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Student Project | Electronics & Communication Engineering | India | Volume 11 Issue 6, June 2022
A Novel Method for Reversible Data Hiding in Encrypted Images
Amol Baban Chavan | Ashis A. Zanjade
Abstract: Recently, reversible data hiding (RDH) in encrypted images is the most important property that the original cover can be lossless recovered after embedded data is extracted while protecting the image content?s confidentiality. Due to use of embedding data by reversibly vacating room from the encrypted images, this method may be subject to some errors on data extraction and image restoration. In this paper, we propose method by reserving room before encryption with a traditional reversible data hiding algorithm, and thus it is easy for the data hider to reversibly embed data in the encrypted image. This method can achieve real reversibility, data extraction and image recovery are free of any error. According to this method, it can embed more times as large payloads for the same image quality as the previous methods, such as for PSNR dB.
Keywords: Reversible Data Hiding, Image Encryption, Novel Method of RDH, Encryption Techniques, Difference Expansion, Histogram Shift
Edition: Volume 11 Issue 6, June 2022,
Pages: 1881 - 1885
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