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In the setting of clinical imaging, differences in between vendors, hospitals and sequences can yield highly inhomogeneous imaging data. In MRI in particular, voxel dimension, slice spacing and acquisition plane can vary substantially. For…

图像与视频处理 · 电气工程与系统科学 2025-03-31 Ivan Diaz , Florin Scherer , Yanik Berli , Roland Wiest , Helly Hammer , Robert Hoepner , Alejandro Leon Betancourt , Piotr Radojewski , Richard McKinley

This paper provides a fast and patient-specific scatter artifact correction method for cone-beam computed tomography (CBCT) used in image-guided interventional procedures. Due to increased irradiated volume of interest in CBCT imaging,…

医学物理 · 物理学 2015-01-20 Wei Zhao , Stephen Brunner , Kai Niu , Sebastian Schafer , Kevin Royalty , Guang-Hong Chen

Ultrasound imaging is generally employed for real-time investigation of internal anatomy of the human body for disease identification. Delineation of the anatomical boundary of organs and pathological lesions is quite challenging due to the…

计算机视觉与模式识别 · 计算机科学 2019-01-23 Sumanth Nandamuri , Debarghya China , Pabitra Mitra , Debdoot Sheet

Aims: This study investigates whether a U-Net architecture can perform standalone end-to-end blind deconvolution of astronomical images without any prior knowledge of the Point Spread Function (PSF) or noise characteristics. Our goal is to…

天体物理仪器与方法 · 物理学 2026-01-14 Jean-Eric Campagne

Accurate segmentation of the heart is essential for personalized blood flow simulations and surgical intervention planning. Segmentations need to be accurate in every spatial dimension, which is not ensured by segmenting data slice by…

图像与视频处理 · 电气工程与系统科学 2024-01-25 Lee Jollans , Mariana Bustamante , Lilian Henriksson , Anders Persson , Tino Ebbers

3D mesh segmentation is an important task with many biomedical applications. The human body has bilateral symmetry and some variations in organ positions. It allows us to expect a positive effect of rotation and inversion invariant layers…

图像与视频处理 · 电气工程与系统科学 2023-11-07 Vladislav Dordiuk , Maksim Dzhigil , Konstantin Ushenin

Vessel stenosis is a major risk factor in cardiovascular diseases (CVD). To analyze the degree of vessel stenosis for supporting the treatment management, extraction of coronary artery area from Computed Tomographic Angiography (CTA) is…

图像与视频处理 · 电气工程与系统科学 2019-07-30 Yo-Chuan Chen , Yi-Chen Lin , Ching-Ping Wang , Chia-Yen Lee , Wen-Jeng Lee , Tzung-Dau Wang , Chung-Ming Chen

Ultrasound Localization Microscopy (ULM) can map microvessels at a resolution of a few micrometers (\mu m). Transcranial ULM remains challenging in presence of aberrations caused by the skull, which lead to localization errors. Herein, we…

图像与视频处理 · 电气工程与系统科学 2023-09-20 Paul Xing , Jonathan Porée , Brice Rauby , Antoine Malescot , Éric Martineau , Vincent Perrot , Ravi L. Rungta , Jean Provost

With the inspiration of vision transformers, the concept of depth-wise convolution revisits to provide a large Effective Receptive Field (ERF) using Large Kernel (LK) sizes for medical image segmentation. However, the segmentation…

图像与视频处理 · 电气工程与系统科学 2023-06-07 Ho Hin Lee , Quan Liu , Shunxing Bao , Qi Yang , Xin Yu , Leon Y. Cai , Thomas Li , Yuankai Huo , Xenofon Koutsoukos , Bennett A. Landman

We developed a new and computationally simple local block-wise self attention based normal structures segmentation approach applied to head and neck computed tomography (CT) images. Our method uses the insight that normal organs exhibit…

计算机视觉与模式识别 · 计算机科学 2019-09-12 Jue Jiang , Elguindi Sharif , Hyemin Um , Sean Berry , Harini Veeraraghavan

This research embarked on a comparative exploration of the holistic segmentation capabilities of Convolutional Neural Networks (CNNs) in both 2D and 3D formats, focusing on cystic fibrosis (CF) lesions. The study utilized data from two CF…

图像与视频处理 · 电气工程与系统科学 2024-08-13 Amel Imene Hadj Bouzid , Baudouin Denis de Senneville , Fabien Baldacci , Pascal Desbarats , Patrick Berger , Ilyes Benlala , Gaël Dournes

Medical image segmentation has been very challenging due to the large variation of anatomy across different cases. Recent advances in deep learning frameworks have exhibited faster and more accurate performance in image segmentation. Among…

图像与视频处理 · 电气工程与系统科学 2020-03-12 Maryam Asadi-Aghbolaghi , Reza Azad , Mahmood Fathy , Sergio Escalera

Three-dimensional (3D) medical image enhancement, including denoising and super-resolution, is critical for clinical diagnosis in CT, PET, and MRI. Although diffusion models have shown remarkable success in 2D medical imaging, scaling them…

计算机视觉与模式识别 · 计算机科学 2026-04-21 Hongxu Jiang , Fei Li , Boxiao Yu , Ying Zhang , Kaleb Smith , Kuang Gong , Wei Shao

Segmentation of 3D micro-Computed Tomographic uCT) images of rock samples is essential for further Digital Rock Physics (DRP) analysis, however, conventional methods such as thresholding, watershed segmentation, and converging active…

图像与视频处理 · 电气工程与系统科学 2020-02-18 Ying Da Wang , Mehdi Shabaninejad , Ryan T. Armstrong , Peyman Mostaghimi

The 3D volumetric shape of the heart's left ventricle (LV) myocardium (MYO) wall provides important information for diagnosis of cardiac disease and invasive procedure navigation. Many cardiac image segmentation methods have relied on…

计算机视觉与模式识别 · 计算机科学 2021-02-23 Meng Ye , Qiaoying Huang , Dong Yang , Pengxiang Wu , Jingru Yi , Leon Axel , Dimitris Metaxas

In this paper, the Primal-Dual UNet for sparse view CT reconstruction is modified to be applicable to cone beam projections and perform reconstructions of entire volumes instead of slices. Experiments show that the PSNR of the proposed…

图像与视频处理 · 电气工程与系统科学 2022-05-18 Philipp Ernst , Soumick Chatterjee , Georg Rose , Andreas Nürnberger

This work proposed a novel deep registration pipeline for 3D CT and 2D U/S kidney scans of free breathing, which consists of a feature network, and a 3D-2D CNN-based registration network. The feature network has handcraft texture feature…

图像与视频处理 · 电气工程与系统科学 2023-08-17 Chi Yanling , Xu Yuyu , Liu Huiying , Wu Xiaoxiang , Liu Zhiqiang , Mao Jiawei , Xu Guibin , Huang Weimin

As Micro-CT technology continues to refine its characterization of material microstructures, industrial CT ultra-precision inspection is generating increasingly large datasets, necessitating solutions to the trade-off between accuracy and…

计算机视觉与模式识别 · 计算机科学 2026-01-22 Yipeng Yin , Rao Yao , Qingying Li , Dazhong Wang , Hong Zhou , Zhijun Fang , Jianing Chen , Longjie Qian , Mingyue Wu

We propose combining memory saving techniques with traditional U-Net architectures to increase the complexity of the models on the Brain Tumor Segmentation (BraTS) challenge. The BraTS challenge consists of a 3D segmentation of a…

图像与视频处理 · 电气工程与系统科学 2021-04-22 Mihir Pendse , Vithursan Thangarasa , Vitaliy Chiley , Ryan Holmdahl , Joel Hestness , Dennis DeCoste

Ultrasound Localization Microscopy (ULM) is a non-invasive technique that allows for the imaging of micro-vessels in vivo, at depth and with a resolution on the order of ten microns. ULM is based on the sub-resolution localization of…

图像与视频处理 · 电气工程与系统科学 2025-10-17 Brice Rauby , Paul Xing , Jonathan Porée , Maxime Gasse , Jean Provost