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基于Windows平台的扩散张量成像后处理软件性能的比较 被引量:2

Comparison of Four Windows Based Software Tools for Diffusion Tensor Imaging
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摘要 应用网络自由获取的基于Windows平台的DTI Task Card、dTV、DTIstudio、MedINRIA等4种自由扩散张量后处理软件,对同组DTI数据后处理及各向异性(FA)和表观扩散系数(ADC)测量值比较,寻找合适的不依赖于MR系统平台的后处理方法。采集18例健康志愿者和12例额顶部脑膜瘤患者术前全颅扩散张量成像数据,4种后处理软件以患者数据参照调整DTI梯度表后生成扩散张量特征图像,DTI Task Card依赖MR系统平台,余3种在PC机上应用后处理软件依赖于CPU运算。DTIstudio法在多核系统中处理时间最短,CPU占用率最低。利用4种方法重复测定胼胝体膝部、压部,双侧内囊膝部、后肢,双侧丘脑、壳核相同大小兴趣区的FA值和ADC值,总体均数间不具显著性差异,以DTIstudio法测定值与DTI Task Card法测定值间相关性最高。DTIstudio是一种理想的、不依赖于MR系统软件的DTI后处理量值测定软件。
出处 《中国生物医学工程学报》 CAS CSCD 北大核心 2010年第1期155-160,共6页 Chinese Journal of Biomedical Engineering
基金 浙江省科技厅重点科研项目(2006C23030) 国家自然科学基金资助项目(30600181)
关键词 磁共振成像 扩散 图像处理 计算机辅助 对比研究 magnetic resonance imaging diffusion image processing computer-assisted comparative study
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参考文献6

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