汗潜手印显现的量化分析可行性研究

The feasibility study on quantitative analysis of sweat latent fingerprints

伴随科学技术的发展和社会场景数据化的演进,鉴定意见的数据化、客观化已成为发展的趋势,但在一些痕迹物证的鉴定与分析过程中,鉴定结果依然依赖于鉴定人的主观判断。在该形势下,手印鉴定的量化分析研究就显得极其重要。为了能够客观的评价手印显现效果,本文利用Image J软件对汗潜手印显现图像的对比度进行了量化分析研究,为手印的量化分析研究证明了一种可行的计算方法,该方法对手印显现材料的优劣评估和手印显现效果的客观评价提供了重要的参考和借鉴价值。

With the development of science and technology and the evolution of social scene data,the digitalization and objectification of expert opinion has become the trend.But the identification result still depends on the appraiser’s subjective judgment in the process of identification and analysis of trace evidence.The quantitative analysis of fingerprint identification is extremely important.In order to evaluate the effect of fingerprint objectively,in this paper,Image J software was used to quantitatively analyze the contrast ratio of sweat latent fingerprints.A feasible calculation method was proposed for the quantitative analysis of fingerprints.This method provided an important reference value for the evaluation of latent fingerprint displaying materials,and provided objective evaluation of fingerprint visualization effect.