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Functional MRI (fMRI) is an important tool for non-invasive studies of brain function. Over the past decade, multi-echo fMRI methods that sample multiple echo times has become popular with potential to improve quantification. While these…

图像与视频处理 · 电气工程与系统科学 2023-12-12 Hongyi Gu , Chi Zhang , Zidan Yu , Christoph Rettenmeier , V. Andrew Stenger , Mehmet Akçakaya

The non-uniform sampling is a powerful approach to enable fast acquisition but requires sophisticated reconstruction algorithms. Faithful reconstruction from partial sampled exponentials is highly expected in general signal processing and…

Deep learning (DL) techniques have been extensively employed in magnetic resonance imaging (MRI) reconstruction, delivering notable performance enhancements over traditional non-DL methods. Nonetheless, recent studies have identified…

图像与视频处理 · 电气工程与系统科学 2025-12-04 Ismail Alkhouri , Shijun Liang , Rongrong Wang , Qing Qu , Saiprasad Ravishankar

We present a deep learning model to automatically generate computer models of the human heart from patient imaging data with an emphasis on its capability to generate thin-walled cardiac structures. Our method works by deforming a template…

计算机视觉与模式识别 · 计算机科学 2024-01-05 Arjun Narayanan , Fanwei Kong , Shawn Shadden

This paper presents a nonlinear reduced-order modeling (ROM) framework that leverages deep learning and manifold learning to predict compressible flow fields with complex nonlinear features, including shock waves. The proposed DeepManifold…

流体动力学 · 物理学 2024-12-17 Bilal Mufti , Christian Perron , Dimitri N. Mavris

Objectives Parametric tissue mapping enables quantitative cardiac tissue characterization but is limited by inter-observer variability during manual delineation. Traditional approaches relying on average relaxation values and single cutoffs…

图像与视频处理 · 电气工程与系统科学 2025-07-02 Andreea Bianca Popescu , Andreas Seitz , Heiko Mahrholdt , Jens Wetzl , Athira Jacob , Lucian Mihai Itu , Constantin Suciu , Teodora Chitiboi

Automated identification of myocardial scar from late gadolinium enhancement cardiac magnetic resonance images (LGE-CMR) is limited by image noise and artifacts such as those related to motion and partial volume effect. This paper presents…

图像与视频处理 · 电气工程与系统科学 2022-11-14 Jiarui Xing , Shuo Wang , Kenneth C. Bilchick , Amit R. Patel , Miaomiao Zhang

Reconstructing dynamic MRI image sequences from undersampled accelerated measurements is crucial for faster and higher spatiotemporal resolution real-time imaging of cardiac motion, free breathing motion and many other applications.…

图像与视频处理 · 电气工程与系统科学 2025-06-10 Andrew Wang , Mike Davies

Deep learning (DL) has shown promise for faster, high quality accelerated MRI reconstruction. However, supervised DL methods depend on extensive amounts of fully-sampled (labeled) data and are sensitive to out-of-distribution (OOD) shifts,…

Establishing patient-specific finite element analysis (FEA) models for computational fluid dynamics (CFD) of double stenosed artery models involves time and effort, restricting physicians' ability to respond quickly in time-critical medical…

医学物理 · 物理学 2022-02-18 Ishat Raihan Jamil , Mayeesha Humaira

Lately, deep learning has been extensively investigated for accelerating dynamic magnetic resonance (MR) imaging, with encouraging progresses achieved. However, without fully sampled reference data for training, current approaches may have…

图像与视频处理 · 电气工程与系统科学 2022-08-09 Juan Zou , Cheng Li , Sen Jia , Ruoyou Wu , Tingrui Pei , Hairong Zheng , Shanshan Wang

Dynamic fetal heart magnetic resonance imaging (MRI) presents unique challenges due to the fast heart rate of the fetus compared to adult subjects and uncontrolled fetal motion. This requires high temporal and spatial resolutions over a…

图像与视频处理 · 电气工程与系统科学 2024-12-23 Denis Prokopenko , David F. A. Lloyd , Amedeo Chiribiri , Daniel Rueckert , Joseph V. Hajnal

Respiratory diseases remain major global health challenges, and traditional auscultation is often limited by subjectivity, environmental noise, and inter-clinician variability. This study presents an explainable multimodal deep learning…

声音 · 计算机科学 2025-12-02 S M Asiful Islam Saky , Md Rashidul Islam , Md Saiful Arefin , Shahaba Alam

Image reconstruction from undersampled k-space data has been playing an important role for fast MRI. Recently, deep learning has demonstrated tremendous success in various fields and also shown potential to significantly speed up MR…

图像与视频处理 · 电气工程与系统科学 2019-07-30 Dong Liang , Jing Cheng , Ziwen Ke , Leslie Ying

We propose a self-supervised feature learning assisted reconstruction (SSFL-Recon) framework for MRI reconstruction to address the limitation of existing supervised learning methods. Although recent deep learning-based methods have shown…

图像与视频处理 · 电气工程与系统科学 2025-05-30 Siying Xu , Marcel Früh , Kerstin Hammernik , Andreas Lingg , Jens Kübler , Patrick Krumm , Daniel Rueckert , Sergios Gatidis , Thomas Küstner

3D motion estimation from cine cardiac magnetic resonance (CMR) images is important for the assessment of cardiac function and the diagnosis of cardiovascular diseases. Current state-of-the art methods focus on estimating dense…

图像与视频处理 · 电气工程与系统科学 2023-09-26 Qingjie Meng , Wenjia Bai , Declan P O'Regan , and Daniel Rueckert

Accelerated multi-coil magnetic resonance imaging reconstruction has seen a substantial recent improvement combining compressed sensing with deep learning. However, most of these methods rely on estimates of the coil sensitivity profiles,…

信号处理 · 电气工程与系统科学 2021-04-13 Marius Arvinte , Sriram Vishwanath , Ahmed H. Tewfik , Jonathan I. Tamir

Cardiac magnetic resonance imaging (CMR) has emerged as a valuable diagnostic tool for cardiac diseases. However, a limitation of CMR is its slow imaging speed, which causes patient discomfort and introduces artifacts in the images. There…

Data-driven approaches recently achieved remarkable success in magnetic resonance imaging (MRI) reconstruction, but integration into clinical routine remains challenging due to a lack of generalizability and interpretability. In this paper,…

图像与视频处理 · 电气工程与系统科学 2023-10-20 Martin Zach , Florian Knoll , Thomas Pock

High-quality volumetric meshing from medical images is a key bottleneck for physics-based simulations in personalized medicine. For volumetric meshing of complex medical structures, recent studies have often utilized deep learning…

图像与视频处理 · 电气工程与系统科学 2025-06-11 Daniel H. Pak , Shubh Thaker , Kyle Baylous , Xiaoran Zhang , Danny Bluestein , James S. Duncan