Results 21 to 30 of about 246,608 (282)

Efficient Reversible Data Hiding Scheme for AMBTC-Compressed Images

open access: yesApplied Sciences, 2021
Reversible data hiding has attracted significant attention from researchers because it can extract an embedded secret message correctly and recover a cover image without distortion.
Chia-Chen Lin   +3 more
doaj   +1 more source

Reverse–Complement Similarity Codes

open access: yesElectronic Notes in Discrete Mathematics, 2005
Abstract We discuss a general notion of similarity function between two sequences which is based on their common subsequences. This notion arises in some applications of molecular biology [A.G. D'yachkov, P.L. Erdos, A.J. Macula, V.V. Rykov, D.C. Torney, C.-S. Tung, P.A. Vilenkin, and P.S.
A. D’yachkov   +3 more
openaire   +1 more source

Reversible Data Hiding in Encrypted DICOM Images Using Cyclic Binary Golay (23, 12) Code

open access: yesIEEE Access, 2021
In this paper, a novel reversible data hiding method for encrypted images (RDHEI) is proposed. An efficient coding scheme based on cyclic binary Golay (23, 12) code is designed to embed additional data into the least significant bits (LSBs) of the ...
Mariusz Dzwonkowski, Roman Rykaczewski
doaj   +1 more source

Self dual, reversible and complementary duals constacyclic codes over finite local Frobenius non-chain rings of length 5 and nilpotency index 4.

open access: yesAnalele Stiintifice ale Universitatii Ovidius Constanta: Seria Matematica, 2021
Over finite local Frobenius non-chain rings of length 5 and nilpotency index 4 and when the length of the code is relatively prime to the characteristic of the residue field of the ring, the structure of the dual of γ-constacyclic codes is established ...
Castillo-Guillén C. A.   +1 more
doaj   +1 more source

Optimal structural similarity constraint for reversible data hiding

open access: yes网络与信息安全学报, 2016
Most reversible data hiding (RDH) techniques have been evaluated by PSNR,which is based on MSE.Unfortunately,MSE turns out to be an extremely poor measure when the purpose is to predict perceived signal fidel-ity or quality.The structural similarity ...
Jia-jia XU   +4 more
doaj   +3 more sources

Reversible Self-Dual Codes over Finite Field

open access: yesCauchy: Jurnal Matematika Murni dan Aplikasi
Reversible self-dual code is a linear code which combine the properties from self-dual code and reversible code. Previous research shows that reversible self-dual codes have only been developed over field of order 2 and order 4.
Ardi Nur Hidayat   +2 more
doaj   +1 more source

Generating reversible circuits from higher-order functional programs

open access: yes, 2016
Boolean reversible circuits are boolean circuits made of reversible elementary gates. Despite their constrained form, they can simulate any boolean function.
A Ambainis   +15 more
core   +3 more sources

Group LCD and group reversible LCD codes

open access: yesFinite Fields and Their Applications, 2022
In this paper, we give a new method for constructing LCD codes. We employ group rings and a well known map that sends group ring elements to a subring of the $n \times n$ matrices to obtain LCD codes. Our construction method guarantees that our LCD codes are also group codes, namely, the codes are ideals in a group ring.
Steven T. Dougherty   +3 more
openaire   +4 more sources

Optical conductivity of hydrogenated graphene from first principles [PDF]

open access: yes, 2013
We investigate the effect of hydrogen coverage on the optical conductivity of single-side hydrogenated graphene from first principles calculations.
Fabian, Jaroslav   +2 more
core   +2 more sources

Reversible codes

open access: yesInformation and Control, 1964
A code is defined to be reversible if its code-word set is invariant under a reversal of the digits in each code word. Such codes may have application in certain data storage and retrieval systems. It is shown that cyclic codes and convolutional codes are reversible when and only when their code-generating polynomials are self-reciprocal.
openaire   +1 more source

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