Abstract #0743
Real-Time Phase Contrast Cardiovascular Flow Imaging with Joint Low-Rank and Sparsity Constraints
Bo Zhao 1 , Aiqi Sun 2 , Ke Ma 2 , Rui Li 2 , Anthony Christodoulou 1 , Chun Yuan 2,3 , and Zhi-Pei Liang 1
1
Department of Electrical and Computer
Engineering and Beckman Institute, University of
Illinois at Urbana-Champaign, Urbana, IL, United States,
2
Department
of Biomedical Engineering and Center for Biomedical
Imaging Research, Tsinghua University, Beijing, China,
3
Department
of Radiology, University of Washington, WA, United
States
A novel method is presented for real-time phase contrast
(PC) cardiovascular flow imaging. It integrates a
real-time data acquisition scheme (without ECG gating
and respiration control) with constrained reconstruction
using joint low-rank and sparsity constraints. It
achieves a temporal resolution of 34.4 msec and spatial
resolution of 2.58 mm in a 2D real-time flow imaging
experiment with three velocity encoding directions. The
method should prove useful for real-time cardiovascular
flow imaging.
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