Embedded extended visual cryptography schemes

F Liu, C Wu - IEEE transactions on information forensics and …, 2011‏ - ieeexplore.ieee.org
A visual cryptography scheme (VCS) is a kind of secret sharing scheme which allows the
encoding of a secret image into n shares distributed to n participants. The beauty of such a …

A novel steganography method for binary and color halftone images

E Çiftci, E Sümer - PeerJ Computer Science, 2022‏ - peerj.com
Digital steganography is the science of establishing hidden communication on electronics;
the aim is to transmit a secret message to a particular recipient using unsuspicious carriers …

Visual cryptographic techniques for secret image sharing: a review

RG Sharma, P Dimri, H Garg - Information Security Journal: A …, 2018‏ - Taylor & Francis
ABSTRACT A visual cryptography scheme (VCS) allows one to decrypt images without any
knowledge of cryptography and computational efforts. VCS allows secret image sharing …

Size-invariant visual cryptography with improved perceptual quality for grayscale image

R Sun, Z Fu, B Yu - IEEE Access, 2020‏ - ieeexplore.ieee.org
The reconstructed image of the size-invariant visual cryptography (VC) is inevitably
accompanied by the loss of secret image information and the degradation of perceptual …

An approach for secret sharing using randomised visual secret sharing

S Dixit, DK Jain, A Saxena - 2014 fourth international …, 2014‏ - ieeexplore.ieee.org
Visual secret sharing is the technique that divide the secret image into n multiple shares.
Each share constitutes some information and when k shares out of n stack together the …

Review on various visual cryptography schemes

SA Thomas, S Gharge - 2017 International Conference on …, 2017‏ - ieeexplore.ieee.org
Visual cryptography is a powerful technique in which a secret image can be divided into two
or more shares and the decryption can be done using human visual system. Visual …

Halftone visual cryptography for grayscale images using error diffusion and direct binary search

SA Thomas, S Gharge - 2018 2nd International Conference on …, 2018‏ - ieeexplore.ieee.org
Visual Cryptography (VC) provides prefect security and the decoding is done without the
help of a computer device. Halftone visual cryptography (HVC) uses halftoning techniques to …

Meaningful Share Generation for Increased Number of Secrets in Visual Secret‐Sharing Scheme

M Ulutas - Mathematical problems in engineering, 2010‏ - Wiley Online Library
This paper presents a new scheme for hiding two halftone secret images into two
meaningful shares created from halftone cover images. Meaningful shares are more …

Embedded extended visual cryptography scheme for color image using ABC algorithm

AK Deepa, B Bento - 2014 12th International Conference on …, 2014‏ - ieeexplore.ieee.org
Cryptography, nothing but the secret sharing of text. Similarly Visual Cryptography Scheme
(VCS) is secret sharing of images. The extension of VCS is Embedded Extended Visual …

Deterministic extended visual cryptographic schemes for general access structures with OR-AND and XOR-AND operations

P Kanakkath, S Madathil, R Krishnan - Multimedia Tools and Applications, 2019‏ - Springer
Abstract In Visual Cryptographic Scheme (VCS) shares of the secret image look like random,
whereas in Extended Visual Cryptographic Scheme (EVCS) the shares look like meaningful …