Abstract #4492

Iterative Static Motion Compensated(IS-MoCo) Reconstruction: application to high resolution lung imaging

Xucheng Zhu^1,2, Kevin M. Johnson³, Michael Lustig⁴, and Peder E.Z. Larson¹

¹Radiology, University of California San Francisco, San Francisco, CA, United States, ²Bioengineering, University of California San Francisco, San Francisco, CA, United States, ³Department of Medical Physics, University of Wisconsin, Madison, Madison, WI, United States, ⁴Department of Electrical Engineering and Computer Sciences, UC Berkeley, Berkeley, CA, United States

High resolution 3D MRI thoracic and abdominal MRI is always challenging, due to long acquisition time and susceptibility to subject motion. We proposed a novel reconstruction method, named Iterative Static Motion Compensated(IS-MoCo) reconstruction, to compensate motion affects during the reconstruction instead of gating. The proposed method is applied to high resolution free breathing lung imaging, outperforms widely used motion correction strategies with higher SNR and less residual motion artifacts.

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