半色调加网防伪应用

半色调加网防伪应用

龚晔 ¹,张逸新 ²,刘振 ¹,李中正 ¹

Anti-counterfeiting application of halftone screens

GONG Ye ¹,ZHANG Yi-xin ²,LIU Zhen ¹,LI Zhong-zheng ¹

计算机工程与应用 . 2008, (22): 216 -218 . DOI: 10.3778/j.issn.1002-8331.2008.22.065