摘要
中国人民银行公布的《2005年版第五套人民币简介》中写入了对人民币纸币磁特征鉴别能力要求的提升:将原磁性微缩文字安全线调整为全息磁性开窗安全线,仪器可以检测到磁性。由于人民币纸币安全线涉及尖端压印技术,制作技术要求非常高,因此很难伪造。提出了TMS320DM642 DSP实现全息磁性开窗安全线检测方法。通过搭建的用于观察人民币安全线磁性分布的检测平台得到了大量的实验数据,总结了安全线磁信息规律,最终提出了鉴别算法和检测方案,并将鉴别算法写入DSP芯片,结合所搭硬件电路,最终实现人民币纸币安全线防伪的目的。
Requirements for identification ability promotion of RMB paper currency magnetic property from PBC published＂introduction to the fifth series RMB in 2005＂： magnetic property can be detected by instrument and adopt holographic and magnetic windowing security line taking the place of micro lettering security line. Because of most advanced imprint technology and high requirement, it is nearly impossible for security line forging. A method for holographic and magnetic property windowing security line testing achieved by TMS320DM642 DSP is proposed. A large number of experimental data and regular pattern are acquired by means of security line magnetic property testing platform, an identification algorithm and testing scheme is proposed. Identification algorithm and hardware circuit collectively make RMB security line identification achieved as a result.
出处
《电子设计工程》
2015年第21期110-113,共4页
Electronic Design Engineering
关键词
纸币
安全线
鉴别
DSP
paper currency
security line
identification
DSP
