Highly accelerated cardiac cine parallel MRI using low-rank matrix completion and partial separability model
Highly accelerated cardiac cine parallel MRI using low-rank matrix completion and partial separability model
复制标题
使用低秩矩阵完成和部分可分离模型的高度加速心脏电影并行 MRI
DOI:
10.1117/12.2225490
复制
发表时间:
2016
期刊:
影响因子:
--
通讯作者:
Ying, Leslie
中科院分区:
文献类型:
--
作者:
Ahmad, Fauzia;Lyu, Jingyuan;Nakarmi, Ukash;Zhang, Chaoyi;Ying, Leslie
This paper presents a new approach to highly accelerated dynamic parallel MRI using low rank matrix completion, partial separability (PS) model. In data acquisition, k-space data is moderately randomly undersampled at the center k-space navigator locations, but highly undersampled at the outer k-space for each temporal frame. In reconstruction, the navigator data is reconstructed from undersampled data using structured low-rank matrix completion. After all the unacquired navigator data is estimated, the partial separable model is used to obtain partial kt data. Then the parallel imaging method is used to acquire the entire dynamic image series from highly undersampled data. The proposed method has shown to achieve high quality reconstructions with reduction factors up to 31, and temporal resolution of 29ms, when the conventional PS method fails.
DOI:
--
发表时间:
2006
期刊:
--
影响因子:
--
作者:
M. Lustig;Juan M. Santos;D. Donoho;J. Pauly
通讯作者:
M. Lustig;Juan M. Santos;D. Donoho;J. Pauly
影响因子:
2.5
作者:
Chen, Liyong;Schabel, Matthias C.;DiBella, Edward V. R.
通讯作者:
DiBella, Edward V. R.