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7.202  Articles
1 of 721 pages  |  10  records  |  more records»
One of the most used watermarking algorithms is Singular Value Decomposition (SVD), which has a balanced level of imperceptibility and robustness. However, SVD uses a singular matrix for embedding and two orthogonal matrices for reconstruction, which is i... see more

Hard problems have recently become an important issue in computing. Various methods, including a heuristic approach that is inspired by physical phenomena, are being explored. In this paper, we propose the use of simulated quantum annealing (SQA) to find ... see more

We study binary linear codes constructed from fifty-four Hadamard 2-(71,35,17) designs.The constructed codes are self-dual, doubly-even and self-complementary. Since most of these codeshave large automorphism groups, they are suitable for permutation deco... see more

In this paper, hardware efficient new involutory 32x32 binary MDS diffusion layers with branch number 5 are generated. The idea used in the Generalised Hadamard (GHadamard) matrix form has been applied to the new generalization method. Then, Boyar’s globa... see more

Balanced generalized weighing matrices include well-known classical combinatorial objects such as Hadamard matrices and conference matrices; moreover, particular classes of BGW -matrices are equivalent to certain relative difference sets. BGW -matrices ad... see more

We consider a strongly regular graph, G, and associate a three dimensional Euclidean Jordan algebra, V, to its adjacency matrix A. Then, by considering binomial series of Hadamard powers of the idem-potents of the unique complete system of orthogonal idem... see more

Recently the CDMA communication system has been developed with an ability to keep the secret of the transmitted information and also immune to  interferences.            In a CDMA sys... see more

Several interesting properties of a special type of matrix that has a row sum equal to the column sum are shown with the proofs. Premagic matrix can be applied to strongly connected directed network graph due to its nodes conservation flow. Relationships ... see more

Balanced generalized weighing matrices include well-known classical combinatorial objects such as Hadamard matrices and conference matrices; moreover, particular classes of BGW -matrices are equivalent to certain relative difference sets. BGW -matrices ad... see more

1 of 721 pages  |  10  records  |  more records»