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In recent years, machine learning (ML) based reconstruction has been widely investigated and employed in cardiac magnetic resonance (CMR) imaging. ML-based reconstructions can deliver clinically acceptable image quality under substantially…

图像与视频处理 · 电气工程与系统科学 2024-11-18 Chi Zhang , Michael Loecher , Cagan Alkan , Mahmut Yurt , Shreyas S. Vasanawala , Daniel B. Ennis

Motion-compensated MR reconstruction (MCMR) is a powerful concept with considerable potential, consisting of two coupled sub-problems: Motion estimation, assuming a known image, and image reconstruction, assuming known motion. In this work,…

图像与视频处理 · 电气工程与系统科学 2022-09-09 Jiazhen Pan , Daniel Rueckert , Thomas Küstner , Kerstin Hammernik

High-resolution magnetic resonance images can provide fine-grained anatomical information, but acquiring such data requires a long scanning time. In this paper, a framework called the Fused Attentive Generative Adversarial Networks(FA-GAN)…

图像与视频处理 · 电气工程与系统科学 2021-08-29 Mingfeng Jiang , Minghao Zhi , Liying Wei , Xiaocheng Yang , Jucheng Zhang , Yongming Li , Pin Wang , Jiahao Huang , Guang Yang

Magnetic Resonance Imaging (MRI) offers unparalleled soft-tissue contrast but is fundamentally limited by long acquisition times. While deep learning-based accelerated MRI can dramatically shorten scan times, the reconstruction from…

图像与视频处理 · 电气工程与系统科学 2025-08-22 Paul Fischer , Jan Nikolas Morshuis , Thomas Küstner , Christian Baumgartner

In computed tomography (CT), metal implants increase the inconsistencies between the measured data and the linear attenuation assumption made by analytic CT reconstruction algorithms. The inconsistencies give rise to dark and bright bands…

计算机视觉与模式识别 · 计算机科学 2018-08-07 Sungsoo Ha , Klaus Mueller

Cardiac cine magnetic resonance imaging (MRI) is one of the important means to assess cardiac functions and vascular abnormalities. Mitigating artifacts arising during image reconstruction and accelerating cardiac cine MRI acquisition to…

图像与视频处理 · 电气工程与系统科学 2024-07-03 Xiaoxiang Han , Yang Chen , Qiaohong Liu , Yiman Liu , Keyan Chen , Yuanjie Lin , Weikun Zhang

For the task of metal artifact reduction (MAR), although deep learning (DL)-based methods have achieved promising performances, most of them suffer from two problems: 1) the CT imaging geometry constraint is not fully embedded into the…

图像与视频处理 · 电气工程与系统科学 2021-09-14 Hong Wang , Yuexiang Li , Haimiao Zhang , Jiawei Chen , Kai Ma , Deyu Meng , Yefeng Zheng

One of the main challenges in deep learning-based underwater image enhancement is the limited availability of high-quality training data. Underwater images are difficult to capture and are often of poor quality due to the distortion and…

计算机视觉与模式识别 · 计算机科学 2025-07-15 Alzayat Saleh , Marcus Sheaves , Dean Jerry , Mostafa Rahimi Azghadi

Electroencephalography (EEG) signals are often contaminated with artifacts. It is imperative to develop a practical and reliable artifact removal method to prevent misinterpretations of neural signals and underperformance of brain-computer…

信号处理 · 电气工程与系统科学 2021-11-23 Chun-Hsiang Chuang , Kong-Yi Chang , Chih-Sheng Huang , Tzyy-Ping Jung

Accelerating Magnetic Resonance Imaging (MRI) reduces scan time but often degrades image quality. While Implicit Neural Representations (INRs) show promise for MRI reconstruction, they struggle at high acceleration factors due to weak prior…

计算机视觉与模式识别 · 计算机科学 2025-08-12 Ziad Al-Haj Hemidi , Eytan Kats , Mattias P. Heinrich

The recorded electroencephalography (EEG) signals are usually contaminated by many artifacts. In recent years, deep learning models have been used for denoising of electroencephalography (EEG) data and provided comparable performance with…

信号处理 · 电气工程与系统科学 2021-02-16 Haoming Zhang , Chen Wei , Mingqi Zhao , Haiyan Wu , Quanying Liu

Magnetic Resonance Images (MRIs) are extremely used in the medical field to detect and better understand diseases. In order to fasten automatic processing of scans and enhance medical research, this project focuses on automatically…

图像与视频处理 · 电气工程与系统科学 2020-01-16 Antoine Delplace

Magnetic resonance imaging (MRI) is the gold standard imaging modality for numerous diagnostic tasks, yet its usefulness is tempered due to its high cost and infrastructural requirements. Low-cost very-low-field portable scanners offer new…

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

High-quality reconstruction of MRI images from under-sampled `k-space' data, which is in the Fourier domain, is crucial for shortening MRI acquisition times and ensuring superior temporal resolution. Over recent years, a wealth of deep…

图像与视频处理 · 电气工程与系统科学 2023-11-28 Nitzan Avidan , Moti Freiman

Recently, untrained neural networks (UNNs) have shown satisfactory performances for MR image reconstruction on random sampling trajectories without using additional full-sampled training data. However, the existing UNN-based approach does…

计算机视觉与模式识别 · 计算机科学 2022-08-12 Zhuo-Xu Cui , Sen Jia , Qingyong Zhu , Congcong Liu , Zhilang Qiu , Yuanyuan Liu , Jing Cheng , Haifeng Wang , Yanjie Zhu , Dong Liang

Convolutional neural network (CNN) has achieved unprecedented success in image super-resolution tasks in recent years. However, the network's performance depends on the distribution of the training sets and degrades on out-of-distribution…

计算机视觉与模式识别 · 计算机科学 2021-05-20 Aupendu Kar , Prabir Kumar Biswas

Masked autoencoder (MAE) has attracted unprecedented attention and achieves remarkable performance in many vision tasks. It reconstructs random masked image patches (known as proxy task) during pretraining and learns meaningful semantic…

计算机视觉与模式识别 · 计算机科学 2023-07-14 Qingbo Kang , Jun Gao , Kang Li , Qicheng Lao

Patient motion during PET is inevitable. Its long acquisition time not only increases the motion and the associated artifacts but also the patient's discomfort, thus PET acceleration is desirable. However, accelerating PET acquisition will…

图像与视频处理 · 电气工程与系统科学 2023-02-15 Bo Zhou , Yu-Jung Tsai , Jiazhen Zhang , Xueqi Guo , Huidong Xie , Xiongchao Chen , Tianshun Miao , Yihuan Lu , James S. Duncan , Chi Liu

Motion represents one of the major challenges in magnetic resonance imaging (MRI). Since the MR signal is acquired in frequency space, any motion of the imaged object leads to complex artefacts in the reconstructed image in addition to…

图像与视频处理 · 电气工程与系统科学 2023-10-24 Veronika Spieker , Hannah Eichhorn , Kerstin Hammernik , Daniel Rueckert , Christine Preibisch , Dimitrios C. Karampinos , Julia A. Schnabel