Cape Town - 2026 ISMRM-ISMRT Annual Meeting and Exhibition
9 May 2026 – 14 May 2026 · Cape Town, South Africa
431-03-014 / 431-03-014 ISMRM Abstract

Longitudinal MRI Reconstruction Leveraging Patient-Specific Group Sparsity from Prior Images

Primary: Acquisition & Reconstruction - Image Reconstruction: AI
Secondary: Acquisition & Reconstruction - Subsampling: Parallel imaging, compressed sensing and low-rank modeling
431-03-014 · Image Reconstruction · Tuesday, 12 May, 4:00 PM–5:36 PM · Roof Terrace
431-03-014 · Image Reconstruction · Tuesday, 12 May, 4:00 PM–5:36 PM · Roof Terrace
Keywords: Deep-learning-based image reconstruction Longitudinal MRI Attention mechanism Motion robust Deep neural networks
Accepted
Nikola P Janjusevic 1,2, Yao Wang3, Li Feng1,2
1Bernard and Irene Schwartz Center for Biomedical Imaging, Department of Radiology, New York University Grossman School of Medicine, New York, United States of America
2The Center for Advanced Imaging Innovation and Research (CAI2R), Department of Radiology, New York University Grossman School of Medicine, New York, United States of America
3NYU Tandon School of Engineering, New York, United States of America
Presenting Author: Nikola P Janjusevic

Synopsis

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References

1. Atalik A, Chopra S, Sodickson DK. A Trust-Guided Approach to MR Image Reconstruction with Side Information. IEEE Trans Med Imaging. 2025 Jul 31;PP:10.1109/TMI.2025.3594363. doi: 10.1109/TMI.2025.3594363. Epub ahead of print. PMID: 40742840; PMCID: PMC12344463. [doi] [pmid]
2. N. Janjušević, A. Khalilian-Gourtani and Y. Wang, "CDLNet: Noise-Adaptive Convolutional Dictionary Learning Network for Blind Denoising and Demosaicing," in IEEE Open Journal of Signal Processing, vol. 3, pp. 196-211, 2022, doi: 10.1109/OJSP.2022.3172842. [doi]
3. N. Janjušević, A. Khalilian-Gourtani, A. Flinker, Li Feng, and Y. Wang, "GroupCDL: Interpretable Denoising and Compressed Sensing MRI via Learned Group-Sparsity and Circulant Attention," in IEEE Transactions on Computational Imaging, vol. 11, pp. 201-212, 2025, doi: 10.1109/TCI.2025.3539021. [doi]
4. N. Janjušević, A. Khalilian-Gourtani, Y. Wang, and Li Feng, "Learned Primal Dual Splitting for Self-Supervised Noise-Adaptive MRI Reconstruction," 2025 IEEE 22nd International Symposium on Biomedical Imaging (ISBI), Houston, TX, USA, 2025, pp. 1-4, doi: 10.1109/ISBI60581.2025.10980799. [doi]

Cite this abstract

http://echo.ismrm.org/p/ISMRM2026/431-03-014