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Abstract #0787

Respiratory and Cardiac Dual Soft-Gated 4D Cardiovascular MRI

Ziwu Zhou1, Fei Han1, Takegawa Yoshida1, Kim-Lien Nguyen1, Paul Finn1, and Peng Hu1

1Radiological Sciences, University of California, Los Angeles, Los Angeles, CA, United States

In this study, we proposed a respiratory and cardiac dual soft-gated technique that efficiently suppresses respiratory motion and resolves cardiac motion in 4D cardiovascular MRI. Comparing with existing methods that exploited data redundancy in respiratory and cardiac dimensions using joint reconstruction, proposed method weights data consistency according to the degree of motion corruption. A big advantage of this approach is its short reconstruction time and low computation burden, making it feasible for practical usage.

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