A Mini-Sudoku Matrix-Based Data Embedding Scheme With High Payload

A Mini-Sudoku Matrix-Based Data Embedding Scheme With High Payload

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Data hiding is a technology that generates meaningful stego media by embedding secret data in the cover media.In this paper, we propose a novel data hiding scheme using a mini-Sudoku matrix (MSM).A candidate block associated with the mapping value of a cover pixel pair on the MSM is used to indicate where the original pair would be modified to.

According to the candidate block, each non-overlapping pixel pair can embed four bits of The Pilgrimage to the Holy Face of Lucca in 1896: Documents and News from the Archive of the Congregation of the Holy Face secret data.Among them, the first two bits are mapped from a specific element in the MSM while the other two are represented by the horizontal and vertical coordinates of this element with the modulus function.In addition, our MSM can be easily extended, and the proposed method can be used Improvement of a land fragmentation measurement model based on natural surface elements and road network in other magic matrices to increase their embedding capacities.

The experimental results indicate that our proposed scheme provides images with better visual quality than the previous methods.Furthermore, the security of the proposed scheme is verified by using pixel difference histogram (PDH) and RS steganalysis.