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[PDF][PDF] A novel watermarking method using hadamard matrix quantization
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 …
which has a balanced level of imperceptibility and robustness. However, SVD uses a …
A practical algorithm for completing half-Hadamard matrices using LLL
A Goldberger, Y Strassler - Journal of Algebraic Combinatorics, 2022 - Springer
A (classical) partial Hadamard Matrix is an m * nm× n matrix H with values in {-1, 1\}-1, 1
such that HH^ T= nI_m HHT= n I m. If m= nm= n, we say that H is a (full) Hadamard Matrix. In …
such that HH^ T= nI_m HHT= n I m. If m= nm= n, we say that H is a (full) Hadamard Matrix. In …
Fast and Robust Watermarking Method using Walsh Matrix Partition
In the research of watermarking algorithm, the Singular Value Decomposition (SVD) is
widely use. It has the capability of maintaining the imperceptibility and robustness at a good …
widely use. It has the capability of maintaining the imperceptibility and robustness at a good …
[HTML][HTML] Pseudococyclic partial Hadamard matrices over Latin rectangles
The classical design of cocyclic Hadamard matrices has recently been generalized by
means of both the notions of the cocycle of Hadamard matrices over Latin rectangles and …
means of both the notions of the cocycle of Hadamard matrices over Latin rectangles and …