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Optimized Gradient Waveforms for Tensor-Valued Diffusion MRI Under Time-Dependent Diffusion Using Double-Isotropic Matched Encoding (DIME)

delete2026-09-29
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OA
AI
F
Felix Mortensen *
V
Viktor Olsson
A
Athanasios Grigoriou
S
Samo Lasič
M
Malwina Molendowska
R
Ronnie Wirestam
F
Filip Szczepankiewicz
DOI：10.1002/mrm.70602delete
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摘要

摘要

En 中文
球形和线性b-张量编码（STE和LTE）能够量化微观扩散各向异性和扩散方差。然而，此类波形通常对时间依赖性扩散具有可变敏感性，导致旋转方差和谱不匹配。我们提出双等向匹配编码（DIME），该编码强制在扩散和限制加权张量（$$ \mathbf{B} $$和$$ \mathbf{M} $$）中实现等向性，并使STE/LTE对在限制敏感性上相匹配。
Keyword:
concomitant fields
diffusion acquisition
experimental design
microstructure
nerve stimulation
time-dependent diffusion MRI

期刊

Magnetic Resonance in Medicine 封面图
Magnetic Resonance in Medicine
IF:
3
论文数:
1.2W
被引数:
3.1W

机构

L
Lund University
学者数:
670
论文数: 266
被引数: 0
引用论文

引用论文

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