仿2005版百元面额假人民币光学无损检验  

Optical Nondestructive Examination of the Edition-2005's 100-Yuan RMB Counterfeits

作　　者：邹积鑫[1] 孙雪纯 齐凤亮[1] 于健[1] 李世峰[1] 戚新远 ZOU Jixin;SUN Xuechun;QI Fengliang;YU Jian;LI Shifeng;QI Xinyuan(Institute of Forensic Science,Ministry of Public security,Beijing 100038,China;Beijing University of Chemical Technology,Beijing 100029,China;Beijing International Studies University,Beijing 100024,China)

机构地区：[1]公安部物证鉴定中心,北京100038 [2]北京化工大学,北京100029 [3]北京第二外国语学院,北京100024

出　　处：《刑事技术》2018年第4期293-296,共4页Forensic Science and Technology

基　　金：公安部技术研究计划项目(No.2015JSYJC44);公安部技术交流培训计划项目(No.2016PX07)

摘　　要：本文以仿2005版百元面额假人民币为主要研究对象,利用红外文检仪等检验设备,以假币的版纹细节特征(如印版特征、开窗安全线特征等)和不同位置油墨的荧光现象(如水印图形、背面团花、正面无色荧光100及其他位置的荧光现象)为主要参考依据,建立冠字号码串并-形成方式分析-印版版本确定-油墨特性比对的"四步走"方法,对86组冠字号码不同的仿2005版百元面额假人民币进行综合分析,方法的区分率73%。除此之外,本文还检测了假币的红外特征及油墨磁性特征,并利用其结果对假币进行补充验证。本研究建立的方法能为公安机关打击假币犯罪的快速串并、新窝点的发现提供新的技术手段。The Edition-2005’s 100-Yuan RMB counterfeits were taken as the subject.VSC 6000 video spectral comparator was used to analyze the counterfeit notes’pattern details(i.e.plate features,security line features)and their fluorescent ink(i.e.fluorescence of watermark graphic,back-side flowers inscribed,colorless and fluorescent front-side digit 100 and elsewhere)with the help of other equipment.Based on the above analysis,one‘four-step’method was established:1.clustering the letterprefixed serial numbers;2.analyzing the counterfeiting devices;3.recognizing the printing plate version;4.comparing the ink characteristics.The method was utilized to analyze 86 groups of the counterfeit notes with different letter-prefixed serial numbers,leaving 73%of them to be classified.Additionally,the counterfeits were also tested of their infrared characteristics and ink magnetic phenomena,bringing forth a supplementary to examine counterfeit note.In conclusion,this method provides a new means for rapid classification of counterfeit note,capable of greatly supporting to detect counterfeit money and find case clues.

关 键 词：假币 荧光图像 油墨特征 案件串并 

分 类 号：DF794.2[政治法律—诉讼法学]