00530nam a22001457a 4500 9781439837214(hb) 005.82 VIS Stelvio Cimato (editor) Ching-Nung Yang (editor) Visual Cryptography and secret image sharing London CRC Press 2012 xxv, 501p. :ill. 21 cm. Includes index and biliography Image Processing-Securitymeasure Data encryption Computer file Image files Security measures Cryptography schemes FC BK 0 0 0 0 RIU RIU 2019-10-08 Purchased: 0 005.82 VIS 50639 2019-10-08 00:00:00 1 2019-10-08 BK 7603 7603