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Craniofacial reconstruction assessment based on euclidean distance matrix analysis method
Author(s): Zhai Guiying, Ren Fu
Pages: 377-
379
Year: 2013
Issue:
3
Journal: Chinese Journal of Anatomy
Keyword: forensic anthropology; craniofacial reconstruction assessment; euclidean distance matrix analysis; craniofacial reconstruction; soft tissue depth;
Abstract: 目的:探索欧几里德几何距离矩阵分析(EDMA)在三维颅面复原效果评价的应用.方法:采用兰玉文等开发的三维颅面鉴定仪对120例(女男性各60例)辽宁汉族成人重建后的三维颅骨进行相貌复原,复原后的三维面貌与真实的三维面貌利用WinEDMA软件进行EDMA分析.结果:EDMA分析显示,女性复原组,非参数bootstrap检验T=1.791,P=0.001,形状差异矩阵(FDM)比值在0.95~1.05的占71%,男性复原组,非参数bootstrap检验T=1.741,P=0.001,FDM比值在0.95~1.05的占70%,线段FDM比值小于0.95和大于0.95的部分主要集中在五官区,进一步分析显示眼部的特征点对复原效果影响最大.结论:利用该方法复原出的面貌与真实面貌存在差异,但总体看复原面貌与真实面貌大体相似,EDMA能够对复原的效果进行评价并找出复原结果中误差较大的位置.
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