Image composite authentication using a single shadow observation
Crossref DOI link: https://doi.org/10.1007/s11432-015-5296-8
Published Online: 2015-06-01
Published Print: 2015-09
Update policy: https://doi.org/10.1007/springer_crossmark_policy
Cao, XiaoChun
Zhao, HanDong
Wang, Chuan
Zhang, Wei
Text and Data Mining valid from 2015-06-01