Reversible Data Hiding Wrapper Approach for Encrypted Image before Reserving Room

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Provided by: International Journal of Computer Engineering & Applications
Topic: Big Data
Format: PDF
Reversible Data Hiding (RDH) gives original image after data extraction and image decryption without any loss. In the authors' proposed method, room is reserved for data embedding before image encryption. Due to this, RDH task in encrypted images would be more natural and much easier. This important technique is widely used in medical military imagery. Benefit of this method is that data hider gets extra space emptied out in previous stage to make data hiding process easy.
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