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Computed Tomography (CT) image reconstruction is crucial for accurate diagnosis and deep learning approaches have demonstrated significant potential in improving reconstruction quality. However, the choice of loss function profoundly…

图像与视频处理 · 电气工程与系统科学 2024-03-19 Yipeng Sun , Yixing Huang , Linda-Sophie Schneider , Mareike Thies , Mingxuan Gu , Siyuan Mei , Siming Bayer , Andreas Maier

The cone beam computed tomography (CBCT) technique was first inserted in dental imaging 15 years ago. Due to this technique 3D imaging in dentistry has been excessively changed. The purpose beyond using CBCT instead of computed tomography…

医学物理 · 物理学 2018-12-11 Kaspar Höschel , Janos Juhasz

It is well known that electroencephalograms (EEGs) often contain artifacts due to muscle activity, eye blinks, and various other causes. Detecting such artifacts is an essential first step toward a correct interpretation of EEGs. Although…

信号处理 · 电气工程与系统科学 2022-08-05 Wei Yan Peh , Yuanyuan Yao , Justin Dauwels

In this paper, we investigated a C-arm tomographic technique as a new three dimensional (3D) kidney imaging method for nephrolithiasis and kidney stone detection over view angle less than 180o. Our C-arm tomographic technique provides a…

计算机视觉与模式识别 · 计算机科学 2017-06-09 Nuhad A. Malalla , Ying Chen

The extraction of text in high quality is essential for text-based document analysis tasks like Document Classification or Named Entity Recognition. Unfortunately, this is not always ensured, as poor scan quality and the resulting artifacts…

计算机视觉与模式识别 · 计算机科学 2023-06-06 David Kreuzer , Michael Munz

Image guidance for minimally invasive interventions is usually performed by acquiring fluoroscopic images using a C-arm system. However, the projective data provide only limited information about the spatial structure and position of…

Accurate reconstruction of arbitrary-shaped long slender continuum bodies, such as guidewires, catheters and other soft continuum manipulators, is essential for accurate mechanical simulation. However, existing image-based reconstruction…

机器人学 · 计算机科学 2026-03-25 Yaozhi Zhang , Shun Yu , Yugang Zhang , Yang Liu

Injuries of the spine, and its posterior elements in particular, are a common occurrence in trauma patients, with potentially devastating consequences. Computer-aided detection (CADe) could assist in the detection and classification of…

计算机视觉与模式识别 · 计算机科学 2016-09-21 Holger R. Roth , Yinong Wang , Jianhua Yao , Le Lu , Joseph E. Burns , Ronald M. Summers

Recent deep learning-based methods have achieved promising performance for computed tomography metal artifact reduction (CTMAR). However, most of them suffer from two limitations: (i) the domain knowledge is not fully embedded into the…

网络与互联网体系结构 · 计算机科学 2022-11-15 Baoshun Shi , Ke Jiang , Shaolei Zhang , Qiusheng Lian , Yanwei Qin

Sparse-view computed tomography (CT) has been adopted as an important technique for speeding up data acquisition and decreasing radiation dose. However, due to the lack of sufficient projection data, the reconstructed CT images often…

图像与视频处理 · 电气工程与系统科学 2023-06-27 Hong Wang , Minghao Zhou , Dong Wei , Yuexiang Li , Yefeng Zheng

Cone Beam CT (CBCT) is an essential imaging modality nowadays, but the image quality of CBCT still lags behind the high quality standards established by the conventional Computed Tomography. We propose LIRE+, a learned iterative scheme for…

医学物理 · 物理学 2024-01-23 Nikita Moriakov , Jan-Jakob Sonke , Jonas Teuwen

We introduce BridgeSplat, a novel approach for deformable surgical navigation that couples intraoperative 3D reconstruction with preoperative CT data to bridge the gap between surgical video and volumetric patient data. Our method rigs 3D…

计算机视觉与模式识别 · 计算机科学 2025-09-24 Maximilian Fehrentz , Alexander Winkler , Thomas Heiliger , Nazim Haouchine , Christian Heiliger , Nassir Navab

Accurate identification, localization, and segregation of teeth from Cone Beam Computed Tomography (CBCT) images are essential for analyzing dental pathologies. Modeling an individual tooth can be challenging and intricate to accomplish,…

Metal artifact reduction (MAR) is one of the most important research topics in computed tomography (CT). With the advance of deep learning technology for image reconstruction,various deep learning methods have been also suggested for metal…

图像与视频处理 · 电气工程与系统科学 2020-07-08 Junghyun Lee , Jawook Gu , Jong Chul Ye

The precise control of soft and continuum robots requires knowledge of their shape, which has, in contrast to classical rigid robots, infinite degrees of freedom. To partially reconstruct the shape, proprioceptive techniques use built-in…

机器人学 · 计算机科学 2025-11-03 Hehui Zheng , Sebastian Pinzello , Barnabas Gavin Cangan , Thomas Buchner , Robert K. Katzschmann

Computed tomography (CT) has been widely used for medical diagnosis, assessment, and therapy planning and guidance. In reality, CT images may be affected adversely in the presence of metallic objects, which could lead to severe metal…

图像与视频处理 · 电气工程与系统科学 2020-09-17 Lequan Yu , Zhicheng Zhang , Xiaomeng Li , Lei Xing

Concept Bottleneck Models (CBMs) try to make the decision-making process transparent by exploring an intermediate concept space between the input image and the output prediction. Existing CBMs just learn coarse-grained relations between the…

计算机视觉与模式识别 · 计算机科学 2025-05-13 Yan Xie , Zequn Zeng , Hao Zhang , Yucheng Ding , Yi Wang , Zhengjue Wang , Bo Chen , Hongwei Liu

Incomplete-view computed tomography (CT) can shorten the data acquisition time and allow scanning of large objects, including sparse-view and limited-angle scenarios, each with various settings, such as different view numbers or angular…

图像与视频处理 · 电气工程与系统科学 2024-03-13 Chenglong Ma , Zilong Li , Junjun He , Junping Zhang , Yi Zhang , Hongming Shan

The clinical application of cone-beam computed tomography (CBCT) is constrained by the inherent trade-off between radiation exposure and image quality. Ultra-sparse angular sampling, employed to reduce dose, introduces severe undersampling…

计算机视觉与模式识别 · 计算机科学 2026-02-10 Junlin Wang , Jiancheng Fang , Peng Peng , Shaoyu Wang , Qiegen Liu

Detecting 3D landmarks on cone-beam computed tomography (CBCT) is crucial to assessing and quantifying the anatomical abnormalities in 3D cephalometric analysis. However, the current methods are time-consuming and suffer from large biases…

计算机视觉与模式识别 · 计算机科学 2022-02-21 Runnan Chen , Yuexin Ma , Nenglun Chen , Lingjie Liu , Zhiming Cui , Yanhong Lin , Wenping Wang
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