A Novel RDH Scheme for Real Time Applications
Keywords:
Image encryption, Reversible data hiding, Histogram, data extraction, PSNRAbstract
Significance of Multimedia security is ever increasing due to threat of duplication, modification and manipulation of the multimedia data like photograph and documents. In the recent days reversible data hiding(RDH) in encrypted images is gaining widespread application in the digital world. Use of RDH for real time application helps in losslessly recovering the original image after the embedded data is extracted and image content’s confidentiality is also protected. In this paper we propose a novel method of RDH for real time multimedia data by reserving room. Performance analysis is done for different embedding rates. Experimental results show that, this novel method ensures better security of the multimedia data and protects the original image from manipulation by the data hider.
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