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相关论文: On Instabilities of Conventional Multi-Coil MRI Re…

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Although deep learning (DL) has received much attention in accelerated magnetic resonance imaging (MRI), recent studies show that tiny input perturbations may lead to instabilities of DL-based MRI reconstruction models. However, the…

图像与视频处理 · 电气工程与系统科学 2022-11-22 Jinghan Jia , Mingyi Hong , Yimeng Zhang , Mehmet Akçakaya , Sijia Liu

Deep Learning (DL) methods have shown promising results for solving ill-posed inverse problems such as MR image reconstruction from undersampled $k$-space data. However, these approaches currently have no guarantees for reconstruction…

图像与视频处理 · 电气工程与系统科学 2022-08-08 Jan Nikolas Morshuis , Sergios Gatidis , Matthias Hein , Christian F. Baumgartner

Deep learning (DL) methods have become the state-of-the-art for reconstructing sub-sampled magnetic resonance imaging (MRI) data. However, studies have shown that these methods are susceptible to small adversarial input perturbations, or…

计算机视觉与模式识别 · 计算机科学 2025-09-30 Mahdi Saberi , Chi Zhang , Mehmet Akçakaya

This work investigates the detection of instabilities that may occur when utilizing deep learning models for image reconstruction tasks. Although neural networks often empirically outperform traditional reconstruction methods, their usage…

图像与视频处理 · 电气工程与系统科学 2020-03-31 Jan Macdonald , Maximilian März , Luis Oala , Wojciech Samek

Deep Learning (DL) has shown potential in accelerating Magnetic Resonance Image acquisition and reconstruction. Nevertheless, there is a dearth of tailored methods to guarantee that the reconstruction of small features is achieved with high…

图像与视频处理 · 电气工程与系统科学 2021-04-28 Francesco Calivá , Kaiyang Cheng , Rutwik Shah , Valentina Pedoia

Reliable MRI is crucial for accurate interpretation in therapeutic and diagnostic tasks. However, undersampling during MRI acquisition as well as the overparameterized and non-transparent nature of deep learning (DL) leaves substantial…

计算机视觉与模式识别 · 计算机科学 2020-04-28 Vineet Edupuganti , Morteza Mardani , Shreyas Vasanawala , John Pauly

Deep-learning-based brain magnetic resonance imaging (MRI) reconstruction methods have the potential to accelerate the MRI acquisition process. Nevertheless, the scientific community lacks appropriate benchmarks to assess MRI reconstruction…

Recent studies show that deep learning (DL) based MRI reconstruction outperforms conventional methods, such as parallel imaging and compressed sensing (CS), in multiple applications. Unlike CS that is typically implemented with…

图像与视频处理 · 电气工程与系统科学 2022-08-22 Hongyi Gu , Burhaneddin Yaman , Steen Moeller , Il Yong Chun , Mehmet Akçakaya

Magnetic resonance imaging (MRI) is a non-invasive imaging modality and provides comprehensive anatomical and functional insights into the human body. However, its long acquisition times can lead to patient discomfort, motion artifacts, and…

计算机视觉与模式识别 · 计算机科学 2025-07-21 Mojtaba Safari , Zach Eidex , Chih-Wei Chang , Richard L. J. Qiu , Xiaofeng Yang

Deep learning (DL) has recently emerged as a pivotal technology for enhancing magnetic resonance imaging (MRI), a critical tool in diagnostic radiology. This review paper provides a comprehensive overview of recent advances in DL for MRI…

机器学习 · 计算机科学 2024-04-25 Reinhard Heckel , Mathews Jacob , Akshay Chaudhari , Or Perlman , Efrat Shimron

Most current approaches to undersampled multi-coil MRI reconstruction focus on learning the reconstruction model for a fixed, equidistant acquisition trajectory. In this paper, we study the problem of joint learning of the reconstruction…

图像与视频处理 · 电气工程与系统科学 2022-04-12 Tim Bakker , Matthew Muckley , Adriana Romero-Soriano , Michal Drozdzal , Luis Pineda

In Magnetic Resonance Imaging (MRI), image acquisitions are often undersampled in the measurement domain to accelerate the scanning process, at the expense of image quality. However, image quality is a crucial factor that influences the…

图像与视频处理 · 电气工程与系统科学 2024-05-31 Mevan Ekanayake , Zhifeng Chen , Mehrtash Harandi , Gary Egan , Zhaolin Chen

Magnetic Resonance Imaging (MRI) acquisitions require extensive scan times, limiting patient throughput and increasing susceptibility to motion artifacts. Accelerated parallel MRI techniques reduce acquisition time by undersampling k-space…

计算机视觉与模式识别 · 计算机科学 2025-11-25 Mingi Kang

Deep neural networks give state-of-the-art accuracy for reconstructing images from few and noisy measurements, a problem arising for example in accelerated magnetic resonance imaging (MRI). However, recent works have raised concerns that…

图像与视频处理 · 电气工程与系统科学 2021-06-14 Mohammad Zalbagi Darestani , Akshay S. Chaudhari , Reinhard Heckel

Deep learning has achieved good success in cardiac magnetic resonance imaging (MRI) reconstruction, in which convolutional neural networks (CNNs) learn a mapping from the undersampled k-space to the fully sampled images. Although these deep…

图像与视频处理 · 电气工程与系统科学 2020-12-30 Ziwen Ke , Jing Cheng , Leslie Ying , Hairong Zheng , Yanjie Zhu , Dong Liang

Deep learning, due to its unprecedented success in tasks such as image classification, has emerged as a new tool in image reconstruction with potential to change the field. In this paper we demonstrate a crucial phenomenon: deep learning…

计算机视觉与模式识别 · 计算机科学 2020-05-13 Vegard Antun , Francesco Renna , Clarice Poon , Ben Adcock , Anders C. Hansen

Deep learning (DL) has been applied extensively in a wide range of fields. However, it has been shown that DL models are susceptible to a certain kinds of perturbations called \emph{adversarial attacks}. To fully unlock the power of DL in…

统计金融 · 定量金融 2020-06-09 Jun-Hao Chen , Samuel Yen-Chi Chen , Yun-Cheng Tsai , Chih-Shiang Shur

Medical imaging is playing a more and more important role in clinics. However, there are several issues in different imaging modalities such as slow imaging speed in MRI, radiation injury in CT and PET. Therefore, accelerating MRI, reducing…

计算机视觉与模式识别 · 计算机科学 2019-09-06 Jing Cheng , Haifeng Wang , Yanjie Zhu , Qiegen Liu , Qiyang Zhang , Ting Su , Jianwei Chen , Yongshuai Ge , Zhanli Hu , Xin Liu , Hairong Zheng , Leslie Ying , Dong Liang

Deep-learning-based methods for different applications have been shown vulnerable to adversarial examples. These examples make deployment of such models in safety-critical tasks questionable. Use of deep neural networks as inverse problem…

机器学习 · 计算机科学 2020-02-28 Ankit Raj , Yoram Bresler , Bo Li

Although deep learning (DL) has gained much popularity for accelerated magnetic resonance imaging (MRI), recent studies have shown that DL-based MRI reconstruction models could be oversensitive to tiny input perturbations (that are called…

图像与视频处理 · 电气工程与系统科学 2023-03-23 Hui Li , Jinghan Jia , Shijun Liang , Yuguang Yao , Saiprasad Ravishankar , Sijia Liu
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