Visual cryptography and secret image sharing / 
edited by Stelvio Cimato, Ching-Nung Yang 
 - Boca Raton, FL :  CRC Press,  2012 
 - xxxvi, 501 p. :  ill. (some col.) ;  24 cm. 
 - Digital imaging and computer vision .
<br/><br/>Includes bibliographical references and index 
<br/><br/><label>ISBN: </label>9781439837214 (hardback) 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Image processing--Security measures<br/>Data encryption (Computer science)<br/>Computer file sharing--Security measures<br/>Image files--Security measures