961 search results - page 2 / 193 » Visual Cryptography on Graphs |
IPL
2000
13 years 5 months ago
2000
Visual cryptography is a cryptographic paradigm introduced by Naor and Shamir [Lecture Notes in Comput. Sci., Vol. 950, Springer, Berlin, 1995, p. 1]. Some predefined set of parti...
ICASSP
2009
IEEE
13 years 12 months ago
2009
IEEE
This paper introduces a color visual cryptography encryption method that produces meaningful color shares via visual information pixel (VIP) synchronization and error diffusion ha...
IANDC
2007
13 years 5 months ago
2007
Visual cryptography schemes have been introduced in 1994 by Naor and Shamir. Their idea was to encode a secret image into n shadow images and to give exactly one such shadow image ...
ICASSP
2008
IEEE
13 years 11 months ago
2008
IEEE
This paper introduces a novel, cost effective visual cryptography scheme suitable for color image transmission over bandwidth constraint channels. Unlike previously proposed schem...
ICIP
2003
IEEE
14 years 6 months ago
2003
IEEE
This paper considers the problem of encoding a secret binary image SI into n shares of meaningful halftone images within the scheme of visual cryptography (VC). Secret pixels enco...