两组跨地标距离分析用于骨性别估计,使用重新采样和后方概率轮图
Stefan Schlager1, Daniel Franklin2, Marco Milella3
1Department of Oral and Maxillofacial Surgery, Medical Center, University of Freiburg, Freiburg im Breisgau, Germany.
International journal of legal medicine
|February 4, 2026
概括
这项研究引入了一个新的R函数,用于分析地标间的距离,以从骨遗骸中估计性别. 该方法使用轮图进行视觉分类,提高了法医人类学的准确性.
科学领域:
- 法医人类学 法医人类学
- 生物识别信息 生物识别信息
- 统计分析 统计分析
背景情况:
- 跨地标线性测量在人类学和动物学中常见,用于人口参数估计.
- 线性测量在法医科学中经常用于性别和祖先估计,以帮助识别.
研究的目的:
- 评估基于重新采样的方法,使用新的R函数计算地标间距离.
- 识别与性别密切相关的距离,并评估它们的性别分类准确性.
- 展示一种图形方法,将培训数据结果应用于新案例.
主要方法:
- 开发了一个R函数,以有效地计算地标间距离与笛卡尔坐标之间的距离.
- 采用基于重新采样的方法来识别性别二态度的测量.
- 利用一个散射图与插曲的轮线,代表视觉性别分类的后面概率.
主要成果:
- 确定了与性别显著相关的特定地标间距离.
- 评估了这些二态测量的性别分类准确性.
- 在新病例中展示了一种用于视觉性估计的新型图形方法.
结论:
- 这种新的方法提供了一种简单有效的图形方法,用于使用地标之间的距离来估计性别.
- 这种基于轮的技术增强了在未识别的人类遗骸中快速准确地估计骨的性别.
- 更广泛的应用可以提高对特定人群的头骨性二态的理解.
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