Yan, Bin, <br/><br/>
Improving image quality in visual cryptography / \ 
Bin Yan, Yong Xiang, Guang Hua 
 - 1 online resource 
<br/><br/><label>ISBN: </label>9789811382895 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Cryptography<br/>Coding theory