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Abstract #3376

Motion-Compensated Low-Rank Reconstruction with Iterative Registration for Ventilation Analysis on Ultrashort Echo Time (UTE) Lung MRI

Fei Tan1, Xucheng Zhu2, and Peder Larson1
1Radiology and Biomedical Imaging, University of California, San Francisco, San Francisco, CA, United States, 2GE Healthcare, Menlo Park, CA, United States


In this abstract, we introduce motion-compensated low-rank constrained reconstruction with iterative registration. This method jointly improves the motion field estimation and the reconstruction, providing both functional and structural images. In addition, we test the effect of the regularization parameter on structural images and ventilation maps. We conclude that the motion-compensated low-rank constrained with iterative registration method is suitable for regional ventilation quantification.

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