一种二值图像的阈值可视密码方案
徐永平,胡予濮,王 明,刘书盼
Threshold scheme for binary image visual cryptography
XU Yong-ping,HU Yu-pu,WANG Ming,LIU Shu-pan
计算机工程与应用 . 2009, (31): 77 -80 .  DOI: 10.3778/j.issn.1002-8331.2009.31.024