Abstract In the Improved Pixel Value Ordering (IPVO) reversible data hiding method first, a
block of n pixels is sorted in ascending order. Then two pixel-pairs are established from the …

Reversible data hiding in encrypted images (RDH–EI) has increasingly attracted the
attention of many researchers because it can protect the content of both images and data …

Compared to conventional reversible data hiding (RDH) methods, dual-image RDH
methods have greater embedding capacity, better stego image quality and higher security …

In the pixel value ordering (PVO) based reversible data hiding method, there are only two
pixels in a block are used for embedding data. It limits the data embedding capacity …

In reversible image authentication (RIA) methods, it is common to use a reversible hiding
method to embed the authentication code (AC) bits into each block of an original image to …

An Improvemant of the IGEPVO-k Reversible Data Hiding Method | Journal on Information
Technologies & Communications Research and Development on Information and …