69 search results - page 1 / 14 » Algebraic visual cryptography scheme for color images |
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...
IANDC
2007
13 years 4 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 ...
IPL
2000
13 years 4 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...
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...
ICIP
2002
IEEE
14 years 6 months ago
2002
IEEE
With the large and increasing amount of visual information available in digital libraries and the Web, efficient and robust systems for image retrieval are urgently needed. In thi...