Objective To explore a method of forensic identification work in the non-linear length of the plane. Methods 10 soldering tin wires with different lengths were cut out accurately and the results were read as a control (direct reading method of steel ruler). Then the ten soldering tin wires with different lengths were randomly bent and then calculated by the method studied in this paper The length as a Pixel group, and two sets of data for statistical analysis. Results The difference between the results obtained by the Pixel method and those directly read by the ruler direct reading method was not statistically significant. Conclusion The Pixel method has obvious advantages over the traditional cotton method in measuring the non-linear length of the plane (such as scars and wounds). The calculated length is more accurate and easy to operate, making the forensic identification more accurate and convincing Adapt to the requirements of litigation, forensic identification in the good prospects.%目的 探寻一种法医鉴定工作中测量平面内非直线长度的方法.方法 精确切断长度不同的10根焊接锡丝并读出结果作为对照组(钢尺直接读取法),再分别将这10根长度不同的焊接锡丝任意弯曲,然后用本文研究的方法计算出长度作为Pixel组,并对两组数据进行统计学分析.结果 Pixel方法得出的结果与钢尺读取法直接读出的结果之间的差异不具有统计学意义.结论 Pixel法在测量平面内非直线长度(如瘢痕、创口)上比传统的棉线法有明显优势,计算出来的长度更精确、易操作,使法医学鉴定结论更准确、有说服力,也更能适应诉讼要求,在法医学鉴定中有很好的应用前景.
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