一种统计方法,以帮助检查人员在手写的法医分析的手写
Amy M Crawford1, Danica M Ommen2,3, Alicia L Carriquiry2,3
1Berry Consultants, LLC, Austin, Texas, USA.
Journal of forensic sciences
|July 14, 2023
概括
我们开发了一种统计手写分析方法,以确定作家的概率.
科学领域:
- 法医科学 法医科学 法医科学
- 计算机科学 计算机科学
- 统计建模 统计建模
背景情况:
- 手写分析在法医科学中至关重要.
- 现有的方法往往缺乏定量评估.
- 适应不同的写作风格 (斜体,印刷) 是一个挑战.
研究的目的:
- 开发一个统计方法,用于手写建模.
- 计算对被质疑文件的作者的后期概率.
- 为了使手写的定量法医评估.
主要方法:
- 写作是以图形结构的序列为模型.
- 自动提取和K-意味着图形形状的集群.
- 贝叶斯层次模型使用集群成员资格进行分析.
主要成果:
- 该模型适用于各种写作风格.
- 通过图表排放率来表征写作模式.
- 通过参数混合率来识别写作风格.
结论:
- 该方法为法医评估提供了概率陈述.
- 通过定量数据支持审查员的结论.
- 提供了一种强大的方法,用于跨风格的手写分析.
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