Cape Town - 2026 ISMRM-ISMRT Annual Meeting and Exhibition • 09-14 May 2026

Digital Poster

Image Reconstruction I

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Image Reconstruction I
Digital Poster
Acquisition & Reconstruction
Wednesday, 13 May 2026
Digital Posters Row I
16:00 - 16:55
Session Number: 568-05
No CME/CE Credit
Digital posters on image reconstruction topics, both AI and non-AI.

  Figure 568-05-001.  Multi-Shot EPIK MRI Reconstruction with Deep Learning–Based Geometric Distortion Correction at 7 T
Chaeeun Lim, Seong Dae Yun, N. Jon Shah, Jaejin Cho
Sejong University, Seoul, Korea, Republic of
Impact: Highly accelerated multi-shot EPIK MRI, integrated with deep learning–based distortion correction, enables rapid and distortion-suppressed high-resolution whole-brain imaging. This approach enhances spatial fidelity and supports improved signal quality compared to conventional EPIK, facilitating more precise functional mapping at ultra-high fields.
  Figure 568-05-002.  Highly accelerated fat-water separated cardiac cine MRI using pseudo-random sampling and sparsity adaptive reconstruction
Neeraja Mahalingam, YINGMIN LIU, Yu Ding, Ruoxun Zi, Matthew Tong, Rizwan Ahmad, Orlando Simonetti
The Ohio State University Wexner Medical Center, Columbus, United States of America
Impact: Our approach uses pseudo-random sampling and compressed sensing to generate high quality fat–water cine MRI within feasible breath-holds, with the aim of enhancing detection of intramyocardial fatty infiltration and pericardial abnormalities, while reducing scan time and improving patient tolerance.
  Figure 568-05-003.  Fast, sharp, and reliable: Optimizing myocardial T1 mapping with compressed sensing and deep learning-based reconstruction
Alessio Perazzolo, Camilla Vita, Vincenzo Scialò, Mohamed Gamal, Tzu Cheng Chao, Jacinta Browne, Omer Demirel, Spencer Waddle, Tim Leiner
Mayo Clinic, Rochester, United States of America
Impact: Compressed sensing accelerates acquisition, whereas higher spatial resolution and DL-denoising enhance image quality. Together, these approaches enable efficient, patient-tailored native T1 mapping protocols that expand the clinical applicability of quantitative CMR without compromising measurement accuracy.
  Figure 568-05-004.  Physics-Informed Low-Field Nipah Virus MRI Image Reconstruction of Non-Human Primates in a BSL-4 Facility
Ajay Sharma, Ivan Etoku Oiye, Russell Byrum, Michael Holbrook, Yu Cong, Claudia Calcagno, Venkatesh Mani, Sairam Geethanath
Johns Hopkins University School of Medicine, Baltimore, United States of America
Impact: Tracking neurological changes associated with infectious diseases like Nipah virus is challenging because of limited MRI data. We introduce a physics-informed simulation with native noise modelling and a two-stage framework that enhances edge and structural features, improving low-field NiV images.
  Figure 568-05-005.  Robust Data-Fusion-based (RobFuse) Slice-grappa for SMS Reconstruction
Chunyao Wang, LIJUN ZHANG, Mitsuhiro Bekku, Sha Wang, Zhenxi Zhang, Yi Chen
Canon Medical Systems (China), Beijing, China
Impact: RobFuse enhances robustness of SMS reconstruction to calibration mismatch, balancing in-plane artifacts and cross-plane leakage without iterative optimization or deep learning method. It minimizes quantification errors and cost of repeat scans, enabling reliable fMRI analysis for clinicians and researchers.
  Figure 568-05-006.  Breaking the Speed-Quality Trade-off in Prostate T2-Weighted Imaging: A Deep Learning Reconstruction Approach
Huili Wang, Caohui Duan, yumeng li, song Wang, Xiangbing Bian, Lizhi Xie, Xin Lou
The First Medical Center, Chinese PLA General Hospital, Beijing, China
Impact: The DLR-based T2WIDL sequence simultaneously achieves ~50% faster acquisition and significantly superior image quality compared to conventional T2WI, effectively resolving the longstanding conflict between speed and quality in clinical prostate MRI.
  Figure 568-05-007.  High-efficiency quadratic phase increment T2-shuffling acquisition for multi-contrast imaging in portable low-field MRI
Changyue Wang, Philip Lee, Yueqi Qiu, Xinkai Wei, Yicheng Huang, Zhiyong Zhang
Shanghai Jiao Tong University, Shanghai, China
Impact: The quadratic phase increment and T2-shuffling methods are combined in a portable 110mT system to achieve multi-contrast imaging within an acceptable scan time, enabling single-scan multi-contrast imaging and rapid quantification in low-field MRI.
  Figure 568-05-008.  Compressed Sensing Accelerated Phase-Cycled bSSFP for Quantitative T1 and T2 Mapping in the Brain Using Mode-Subspace
Eva Peper, Nils Plähn, Berk Acikgoz, Matteo Tagliabue, Li Feng, Joseph Woods, Jessica Bastiaansen
Inselspital, Bern University Hospital, University of Bern, Switzerland
Impact: Fast, quantitative brain MRI is enabled by reducing phase-cycled bSSFP scan time using compressed sensing and a mode-domain representation of the bSSFP signal. This is paving the way for high-resolution T1 and T2 mapping and broader adoption of bSSFP relaxometry.
  Figure 568-05-009.  SONIC-MRE: A Compressed Sensing Framework for Accelerated Magnetic Resonance Elastography
Zhuoyu Shi, Alex Cerjanic, Grace McIlvain
Columbia University, New York, United States of America
Impact: MR elastography examines brain mechanical properties but is inherently long acquisition. We developed a sparsity-based reconstruction enabling accurate high-resolution MRE. We demonstrated the ability to collect whole-brain 1.5mm MRE < 2mins, reducing scan time eightfold while preserving stiffness accuracy < 5% error.
  Figure 568-05-010.  Improving the Precision and Repeatability of 0.55T Lung MRF Using a Deep Image Prior with Ensemble Averaging
Zexuan Liu, Zhongnan Liu, Calder Sheagren, Gastao Cruz, Nicole Seiberlich, Jesse Hamilton
Biomedical Engineering, University of Michigan, Ann Arbor, United States of America
Impact: Ensemble averaging is a straightforward and effective approach to improve the precision and repeatability of 0.55T lung T1, T2 and M0 maps using a Deep Image Prior reconstruction.
  Figure 568-05-011.  Speed versus Quality in Low-Field MRI: Quantitative Analysis and Radiological Evaluation of Standard and Accelerated Images
Beatrice Lena, Berit Verbist, Omar Hertgers, Tom O'Reilly, Yiming Dong, Efe Ilıcak, Andrew Webb, Chloe Najac
Leiden University Medical Center, Leiden, Netherlands
Impact: Partial Fourier accelerates low-field MRI while preserving anatomical visibility, as confirmed by radiologists, while undersampling reduced visibility, despite similar SNR/CNR. T1w, T2w, and IR-T1w scans provide complementary information, respectively showing basal ganglia, ventricles/sulci, white matter and cortical regions.
  Figure 568-05-012.  Increased temporal resolution of compressed sensing 4D flow for exercise CMR using segment sharing
Tania Lala, Frederik Testud, Petter Frieberg, Daniel Giese, Pia Sjöberg, Johannes Töger
Clinical Physiology, Department of Clinical Sciences Lund, Lund University, Lund, Sweden
Impact: We proposed a method for increasing temporal resolution of compressed sensing 4D flow, called segment sharing. We demonstrated that it uncovered temporal information of flow measured in a phantom undergoing exercise flow conditions.
  Figure 568-05-013.  Enhanced Snapshot GRE-CEST Reconstruction Using Combined L1 and Local Low-Rank Regularization
Emmanuel Mensah, Abrar Faiyaz, Alan Finkelstein, Giovanni Schifitto, Md Nasir Uddin
University of Rochester, Rochester, United States of America
Impact: Our findings show that the joint L1+LLR regularization using variable-density Poisson-disc sampling reduces reconstruction error, enhances Z‑spectral consistency, and improves image quality, highlighting its potential for accelerated CEST imaging.
  Figure 568-05-014.  A GPU Accelerated EPG simulator for Reinforcement Learning
Shenjun Zhong, Zhifeng Chen, Zhaolin Chen
Monash University, Melbourne, Australia
Impact: To enable automated optimization of acquisition parameters via reinforcement learning, we present a GPU-accelerated, EPG-based simulator encapsulated within a Gym-style interactive environment, capable of high-throughput MRF signal trajectory simulation and compatible with reinforcement learning frameworks.
  Figure 568-05-015.  Iterative Spatial-smoothness Constrained Field-inhomogeneity Correction for Deep Learning-based Fat-Water Quantification
Moorthy Ganeshkumar, Devasenathipathy Kandasamy, Amit Mehndiratta
Indian Institute of Technology, Delhi, India
Impact: Physics-informed Deep Learning-based Zero-Shot-models have shown potential in improved fat-water separation with multi-echo MRIs. However, the fat-water swap artifacts in their generated maps cause inaccuracies. This study investigates spatial-smoothness constraints on field-inhomogeneity as a potential idea to cope with swaps.

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