English
Related papers

Related papers: Deep Learning using K-space Based Data Augmentatio…

200 papers

Good quality of medical images is a prerequisite for the success of subsequent image analysis pipelines. Quality assessment of medical images is therefore an essential activity and for large population studies such as the UK Biobank (UKBB),…

Computer Vision and Pattern Recognition · Computer Science 2018-12-12 Ilkay Oksuz , Bram Ruijsink , Esther Puyol-Anton , James Clough , Gastao Cruz , Aurelien Bustin , Claudia Prieto , Rene Botnar , Daniel Rueckert , Julia A. Schnabel , Andrew P. King

In fully sampled cardiac MR (CMR) acquisitions, motion can lead to corruption of k-space lines, which can result in artefacts in the reconstructed images. In this paper, we propose a method to automatically detect and correct motion-related…

Image and Video Processing · Electrical Eng. & Systems 2019-06-14 lkay Oksuz , James Clough , Bram Ruijsink , Esther Puyol-Anton , Aurelien Bustin , Gastao Cruz , Claudia Prieto , Daniel Rueckert , Andrew P. King , Julia A. Schnabel

Segmenting anatomical structures in medical images has been successfully addressed with deep learning methods for a range of applications. However, this success is heavily dependent on the quality of the image that is being segmented. A…

Image and Video Processing · Electrical Eng. & Systems 2020-07-06 Ilkay Oksuz , James R. Clough , Bram Ruijsink , Esther Puyol Anton , Aurelien Bustin , Gastao Cruz , Claudia Prieto , Andrew P. King , Julia A. Schnabel

The effectiveness of a cardiovascular magnetic resonance (CMR) scan depends on the ability of the operator to correctly tune the acquisition parameters to the subject being scanned and on the potential occurrence of imaging artefacts such…

Background and Objectives: Cardiovascular magnetic resonance (CMR) imaging is a powerful modality in functional and anatomical assessment for various cardiovascular diseases. Sufficient image quality is essential to achieve proper diagnosis…

Image and Video Processing · Electrical Eng. & Systems 2023-10-02 Shahabedin Nabavi , Hossein Simchi , Mohsen Ebrahimi Moghaddam , Ahmad Ali Abin , Alejandro F. Frangi

In-scanner motion degrades the quality of magnetic resonance imaging (MRI) thereby reducing its utility in the detection of clinically relevant abnormalities. We introduce a deep learning-based MRI artifact reduction model (DMAR) to…

Image and Video Processing · Electrical Eng. & Systems 2020-11-03 Yijun Zhao , Jacek Ossowski , Xuming Wang , Shangjin Li , Orrin Devinsky , Samantha P. Martin , Heath R. Pardoe

Population imaging studies rely upon good quality medical imagery before downstream image quantification. This study provides an automated approach to assess image quality from cardiovascular magnetic resonance (CMR) imaging at scale. We…

Image and Video Processing · Electrical Eng. & Systems 2025-10-28 Shahabedin Nabavi , Hossein Simchi , Mohsen Ebrahimi Moghaddam , Alejandro F. Frangi , Ahmad Ali Abin

Quality assessment of diffusion MRI (dMRI) data is essential prior to any analysis, so that appropriate pre-processing can be used to improve data quality and ensure that the presence of MRI artifacts do not affect the results of subsequent…

Image and Video Processing · Electrical Eng. & Systems 2019-11-19 Zahra Riahi Samani , Jacob Antony Alappatt , Drew Parker , Abdol Aziz Ould Ismail , Ragini Verma

Purpose: To develop a pipeline for motion artifact correction in mGRE and quantitative susceptibility mapping (QSM). Methods: Deep learning is integrated with autofocus to improve motion artifact suppression, which is applied QSM of…

Signal Processing · Electrical Eng. & Systems 2024-05-28 Chao Li , Jinwei Zhang , Hang Zhang , Jiahao Li , Pascal Spincemaille , Thanh D. Nguyen , Yi Wang

Cine cardiac magnetic resonance (CMR) imaging is considered the gold standard for cardiac function evaluation. However, cine CMR acquisition is inherently slow and in recent decades considerable effort has been put into accelerating scan…

Motion artifacts in Magnetic Resonance Imaging (MRI) are one of the frequently occurring artifacts due to patient movements during scanning. Motion is estimated to be present in approximately 30% of clinical MRI scans; however, motion has…

Image and Video Processing · Electrical Eng. & Systems 2024-05-29 Zhifeng Chen , Kamlesh Pawar , Kh Tohidul Islam , Himashi Peiris , Gary Egan , Zhaolin Chen

Cardiovascular Magnetic Resonance (CMR) plays an important role in the diagnoses and treatment of cardiovascular diseases while motion artifacts which are formed during the scanning process of CMR seriously affects doctors to find the exact…

Computer Vision and Pattern Recognition · Computer Science 2019-03-01 Yunxuan Zhang , Weiliang Zhang , Qinyan Zhang , Jijiang Yang , Xiuyu Chen , Shihua Zhao

Cardiac Magnetic Resonance Imaging (MRI) plays an important role in the analysis of cardiac function. However, the acquisition is often accompanied by motion artefacts because of the difficulty of breath-hold, especially for acute symptoms…

Image and Video Processing · Electrical Eng. & Systems 2022-10-17 Ruizhe Li , Xin Chen

Cine cardiac magnetic resonance imaging (MRI) is widely used for diagnosis of cardiac diseases thanks to its ability to present cardiovascular features in excellent contrast. As compared to computed tomography (CT), MRI, however, requires a…

Image and Video Processing · Electrical Eng. & Systems 2020-06-24 Qing Lyu , Hongming Shan , Yibin Xie , Debiao Li , Ge Wang

Motion artefacts created by patient motion during an MRI scan occur frequently in practice, often rendering the scans clinically unusable and requiring a re-scan. While many methods have been employed to ameliorate the effects of patient…

Image and Video Processing · Electrical Eng. & Systems 2020-06-30 Michael Rotman , Rafi Brada , Israel Beniaminy , Sangtae Ahn , Christopher J. Hardy , Lior Wolf

Quality assessment, including inspecting the images for artifacts, is a critical step during MRI data acquisition to ensure data quality and downstream analysis or interpretation success. This study demonstrates a deep learning model to…

Computer Vision and Pattern Recognition · Computer Science 2024-02-15 Marina Manso Jimeno , Keerthi Sravan Ravi , Maggie Fung , John Thomas Vaughan, , Sairam Geethanath

Cardiovascular magnetic resonance (CMR) imaging is the gold standard for diagnosing several heart diseases due to its non-invasive nature and proper contrast. MR imaging is time-consuming because of signal acquisition and image formation…

Image and Video Processing · Electrical Eng. & Systems 2025-04-29 Kian Anvari Hamedani , Narges Razizadeh , Shahabedin Nabavi , Mohsen Ebrahimi Moghaddam

MR data are acquired in the frequency domain, known as k-space. Acquiring high-quality and high-resolution MR images can be time-consuming, posing a significant challenge when multiple sequences providing complementary contrast information…

Computer Vision and Pattern Recognition · Computer Science 2025-12-01 Georgia Kanli , Daniele Perlo , Selma Boudissa , Radovan Jirik , Olivier Keunen

Cardiac magnetic resonance imaging is a valuable non-invasive tool for identifying cardiovascular diseases. For instance, Cine MRI is the benchmark modality for assessing the cardiac function and anatomy. On the other hand, multi-contrast…

Image and Video Processing · Electrical Eng. & Systems 2023-10-11 George Yiasemis , Nikita Moriakov , Jan-Jakob Sonke , Jonas Teuwen
‹ Prev 1 2 3 10 Next ›