Abstract #2801
Regularized SENSE+CG with A Fast and Stable Convergence for Reconstruction in Multi-shot Navigator-free Diffusion Weighted Spiral Imaging
Xiaodong Ma 1 , Bida Zhang 2 , Zhangxuan Hu 1 , Trong-Kha Truong 3 , Allen W. Song 3 , and Hua Guo 1
1
Department of Biomedical Engineering,
Tsinghua University, Beijing, China,
2
Healthcare
Department, Philips Research China, Shanghai, China,
3
Brain
Imaging and Analysis Center, Duke University, Durham,
North Carolina, United States
An intuitive phase correction approach, SENSE+CG, has
been proposed and implemented on navigator-free spiral
DWI.In this study, regularization was introduced into
the SENSE+CG algorithm to solve the semi-convergence
problem. The in vivo results show that it can generate
diffusion weighted images with fast and stable
convergence, which is helpful to determine the stopping
criterion without manual intervention.
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