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| 机制版假币票面上印刷疵点的检验 | |
| 引用本文： | 梁鲁宁,林雷祥,苏丽,孙华清,文东宇.机制版假币票面上印刷疵点的检验[J].刑事技术,2012(6):31-34. |
| 作者姓名： | 梁鲁宁 林雷祥 苏丽 孙华清 文东宇 |
| 作者单位： | 1. 公安部反假币实验室,北京,100038 2. 中国人民公安大学,北京,100038 3. 广州反假币工作站,广州,200000 |
| 摘 要： | 目的分析假币票样上的印刷疵点，为串并假币机制版印制点提供科学依据。方法通过图文扫描和图象处理技术，获取假币票面上的印刷疵点信息，研究梳理不同票面上一致的疵点组合，寻找其与印版的相关性，继而推导与印制者的相关性。结果找到可以表征相同胶片版或PS版的不同冠字号码假币票样上一致的印刷疵点。结论可以通过图文扫描和图象处理手段得到印刷疵点特征。 |
| 关 键 词： | PHOTOSHOP 假币 伪造人民币 机制版印刷 疵点 |
Examination and characterization of printing defects on counterfeit currency |
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| Institution: | LIANG Lu-ning, LIN Lei-xiang, SU Li (Institute of Forensic Science, Ministry of Public Security, Beijing 100038, China) |
| Abstract: | In this paper, printing defects, or imperfections, found on counterfeit currency were examined by graphic scanning and image processing, and then the characteristics of printing defects were analyzed and classified. The results demonstrated that it is possible to associate counterfeit currencies to a common origin by analysis of printing defects. |
| Keywords: | graphic scanning image processing counterfeit currency printing defect |
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