Sandeep Kumar

A cryptography-oriented reversible data hiding scheme using median prediction and grayscale invariance for secure image steganography

Manmohan Sharma, Priti Sharma, Preeti Rathi, Sandeep Kumar, Vibha Soni, Prashant Vats

In this paper: Reversible data hiding in encrypted images (RDH-EI) has emerged as a critical paradigm for high-security image systems, where both data confidentiality and lossless image recovery are mandatory. This...