Description

Data hiding is the process for embedding message into the covers in any multimedia files such as image, audio and video files or any other files. Data hiding denotes, hiding the information or keeping the information secret which is used for on the person who is authenticated and having the key, etc. Reversible data hiding in encrypted images has attracted considerable attention from the communities of privacy security and protection. On the recipient side, additional message can be extracted from the marked encrypted image, and the original image can be recovered without any errors. Reversible data hiding in encrypted images (RDH – EI) has got some promising applications in cloud storage, medical imaging , forensics etc.