentation for non-elongated tissues in medical images is hard to realize due to the large variation of the shape, size, and appearance of these tissues in different patients. In this paper, we present an end-to-end trainable deep…

图像与视频处理 · 电气工程与系统科学 2020-04-06 Qian Yu , Yinghuan Shi , Yefeng Zheng , Yang Gao , Jianbing Zhu , Yakang Dai

Accurate volume segmentation from the Computed Tomography (CT) scan is a common prerequisite for pre-operative planning, intra-operative guidance and quantitative assessment of therapeutic outcomes in robot-assisted Minimally Invasive…

图像与视频处理 · 电气工程与系统科学 2020-03-10 Peichao Li , Xiao-Yun Zhou , Zhao-Yang Wang , Guang-Zhong Yang

Cone-beam computed tomography (CBCT) is an important tool facilitating computer aided interventions, despite often suffering from artifacts that pose challenges for accurate interpretation. While the degraded image quality can affect…

图像与视频处理 · 电气工程与系统科学 2024-07-02 Maximilian E. Tschuchnig , Philipp Steininger , Michael Gadermayr

Purpose: The goal of this work is to extend the capabilities of RAKI, a k-space interpolating neural network, to reconstruct high-quality images from in-plane accelerated simultaneous multislice imaging acquisitions. This method is referred…

医学物理 · 物理学 2019-02-25 Nikolai J. Mickevicius , Eric S. Paulson , L. Tugan Muftuler , Andrew S. Nencka

Multi-scale 3D characterization is widely used by materials scientists to further their understanding of the relationships between microscopic structure and macroscopic function. Scientific computed tomography (CT) instruments are one of…

图像与视频处理 · 电气工程与系统科学 2022-01-12 S. V. Venkatakrishnan , K. Aditya Mohan , Amir Koushyar Ziabari , Charles A. Bouman

Intracranial aneurysms pose a significant clinical risk yet are difficult to detect, delineate and model due to limited annotated 3D data. We propose a cross-domain feature-transfer approach that leverages the latent geometric embeddings…

计算机视觉与模式识别 · 计算机科学 2025-09-04 Clément Hervé , Paul Garnier , Jonathan Viquerat , Elie Hachem

Accelerated multi-modal magnetic resonance (MR) imaging is a new and effective solution for fast MR imaging, providing superior performance in restoring the target modality from its undersampled counterpart with guidance from an auxiliary…

图像与视频处理 · 电气工程与系统科学 2022-05-12 Chun-Mei Feng , Yunlu Yan , Geng Chen , Yong Xu , Ling Shao , Huazhu Fu

The technical advances in Computed Tomography (CT) allow to obtain immense amounts of 3D data. For such datasets it is very costly and time-consuming to obtain the accurate 3D segmentation markup to train neural networks. The annotation is…

图像与视频处理 · 电气工程与系统科学 2022-03-18 Yaroslav Zharov , Alexey Ershov , Tilo Baumbach , Vincent Heuveline

Computed Tomography (CT) is widely used in healthcare for detailed imaging. However, Low-dose CT, despite reducing radiation exposure, often results in images with compromised quality due to increased noise. Traditional methods, including…

图像与视频处理 · 电气工程与系统科学 2024-09-17 Herman Verinaz-Jadan , Su Yan

Recently, compressed sensing (CS) computed tomography (CT) using sparse projection views has been extensively investigated to reduce the potential risk of radiation to patient. However, due to the insufficient number of projection views, an…

计算机视觉与模式识别 · 计算机科学 2016-11-28 Yo Seob Han , Jaejun Yoo , Jong Chul Ye

Automatic medical image segmentation based on Computed Tomography (CT) has been widely applied for computer-aided surgery as a prerequisite. With the development of deep learning technologies, deep convolutional neural networks (DCNNs) have…

图像与视频处理 · 电气工程与系统科学 2021-04-09 Wenqiang Li , YM Tang , Ziyang Wang , KM Yu , Sandy To