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Related papers: ULF-Synth: Physics-Guided Ultra-Low-Field MRI Enha…

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We present an unsupervised single image bidirectional Magnetic Resonance Image (MRI) synthesizer that synthesizes an Ultra-Low Field (ULF) like image from a High-Field (HF) magnitude image and vice-versa. Unlike existing MRI synthesis…

Computer Vision and Pattern Recognition · Computer Science 2025-11-20 Pranav Indrakanti , Ivor Simpson

Ultra-low-field (ULF) MRI promises broader accessibility but suffers from low signal-to-noise ratio (SNR), reduced spatial resolution, and contrasts that deviate from high-field standards. Image-to-image translation can map ULF images to a…

Image and Video Processing · Electrical Eng. & Systems 2025-11-13 Felix F Zimmermann

Ultra-low-field (ULF) MRI offers portable and low-cost imaging but suffers from poor image quality. To address this, we present our submission to the 2025 ULF Enhancement Challenge (ULF-EnC), where the goal is to synthesise high-field-like…

Computer Vision and Pattern Recognition · Computer Science 2026-05-28 James Grover , Andrew Phair , Michael Ferraro , David E. J. Waddington

Fetal brain magnetic resonance imaging (MRI) offers exquisite images of the developing brain but is not suitable for second-trimester anomaly screening, for which ultrasound (US) is employed. Although expert sonographers are adept at…

Image and Video Processing · Electrical Eng. & Systems 2020-08-21 Jianbo Jiao , Ana I. L. Namburete , Aris T. Papageorghiou , J. Alison Noble

Low-field (LF) magnetic resonance imaging (MRI) improves accessibility and reduces costs but generally has lower signal-to-noise ratios and degraded contrast compared to high field (HF) MRI, limiting its clinical utility. Simulating LF MRI…

Image and Video Processing · Electrical Eng. & Systems 2026-03-27 Ziqi Gao , Nicha Dvornek , Xiaoran Zhang , Gigi Galiana , Hemant Tagare , Todd Constable

Fetal brain magnetic resonance imaging (MRI) offers exquisite images of the developing brain but is not suitable for anomaly screening. For this ultrasound (US) is employed. While expert sonographers are adept at reading US images, MR…

Computer Vision and Pattern Recognition · Computer Science 2019-09-19 Jianbo Jiao , Ana I. L. Namburete , Aris T. Papageorghiou , J. Alison Noble

Ultrahigh-field (UHF) magnetic resonance imaging (MRI), i.e., 7T MRI, provides superior anatomical details of internal brain structures owing to its enhanced signal-to-noise ratio and susceptibility-induced contrast. However, the widespread…

Computer Vision and Pattern Recognition · Computer Science 2024-02-14 Kwanseok Oh , Jieun Lee , Da-Woon Heo , Dinggang Shen , Heung-Il Suk

Low-field (LF) MRI scanners have the power to revolutionize medical imaging by providing a portable and cheaper alternative to high-field MRI scanners. However, such scanners are usually significantly noisier and lower quality than their…

Image and Video Processing · Electrical Eng. & Systems 2022-11-29 Aryan Kalluvila , Neha Koonjoo , Danyal Bhutto , Marcio Rockenbach , Matthew S. Rosen

The recent introduction of portable, low-field MRI (LF-MRI) into the clinical setting has the potential to transform neuroimaging. However, LF-MRI is limited by lower resolution and signal-to-noise ratio, leading to incomplete…

Synthesizing high-quality images from low-field MRI holds significant potential. Low-field MRI is cheaper, more accessible, and safer, but suffers from low resolution and poor signal-to-noise ratio. This synthesis process can reduce…

Computer Vision and Pattern Recognition · Computer Science 2025-10-16 Zhenxuan Zhang , Peiyuan Jing , Zi Wang , Ula Briski , Coraline Beitone , Yue Yang , Yinzhe Wu , Fanwen Wang , Liutao Yang , Jiahao Huang , Zhifan Gao , Zhaolin Chen , Kh Tohidul Islam , Guang Yang , Peter J. Lally

Ultra-Wide-Field (UWF) retinal imaging has revolutionized retinal diagnostics by providing a comprehensive view of the retina. However, it often suffers from quality-degrading factors such as blurring and uneven illumination, which obscure…

Computer Vision and Pattern Recognition · Computer Science 2025-08-28 Weicheng Liao , Zan Chen , Jianyang Xie , Yalin Zheng , Yuhui Ma , Yitian Zhao

Functional ultrasound (fUS) is a neuroimaging technique known for its high spatiotemporal resolution, enabling non-invasive observation of brain activity through neurovascular coupling. Despite its potential in clinical applications such as…

Image and Video Processing · Electrical Eng. & Systems 2025-08-20 Zhuo Li , Xuhang Chen , Shuqiang Wang , Bin Yuan , Nou Sotheany , Ngeth Rithea

Multi-institutional collaborations are key for learning generalizable MRI synthesis models that translate source- onto target-contrast images. To facilitate collaboration, federated learning (FL) adopts decentralized training and mitigates…

Image and Video Processing · Electrical Eng. & Systems 2022-08-24 Onat Dalmaz , Usama Mirza , Gökberk Elmas , Muzaffer Özbey , Salman UH Dar , Emir Ceyani , Salman Avestimehr , Tolga Çukur

Unsupervised learning based multi-scale exposure fusion (ULMEF) is efficient for fusing differently exposed low dynamic range (LDR) images into a higher quality LDR image for a high dynamic range (HDR) scene. Unlike supervised learning,…

Computer Vision and Pattern Recognition · Computer Science 2024-09-27 Chaobing Zheng , Shiqian Wu , Zhenggguo Li

Ultra-low-field (ULF) MRI is emerging as an alternative modality to high-field (HF) MRI due to its lower cost, minimal siting requirements, portability, and enhanced accessibility factors that enable large-scale deployment. Although ULF-MRI…

Early identification of neurodevelopmental disorders relies on accurate segmentation of brain structures in infancy, a task complicated by rapid brain growth, poor tissue contrast, and motion artifacts in pediatric MRI. These challenges are…

Image and Video Processing · Electrical Eng. & Systems 2026-02-13 Vladyslav Zalevskyi , Dondu-Busra Bulut , Thomas Sanchez , Meritxell Bach Cuadra

Portable ultra-low-field MRI (uLF-MRI, 0.064 T) offers accessible neuroimaging for neonatal care but suffers from low signal-to-noise ratio and poor diagnostic quality compared to high-field (HF) MRI. We propose MRIQT, a 3D conditional…

Computer Vision and Pattern Recognition · Computer Science 2026-03-09 Malek Al Abed , Sebiha Demir , Anne Groteklaes , Elodie Germani , Shahrooz Faghihroohi , Hemmen Sabir , Shadi Albarqouni

Low-field magnetic resonance imaging (MRI) offers a cost-effective alternative for medical imaging in resource-limited settings. However, its widespread adoption is hindered by two key challenges: prolonged scan times and reduced image…

Computer Vision and Pattern Recognition · Computer Science 2026-03-17 Daniel Tweneboah Anyimadu , Mohammed Abdalla , Mohammed M. Abdelsamea , Ahmed Karam Eldaly

Ultrasound offers a safe, cost-effective, and widely accessible technology for fetal brain imaging, making it especially suitable for routine clinical use. However, it suffers from view-dependent artifacts, operator variability, and a…

Image and Video Processing · Electrical Eng. & Systems 2026-01-13 Mohammad Khateri , Morteza Ghahremani , Sergio Valencia , Camilo Jaimes , Alejandra Sierra , Jussi Tohka , P. Ellen Grant , Davood Karimi

Multi-modality magnetic resonance imaging (MRI) is essential for the diagnosis and treatment of brain tumors. However, missing modalities are commonly observed due to limitations in scan time, scan corruption, artifacts, motion, and…

Image and Video Processing · Electrical Eng. & Systems 2025-01-08 Xiaojiao Xiao , Qinmin Vivian Hu , Guanghui Wang
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