Kamboj Aman <br/><br/>
An improved halftone visual secret sharing scheme for gray-level images based on 
Kamboj Aman 
 - Dr .B.R. 
 - Jalandhar  Dr .B.R.  Ambedkar   National institute  2015 
 - vii 44p 
<br/><br/><label>Dewey Class. No.: </label>5.8  / KA-I