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Related papers: 7T MRI Synthesization from 3T Acquisitions

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Purpose: To systematically investigate the influence of various data consistency layers, (semi-)supervised learning and ensembling strategies, defined in a $\Sigma$-net, for accelerated parallel MR image reconstruction using deep learning.…

Image and Video Processing · Electrical Eng. & Systems 2019-12-20 Kerstin Hammernik , Jo Schlemper , Chen Qin , Jinming Duan , Ronald M. Summers , Daniel Rueckert

The difficulties in both data acquisition and annotation substantially restrict the sample sizes of training datasets for 3D medical imaging applications. As a result, constructing high-performance 3D convolutional neural networks from…

Image and Video Processing · Electrical Eng. & Systems 2022-01-06 Shu Zhang , Zihao Li , Hong-Yu Zhou , Jiechao Ma , Yizhou Yu

Magnetic resonance imaging (MRI) is widely used for screening, diagnosis, image-guided therapy, and scientific research. A significant advantage of MRI over other imaging modalities such as computed tomography (CT) and nuclear imaging is…

Image and Video Processing · Electrical Eng. & Systems 2020-02-20 Qing Lyu , Hongming Shan , Ge Wang

Automated retinal image medical description generation is crucial for streamlining medical diagnosis and treatment planning. Existing challenges include the reliance on learned retinal image representations, difficulties in handling…

Computer Vision and Pattern Recognition · Computer Science 2024-12-24 Nagur Shareef Shaik , Teja Krishna Cherukuri , Dong Hye Ye

There is much recent interest in techniques to accelerate the data acquisition process in MRI by acquiring limited measurements. Often sophisticated reconstruction algorithms are deployed to maintain high image quality in such settings. In…

Image and Video Processing · Electrical Eng. & Systems 2022-05-20 Zhishen Huang , Saiprasad Ravishankar

Although existing deep learning compressed-sensing-based Magnetic Resonance Imaging (CS-MRI) methods have achieved considerably impressive performance, explainability and generalizability continue to be challenging for such methods since…

Image and Video Processing · Electrical Eng. & Systems 2023-03-14 Xiaohong Fan , Yin Yang , Ke Chen , Jianping Zhang , Ke Dong

Adversarially trained deep neural networks have significantly improved performance of single image super resolution, by hallucinating photorealistic local textures, thereby greatly reducing the perception difference between a real high…

Computer Vision and Pattern Recognition · Computer Science 2019-01-23 Francis Tom , Himanshu Sharma , Dheeraj Mundhra , Tathagato Rai Dastidar , Debdoot Sheet

Multiple imaging modalities are often used for disease diagnosis, prediction, or population-based analyses. However, not all modalities might be available due to cost, different study designs, or changes in imaging technology. If the…

Image and Video Processing · Electrical Eng. & Systems 2023-03-21 Boqi Chen , Marc Niethammer

\emph{Objective and Impact Statement}. With the renaissance of deep learning, automatic diagnostic systems for computed tomography (CT) have achieved many successful applications. However, they are mostly attributed to careful expert…

Computer Vision and Pattern Recognition · Computer Science 2021-08-19 Penghua Zhai , Huaiwei Cong , Gangming Zhao , Chaowei Fang , Jinpeng Li , Ting Cai , Huiguang He

Purpose: To improve the image quality of highly accelerated multi-channel MRI data by learning a joint variational network that reconstructs multiple clinical contrasts jointly. Methods: Data from our multi-contrast acquisition was embedded…

Image and Video Processing · Electrical Eng. & Systems 2019-10-09 Daniel Polak , Stephen Cauley , Berkin Bilgic , Enhao Gong , Peter Bachert , Elfar Adalsteinsson , Kawin Setsompop

Vision foundation models (VFMs) are pre-trained on extensive image datasets to learn general representations for diverse types of data. These models can subsequently be fine-tuned for specific downstream tasks, significantly boosting…

Computer Vision and Pattern Recognition · Computer Science 2025-02-25 Shansong Wang , Mojtaba Safari , Qiang Li , Chih-Wei Chang , Richard LJ Qiu , Justin Roper , David S. Yu , Xiaofeng Yang

Magnetic resonance imaging (MRI) is extensively used for diagnosis and image-guided therapeutics. Due to hardware, physical and physiological limitations, acquisition of high-resolution MRI data takes long scan time at high system cost, and…

Medical Physics · Physics 2018-10-17 Qing Lyu , Chenyu You , Hongming Shan , Ge Wang

Magnetic resonance imaging (MRI) is an essential diagnostic tool that suffers from prolonged scan times. Reconstruction methods can alleviate this limitation by recovering clinically usable images from accelerated acquisitions. In…

Image and Video Processing · Electrical Eng. & Systems 2023-01-09 Salman UH Dar , Şaban Öztürk , Muzaffer Özbey , Tolga Çukur

It is well known that magnetic resonance imaging (MRI) at 7 Tesla (7T) and higher magnets can provide much better signal sensitivity compared with lower field strengths. However, variety of commercially available ultra-high-field MRI coils…

Medical Physics · Physics 2020-06-05 Akbar Alipour , Alan C Seifert , Bradley Delman , Gregor Adriany , Priti Balchandani

Magnetic resonance imaging (MRI) has played a crucial role in fetal neurodevelopmental research. Structural annotations of MR images are an important step for quantitative analysis of the developing human brain, with Deep Learning providing…

Purpose: Real time monitoring of dynamic magnetic fields has recently become a commercially available option for measuring MRI k-space trajectories and magnetic fields induced by eddy currents in real time. However, for accurate image…

Medical Physics · Physics 2022-05-30 Paul I. Dubovan , Corey A. Baron

Background: Deep learning superresolution (SR) may enhance musculoskeletal MR image quality, but its diagnostic value in knee imaging at 7T is unclear. Objectives: To compare image quality and diagnostic performance of SR, low-resolution…

Image and Video Processing · Electrical Eng. & Systems 2026-01-07 Pinzhen Chen , Libo Xu , Boyang Pan , Jing Li , Yuting Wang , Ran Xiong , Xiaoli Gou , Long Qing , Wenjing Hou , Nan-jie Gong , Wei Chen

Medical image analysis using deep neural networks has been actively studied. Deep neural networks are trained by learning data. For accurate training of deep neural networks, the learning data should be sufficient, of good quality, and…

Image and Video Processing · Electrical Eng. & Systems 2021-01-05 Sunho Kim , Byungjai Kim , HyunWook Park

Neuroimaging consortia can enhance reliability and generalizability of findings by pooling data across studies to achieve larger sample sizes. To adjust for site and MRI protocol effects, imaging datasets are often harmonized based on…

Quantitative Methods · Quantitative Biology 2024-03-04 Shruti P. Gadewar , Alyssa H. Zhu , Iyad Ba Gari , Sunanda Somu , Sophia I. Thomopoulos , Paul M. Thompson , Talia M. Nir , Neda Jahanshad

Realistic synthetic image data rendered from 3D models can be used to augment image sets and train image classification semantic segmentation models. In this work, we explore how high quality physically-based rendering and domain…

Computer Vision and Pattern Recognition · Computer Science 2022-12-14 Jason W. Anderson , Marcin Ziolkowski , Ken Kennedy , Amy W. Apon
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