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Compressed Sensing MRI (CS-MRI) has provided theoretical foundations upon which the time-consuming MRI acquisition process can be accelerated. However, it primarily relies on iterative numerical solvers which still hinders their adaptation…

计算机视觉与模式识别 · 计算机科学 2018-06-12 Tran Minh Quan , Thanh Nguyen-Duc , Won-Ki Jeong

Machine Learning (ML) models typically require large-scale, balanced training data to be robust, generalizable, and effective in the context of healthcare. This has been a major issue for developing ML models for the coronavirus-disease…

With respect to spatial overlap, CNN-based segmentation of short axis cardiovascular magnetic resonance (CMR) images has achieved a level of performance consistent with inter observer variation. However, conventional training procedures…

图像与视频处理 · 电气工程与系统科学 2020-08-24 Nick Byrne , James R. Clough , Giovanni Montana , Andrew P. King

Compressed Sensing Magnetic Resonance Imaging (CS-MRI) significantly accelerates MR data acquisition at a sampling rate much lower than the Nyquist criterion. A major challenge for CS-MRI lies in solving the severely ill-posed inverse…

图像与视频处理 · 电气工程与系统科学 2019-10-30 Risheng Liu , Yuxi Zhang , Shichao Cheng , Zhongxuan Luo , Xin Fan

Cross-modal retrieval (CMR) has been extensively applied in various domains, such as multimedia search engines and recommendation systems. Most existing CMR methods focus on image-to-text retrieval, whereas audio-to-text retrieval, a less…

声音 · 计算机科学 2023-09-19 Kaiyi Luo , Xulong Zhang , Jianzong Wang , Huaxiong Li , Ning Cheng , Jing Xiao

Magnetic Resonance Imaging (MRI) is a critical tool in modern medical diagnostics, yet its prolonged acquisition time remains a critical limitation, especially in time-sensitive clinical scenarios. While undersampling strategies can…

图像与视频处理 · 电气工程与系统科学 2025-10-09 Mohammed Alsubaie , Wenxi Liu , Linxia Gu , Ovidiu C. Andronesi , Sirani M. Perera , Xianqi Li

We went below the MRI acceleration factors (a.k.a., k-space undersampling) reported by all published papers that reference the original fastMRI challenge, and then considered powerful deep learning based image enhancement methods to…

计算机视觉与模式识别 · 计算机科学 2021-10-01 Aleksandr Belov , Joel Stadelmann , Sergey Kastryulin , Dmitry V. Dylov

Purpose: To propose a novel deep learning-based method called RG-Net (reconstruction and generation network) for highly accelerated MR parametric mapping by undersampling k-space and reducing the acquired contrast number simultaneously.…

图像与视频处理 · 电气工程与系统科学 2021-12-03 Yanjie Zhu , Haoxiang Li , Yuanyuan Liu , Muzi Guo , Guanxun Cheng , Gang Yang , Haifeng Wang , Dong Liang

Purpose: Repeated brain MRI scans are performed in many clinical scenarios, such as follow up of patients with tumors and therapy response assessment. In this paper, the authors show an approach to utilize former scans of the patient for…

医学物理 · 物理学 2017-08-28 Lior Weizman , Yonina C. Eldar , Dafna Ben Bashat

This article presents a novel undersampled magnetic resonance imaging (MRI) technique that leverages the concept of Neural Radiance Field (NeRF). With radial undersampling, the corresponding imaging problem can be reformulated into an image…

图像与视频处理 · 电气工程与系统科学 2024-03-05 Tae Jun Jang , Chang Min Hyun

Dynamic magnetic resonance imaging (MRI) plays an indispensable role in cardiac diagnosis. To enable fast imaging, the k-space data can be undersampled but the image reconstruction poses a great challenge of high-dimensional processing.…

图像与视频处理 · 电气工程与系统科学 2024-10-03 Zi Wang , Min Xiao , Yirong Zhou , Chengyan Wang , Naiming Wu , Yi Li , Yiwen Gong , Shufu Chang , Yinyin Chen , Liuhong Zhu , Jianjun Zhou , Congbo Cai , He Wang , Di Guo , Guang Yang , Xiaobo Qu

Motion degradation is a central problem in Magnetic Resonance Imaging (MRI). This work addresses the problem of how to obtain higher quality, super-resolved motion-free, reconstructions from highly undersampled MRI data. In this work, we…

图像与视频处理 · 电气工程与系统科学 2019-08-19 Veronica Corona , Angelica I. Aviles-Rivero , Noémie Debroux , Carole Le Guyader , Carola-Bibiane Schönlieb

Quantitative magnetic resonance imaging (qMRI) provides tissue-specific parameters vital for clinical diagnosis. Although simultaneous multi-parametric qMRI (MP-qMRI) technologies enhance imaging efficiency, robustly reconstructing qMRI…

图像与视频处理 · 电气工程与系统科学 2025-06-12 Haonan Zhang , Guoyan Lao , Yuyao Zhang , Hongjiang Wei

Automated radiology report generation has the potential to improve radiology reporting and alleviate the workload of radiologists. However, the medical report generation task poses unique challenges due to the limited availability of…

计算与语言 · 计算机科学 2023-12-27 Ruoqing Zhao , Xi Wang , Hongliang Dai , Pan Gao , Piji Li

MRI images of the same subject in different contrasts contain shared information, such as the anatomical structure. Utilizing the redundant information amongst the contrasts to sub-sample and faithfully reconstruct multi-contrast images…

计算机视觉与模式识别 · 计算机科学 2021-04-01 Xinwen Liu , Jing Wang , Fangfang Tang , Shekhar S. Chandra , Feng Liu , Stuart Crozier

Accurate prediction of cardiovascular diseases remains imperative for early diagnosis and intervention, necessitating robust and precise predictive models. Recently, there has been a growing interest in multi-modal learning for uncovering…

计算机视觉与模式识别 · 计算机科学 2024-11-12 Francesco Girlanda , Olga Demler , Bjoern Menze , Neda Davoudi

Diffusion Tensor Cardiac Magnetic Resonance (DT-CMR) enables us to probe the microstructural arrangement of cardiomyocytes within the myocardium in vivo and non-invasively, which no other imaging modality allows. This innovative technology…

图像与视频处理 · 电气工程与系统科学 2022-06-22 Michael Tanzer , Pedro Ferreira , Andrew Scott , Zohya Khalique , Maria Dwornik , Dudley Pennell , Guang Yang , Daniel Rueckert , Sonia Nielles-Vallespin

Magnetic resonance imaging (MRI) is a crucial tool for clinical diagnosis while facing the challenge of long scanning time. To reduce the acquisition time, fast MRI reconstruction aims to restore high-quality images from the undersampled…

图像与视频处理 · 电气工程与系统科学 2025-03-14 Yucong Meng , Zhiwei Yang , Minghong Duan , Yonghong Shi , Zhijian Song

Magnetic Resonance (MR) image reconstruction from highly undersampled $k$-space data is critical in accelerated MR imaging (MRI) techniques. In recent years, deep learning-based methods have shown great potential in this task. This paper…

图像与视频处理 · 电气工程与系统科学 2022-08-25 Bingyu Xin , Timothy S. Phan , Leon Axel , Dimitris N. Metaxas

Besides a 3D mesh, Human Mesh Recovery (HMR) methods usually need to estimate a camera for computing 2D reprojection loss. Previous approaches may encounter the following problem: both the mesh and camera are not correct but the combination…

计算机视觉与模式识别 · 计算机科学 2024-10-02 Yongwei Nie , Changzhen Liu , Chengjiang Long , Qing Zhang , Guiqing Li , Hongmin Cai