Prabhu Rachana V, Dinkar Ajit, Prabhu Vishnudas
Department of Oral Medicine and Radiology, Yenepoya Dental College, Yenepoya University, Mangalore, Karnataka, India.
J Forensic Dent Sci. 2013 Jul;5(2):96-105. doi: 10.4103/0975-1475.119772.
To evaluate the uniqueness and to define a standard method for the analysis of lip prints.
Lip prints of 100 students were taken using Scotch tape without any distortion. These prints were then scanned for the digital analysis. Using Adobe Photoshop 7 software an attempt was made to trace each and every line using Suzuki and Tsuchihashi's classification. Weighted value scoring system was used to check for the uniqueness of the lip prints.
No two lip prints had exactly matching scores in all four Quadrants. No statistically significant difference was found in the change of pattern in lip print images collected after 12 months from the same individual. With digital analysis, up to 15 lines were traceable in 66%, 71%, 52% and 51% of Quadrant I, II, III and IV respectively.
Lip prints are unique to an individual. The digital method of analyzing lip print images serves better visualization, ease in identification and recording of the lip print pattern. Weighted Value Scoring system can be considered as a standard method for determining the uniqueness of the lip prints.
评估唇纹的独特性并确定一种分析唇纹的标准方法。
使用透明胶带采集100名学生的唇纹，采集过程无任何变形。然后对这些唇纹进行扫描以便进行数字分析。使用Adobe Photoshop 7软件，尝试按照铃木和土桥的分类法描绘每一条纹路。采用加权值评分系统来检验唇纹的独特性。
在所有四个象限中，没有两个唇纹的分数完全匹配。在同一个体12个月后采集的唇纹图像中，纹路变化没有发现统计学上的显著差异。通过数字分析，在第一、二、三、四象限中，分别有66%、71%、52%和51%的唇纹可追踪到多达15条纹路。
唇纹因人而异。分析唇纹图像的数字方法能更好地实现可视化，便于唇纹图案的识别和记录。加权值评分系统可被视为确定唇纹独特性的标准方法。
