Results 1 to 10 of about 52,493 (283)
A Novel XOR-Based Threshold Visual Cryptography with Adjustable Pixel Expansion [PDF]
Applied Sciences, 2020 A ( k , n ) visual cryptography (VC) scheme encodes a secret image into n shadows that are printed on transparencies distributed among a group of n participants secretly, and reveal the secret image by stacking no less than k of them.
Yusheng Guo +3 more
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Visual cryptography schemes with optimal pixel expansion [PDF]
Theoretical Computer Science, 2006 zbMATH Open Web Interface contents unavailable due to conflicting licenses.
Carlo Blundo +2 more
exaly +8 more sources
Fault-Tolerant Visual Secret Sharing Schemes without Pixel Expansion
Applied Sciences, 2016 Visual cryptography encrypts a secret image into two meaningless random images, called shares, such that it can be decrypted by human vision without any calculations.
Justie Su-Tzu Juan +2 more
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Reversible Data Hiding Based on Pixel-Value-Ordering and Prediction-Error Triplet Expansion
Mathematics, 2021 Pixel value ordering and prediction error expansion (PVO+PEE) is a very successful reversible data hiding (RDH) scheme. A series of studies were proposed to improve the performance of the PVO-based scheme. However, the embedding capacity of those schemes
Heng-Xiao Chi +2 more
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Maximal Independent Sets for the Pixel Expansion of Graph Access Structure
International Journal of Industrial Engineering and Production Research, 2008 : A visual cryptography scheme based on a given graph G is a method to distribute a secret image among the vertices of G, the participants, so that a subset of participants can recover the secret image if they contain an edge of G, by stacking their ...
M. Hadian Dehkordi, A. Cheraghi
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Graph access structures with optimal pixel expansion three
Information and Computation, 2013 zbMATH Open Web Interface contents unavailable due to conflicting licenses.
S Arumugam, Atulya K Nagar
exaly +3 more sources
Urban expansion identification and change analysis in Panjin China from 1990 to 2020 [PDF]
Scientific ReportsThis study examines the dynamic mapping of impervious surface changes in optimising urban spatial structures and fostering sustainable development. A novel deep learning model and time-spectral-texture combination optimisation method were employed to ...
Zhai Jiang +3 more
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XOR-Based (n, n) Visual Cryptography Schemes for Grayscale or Color Images with Meaningful Shares
Applied Sciences, 2022 XOR-based Visual Cryptography Scheme (XOR-based VCS) is a method of secret image sharing. The principle of XOR-based VCS is to encrypt a secret image into several encrypted images, called shares.
Yu-Hong Chen, Justie Su-Tzu Juan
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Pixel grafting: A novel skin graft expansion technique
Journal of Cutaneous and Aesthetic Surgery, 2021 Skin grafting is the transplantation of skin, a routinely performed procedure to cover the loss of skin. Skin is the largest organ of the body, which falls short of availability in extensive injuries, especially burns. In such a situation, pixel grafting, a novel expansion technique helps to cover a large area with less skin harvest.
Chavan, Vinayak +7 more
openaire +2 more sources
Visual cryptography scheme on graphs with $m^{*}(G)=4$ [PDF]
Transactions on Combinatorics, 2019 Let $G=(V,E)$ be a connected graph and $\Gamma (G)$ be the strong access structure where obtained from graph $G$. A visual cryptography scheme (VCS) for a set $P$ of participants is a method to encode a secret image such that any pixel of this image ...
Mahmood Davarzani
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