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Watermarked and Encrypted Image for Reversible Data Hiding by Reserving Room Algorithm with Random Pixel Data Hiding

Journal: International Journal of Science and Research (IJSR) (Vol.3, No. 9)

Publication Date:

Authors : ; ;

Page : 162-166

Keywords : Reversible data hiding; image encryption; random data hiding; self-embedding;

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Reversible Data Hiding (RDH) gaining the attraction in the world of secured message passing through encrypted images. It is due to the excellent property of recovering the original cover or image after embedded data is extracted while protecting the encrypted image contents condentiality. The related works may embed data by reversibly vacating room from the encrypted images, which may be subject to some errors on data extraction and/or image restoration. In this paper, we propose a novel method by reserving room before encryption and a watermarking technology with a traditional RDH algorithm, and thus it is easy for the data hider to reversibly embed data in the encrypted image with an authentication to the sender. The data which is more secure and unrecoverable for an external hacker/intruder since it is stored in a random way. The proposed method can get 100 % reversibility with data extraction and image recovery. Experiments show that this novel method can embed more than 10 times as large payloads for the same image quality as the earlier methods, such as for PSNR 40dB or above.

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Last modified: 2021-06-30 21:07:44