构建表观扩散系数(adc)图和各向异性分数(fa)图，并测量病灶中心及周围水肿区的ADC、fa值。
Average diffusion coefficient (ADC) value, fractional anisotropy (FA) value and maps were calculated in the central portion and peripheral edema of the lesions.
测量胼胝体膝部、胼胝体压部和海马的表观扩散系数和各向异性分数。
The appearance diffusion coefficient and the fractional anisotropy were measured for the splenium of the corpus callosum, the genu of the corpus callosum, and the hippocampus.
运用SPM2分析软件，采用基于体素的分析方法，比较首发抑郁症患者药物治疗前后全脑弥散各向异性分数（FA）值的差异及变化。
Fractional anisotropy(FA) maps were processed using SPM2 to make voxel-wise comparison of anisotropy in whole brain between the two groups.
引入分数维空间模型，可以把各向异性的系统转换为各向同性的分数维系统。
Luckily, an anisotropy system can be treated as an isotropy system in fractional-dimension space, where the dimension is determined by degree of anisotropy.
使根据DTI测定结果，评估了白质骨架内各向异性分数(FA)。
DTI measures assessed fractional anisotropy (FA) within a white matter skeleton.
使根据DTI测定结果，评估了白质骨架内各向异性分数(FA)。
DTI measures assessed fractional anisotropy (FA) within a white matter skeleton.
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