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**Call for Papers Volume 11, Issue 06, December 2022

 

ENHANCED REVERSIBLE DATA HIDING ON ENCRYPTED IMAGES USING SELECTIVE PIXEL FLIPPING METHOD AND PROPOSED PIXEL BITS CHANGE METHOD


Author : Sunil Kumar, Manish Rai
[ Volume No.:X, Issue No.VI-Nov 2021] [Page No : 1021] [2021]

Enhanced reversible data hiding on encrypted images using selective pixel flipping method and proposed pixel bits change method. Reversible data hiding on encrypted images may be a vigorous area of research within the sector of knowledge security, which involves the technique of carrying knowledge during an appropriate multimedia carrier for secure communication. Image information hiding procedure makes available authentication of data and secret communication other than can reason a loss of the delivery service. RDH uses many procedures are used for patent security, truth validation, image media registration. Applications like medical imagery, military, and forensics degradation don't allow distortion of the original cover, so it needs secure data hiding techniques. In this research, drawback overcome through PM and recovery process without distortion was removed by reversible data hiding methods. RDH techniques recover the primary carrier exactly after the extraction of the encrypted key data. Reversible Data Hiding Techniques are classified supported the strategy of implementation, image data hiding scheme using pixel bits change process confirm data hiding and therefore the exact image recovery at the receiver side, the proposed method uses a bits change histogram process, they also observed that this scheme (selective pixel flipping method) is liable to fail while recovering an image block which contains highly correlated pixel values (very low smooth region). During this study, these schemes (selective pixel flipping method) may help scale back the block size but more error rate. Since equivalent reference pixels are often exploited within the extraction procedure, the embedded secret bits are often extracted from the stego image correctly, and therefore the cover image is often restored losslessly. The experimental study of this scheme is carried on an image dataset, and thus the results show that the improved reversible data hiding on encrypted images using proposed pixel bits change method and improve PSNR, low MSE, original, watermarked image and also to extend Peak signal to noise ratio called best RDH.

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