36 search results - page 4 / 8 » Halftone visual cryptography |
IANDC
2007
13 years 8 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
14 years 3 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...
CORR
2010
Springer
13 years 8 months ago
2010
Springer
: Visual Cryptography is a secret sharing scheme that uses the human visual system to perform computations. This paper presents a recursive hiding scheme for 3 out of 5 secret shar...
IWANN
2001
Springer
14 years 1 months ago
2001
Springer
This paper proposes the general paradigm to build Q'tron neural networks (NNs) for visual cryptography. Given a visual encryption scheme, usually described using an access st...
COCOON
2008
Springer
13 years 10 months ago
2008
Springer
In this paper, we consider a new visual cryptography scheme that allows for sharing of multiple secret images on graphs: we are given an arbitrary graph (V, E) where every node an...