Himankshi. <br/><br/>
Bi-Directional pixel-value differencing method for steganography. 
Himankshi. 
 - Dr.B.R.Amb 
 - Jalandhar.  Dr.B.R.Ambedkar National Institute of Te  2013 
 - xiii; 53p 
<br/><br/><label>Dewey Class. No.: </label>621.367  / HI-B