Robust digital watermark method based on PDF417 two-dimension code
Cui-ling JIANG,Shuai HUANG,An-wen WU,Wen-xin YU,Zhou-mao KANG,Yong-qiang LI
Chinese Journal of Network and Information Security . 2016, (9): 72 -81 .  DOI: 10.11959/j.issn.2096-109x.2016.00095