Improved Histogram-Shifting-Imitated Reversible Data Hiding Scheme. - Pyung-Han Kim; Dae-Soo Kim; Kee-Young Yoo (ITNG, 2015)

Data-Hiding Scheme Using Multidirectional Pixel-Value Differencing on Colour Images. - Pyung-Han Kim; Eun-Jun Yoon; Kwan-Woo Ryu; Ki-Hyun Jung (Secur. Commun. Networks, 2019)

Reversible data hiding scheme based on pixel-value differencing in dual images. - Pyung-Han Kim; Kwan-Woo Ryu; Ki-Hyun Jung (Int. J. Distributed Sens. Networks, 2020)