Steganography is the art of concealing information in a cover media in such a way that the
presence of the information is unknown. Digital image steganography accomplishes the …

Storing and communicating secret and/or private information has become part of our daily
life whether it is for our employment or personal well-being. Therefore, secure storage and …

Digital steganography has a long history, starting to be developed in the 90s until now. The
main aspects of early steganography are security, imperceptibility, and payload. Security is …

Reversible data hiding in encrypted images (RDHEI) is an effective technique to embed data
in the encrypted domain. An original image is encrypted with a secret key and during or after …

In the past two decades, reversible data hiding (RDH), also referred to as lossless or
invertible data hiding, has gradually become a very active research area in the field of data …

Recently, more and more attention is paid to reversible data hiding (RDH) in encrypted
images, since it maintains the excellent property that the original cover can be losslessly …

Prediction-error expansion (PEE) is the most successful reversible data hiding (RDH)
technique, and existing PEE-based RDH methods are mainly based on the modification of …

This work proposes a novel scheme for separable reversible data hiding in encrypted
images. In the first phase, a content owner encrypts the original uncompressed image using …

With the development of cloud storage and privacy protection, reversible data hiding in
encrypted images (RDHEI) has attracted increasing attention as a technology that can …

This work proposes a novel reversible data hiding scheme for encrypted image. After
encrypting the entire data of an uncompressed image by a stream cipher, the additional data …