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Currently, MRI-only radiotherapy (RT) eliminates some of the concerns about using CT images in RT chains such as the registration of MR images to a separate CT, extra dose delivery, and the additional cost of repeated imaging. However, one…

医学物理 · 物理学 2021-03-03 Faeze Gholamiankhah , Samaneh Mostafapour , Hossein Arabi

Magnetic induction tomography (MIT) is an efficient solution for long-term brain disease monitoring, which focuses on reconstructing bio-impedance distribution inside the human brain using non-intrusive electromagnetic fields. However,…

计算机视觉与模式识别 · 计算机科学 2021-02-17 Zuohui Chen , Qing Yuan , Xujie Song , Cheng Chen , Dan Zhang , Yun Xiang , Ruigang Liu , Qi Xuan

A Magnetic Resonance Imaging (MRI) exam typically consists of the acquisition of multiple MR pulse sequences, which are required for a reliable diagnosis. Each sequence can be parameterized through multiple acquisition parameters affecting…

图像与视频处理 · 电气工程与系统科学 2022-02-23 Jonas Denck , Jens Guehring , Andreas Maier , Eva Rothgang

Brain segmentation from neonatal MRI images is a very challenging task due to large changes in the shape of cerebral structures and variations in signal intensities reflecting the gestational process. In this context, there is a clear need…

机器学习 · 统计学 2023-09-12 R Valabregue , F Girka , A Pron , F Rousseau , G Auzias

In medical imaging, image synthesis is the estimation process of one image (sequence, modality) from another image (sequence, modality). Since images with different modalities provide diverse biomarkers and capture various features,…

图像与视频处理 · 电气工程与系统科学 2023-05-26 Firoozeh Shomal Zadeh , Sevda Molani , Maysam Orouskhani , Marziyeh Rezaei , Mehrzad Shafiei , Hossein Abbasi

Magnetic Resonance Imaging (MRI) is a vital modality for gaining precise anatomical information, and it plays a significant role in medical imaging for diagnosis and therapy planning. Image synthesis problems have seen a revolution in…

图像与视频处理 · 电气工程与系统科学 2024-04-16 Drici Mourad , Kazeem Oluwakemi Oseni

Supervised deep learning techniques can be used to generate synthetic 7T MRIs from 3T MRI inputs. This image enhancement process leverages the advantages of ultra-high-field MRI to improve the signal-to-noise and contrast-to-noise ratios of…

图像与视频处理 · 电气工程与系统科学 2024-07-10 Qiming Cui , Duygu Tosun , Pratik Mukherjee , Reza Abbasi-Asl

Computed tomography (CT) is critical for various clinical applications, e.g., radiotherapy treatment planning and also PET attenuation correction. However, CT exposes radiation during acquisition, which may cause side effects to patients.…

计算机视觉与模式识别 · 计算机科学 2016-12-19 Dong Nie , Roger Trullo , Caroline Petitjean , Su Ruan , Dinggang Shen

Magnetic resonance imaging (MRI) has played a crucial role in fetal neurodevelopmental research. Structural annotations of MR images are an important step for quantitative analysis of the developing human brain, with Deep Learning providing…

Data diversity is critical to success when training deep learning models. Medical imaging data sets are often imbalanced as pathologic findings are generally rare, which introduces significant challenges when training deep learning models.…

MR-only radiotherapy treatment planning requires accurate MR-to-CT synthesis. Current deep learning methods for MR-to-CT synthesis depend on pairwise aligned MR and CT training images of the same patient. However, misalignment between…

计算机视觉与模式识别 · 计算机科学 2017-08-04 Jelmer M. Wolterink , Anna M. Dinkla , Mark H. F. Savenije , Peter R. Seevinck , Cornelis A. T. van den Berg , Ivana Isgum

Medical imaging plays a significant role in detecting and treating various diseases. However, these images often happen to be of too poor quality, leading to decreased efficiency, extra expenses, and even incorrect diagnoses. Therefore, we…

图像与视频处理 · 电气工程与系统科学 2023-03-06 Alnur Alimanov , Md Baharul Islam

Magnetic resonance image (MRI) reconstruction is a severely ill-posed linear inverse task demanding time and resource intensive computations that can substantially trade off {\it accuracy} for {\it speed} in real-time imaging. In addition,…

计算机视觉与模式识别 · 计算机科学 2017-06-02 Morteza Mardani , Enhao Gong , Joseph Y. Cheng , Shreyas Vasanawala , Greg Zaharchuk , Marcus Alley , Neil Thakur , Song Han , William Dally , John M. Pauly , Lei Xing

Missing scans are inevitable in longitudinal studies due to either subject dropouts or failed scans. In this paper, we propose a deep learning framework to predict missing scans from acquired scans, catering to longitudinal infant studies.…

图像与视频处理 · 电气工程与系统科学 2022-08-10 Yunzhi Huang , Sahar Ahmad , Luyi Han , Shuai Wang , Zhengwang Wu , Weili Lin , Gang Li , Li Wang , Pew-Thian Yap

Acquiring images of the same anatomy with multiple different contrasts increases the diversity of diagnostic information available in an MR exam. Yet, scan time limitations may prohibit acquisition of certain contrasts, and images for some…

计算机视觉与模式识别 · 计算机科学 2018-02-06 Salman Ul Hassan Dar , Mahmut Yurt , Levent Karacan , Aykut Erdem , Erkut Erdem , Tolga Çukur

Fetal brain magnetic resonance imaging serves as an emerging modality for prenatal counseling and diagnosis in disorders affecting the brain. Machine learning based segmentation plays an important role in the quantification of brain…

图像与视频处理 · 电气工程与系统科学 2022-09-21 Marina Fernandez Garcia , Rodrigo Gonzalez Laiz , Hui Ji , Kelly Payette , Andras Jakab

Magnetic Resonance Imaging (MRI) is one of the most flexible and powerful medical imaging modalities. This flexibility does however come at a cost; MRI images acquired at different sites and with different parameters exhibit significant…

There remains an important need for the development of image reconstruction methods that can produce diagnostically useful images from undersampled measurements. In magnetic resonance imaging (MRI), for example, such methods can facilitate…

图像与视频处理 · 电气工程与系统科学 2021-06-28 Varun A. Kelkar , Sayantan Bhadra , Mark A. Anastasio

Magnetic resonance imaging (MRI) is a widely used non-radiative and non-invasive method for clinical interrogation of organ structures and metabolism, with an inherently long scanning time. Methods by k-space undersampling and deep learning…

图像与视频处理 · 电气工程与系统科学 2022-04-05 Jiahao Huang , Yinzhe Wu , Huanjun Wu , Guang Yang

Translational brain research using Magnetic Resonance Imaging (MRI) is becoming increasingly popular as animal models are an essential part of scientific studies and more ultra-high-field scanners are becoming available. Some disadvantages…

图像与视频处理 · 电气工程与系统科学 2022-01-05 André Ferreira , Ricardo Magalhães , Sébastien Mériaux , Victor Alves
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