Liang-You Liu, Song Gao, Sha Li, Zhao-Tong Li, Yi-Fan Xia. Research progress of diffusion sensitive gradient field encoding schemes in magnetic resonance diffusion tensor imaging [J]. Acta Physica Sinica, 2020, 69(3): 038702-1
- Acta Physica Sinica
- Vol. 69, Issue 3, 038702-1 (2020)
Fig. 1. Stejskal-Tanner Scheme: Two diffusion sensitive gradients inserted before and after 180° RF refocusing pulse. G , amplitude; δ , duration of the DSG; Δ , time between the two sensitive gradient lobes.
Stejskal-Tanner序列, 其中两个同等的DSG脉冲置于180°RF脉冲两侧, 强度为G , 宽度为δ , 时间间隔为Δ
Fig. 2. DSG encoding scheme with random distribution in 60 directions.随机分布60个方向DSG方向分布方案
Fig. 3. DSG encoding scheme with heuristic distribution in 13 directions.完全启发式13个方向DSG方向分布方案
Fig. 4. DSG encoding scheme with icosahedron distribution in 31 directions.二十面体31个方向DSG方向分布方案
Fig. 5. DSG encoding scheme with DISCOBALL distribution in 30 directions.DISCOBALL 30个方向DSG方向分布方案
Fig. 6. DSG encoding scheme with spherical spiral distribution in 60 directions.球面螺旋分布60个方向DSG方向分布方案
Fig. 7. DSG encoding scheme with Jones (a) and Ordered Jones (b) in 60 directions两种Jones 60个方向DSG方向分布方案 (a) Jones方案; (b)排序的Jones方案
Set citation alerts for the article
Please enter your email address
© Copyright 2018-2021 | Chinese Laser Press. All Rights Reserved 沪ICP备15018463号-20