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Accepted Papers
    CDISS-BEMOS: A NEW COLOR DOCUMENT IMAGE STEGANOGRAPHY SYSTEM BASED ON BETA ELLIPTIC MODELING OF THE ONLINE SIGNATURE
    Anissa Zenati, Wael Ouarda, and Adel M. Alimi
    REGIM-Lab.: REsearch Groups in Intelligent Machines, University of Sfax, National Engineering School of Sfax (ENIS), BP 1173, Sfax, 3038, Tunisia
    Abstract
    Based on the Beta elliptic Modelling, a new signature steganography color document image system is proposed in this paper. This system uses the Binary Robust Invariant Scalable Keypoint (BRISK) detector to obtain the potential feature points used for constructing the embedding regions. The Beta elliptic signature is transformed to a secret message bits representation using the Huffman Coding (HC) to increase the performance of our system. Then, the secret message bits is divided into three sub-message bits mR, mG, and mB, using the weights aR, aG, and aB, respectively. Finally, each sequence bits is embedded into the corresponding channel, red (R), green (G), and blue (B) by modifying the first Least Significant Bit (LSB) of the embedding regions pixels. The quantitative and qualitative experimental results on multiple datasets:L3iDocCopies, LRDE Document Binarization Dataset, and on standard test images, demonstrate that the proposed color document images steganography system in the spatial domain, maintains a better visual quality measured by Peak Signal to Noise Ratio (PSNR), Structural Similarity Index Matrix (SSIM), and Human Visual System (HSV) metrics, with relatively less computational complexity, which approves its effectiveness as compared to existing systems.
    Keywords

    Color Document Image Steganography; Beta elliptic Modeling; Least Significant Bit; Information security







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