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针对JPEG和DICOM两种格式活体人头颅的CT图像,采用自编Matlab程序对前额骨、顶骨和枕骨厚度以及头宽、头长、头围和颅围等颅骨几何特征进行大批量精确测量.对测量结果进行的正态性检验表明:颅骨几何特征不服从正态分布;Kruskal-Wallis单因素方差分析的结果表明:不同格式CT图像对前额骨、顶骨和枕骨厚度有显著影响,对头宽、头长、头围和颅围无显著影响. 相似文献
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1 Introduction With the development and advancement of society and computer technology, finite- element method (FEM) has becomes more and more popular in solving problems in projects. In the field of biomechanics, FEM is also an important method, which is effective, accurate, low- lost and applied. We can use FEM to build up the model of complicated geometrical object, to calculate the whole and partial stress and displacement and also the regular- ities of distributions, to compare the re… 相似文献
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