Author(s) : Fallahpour, Mehdi , Megías Jiménez, David , Shi, Yun Q.

Description : This letter presents a lossless data hiding scheme for digital images which uses an edge detector to locate plain areas for embedding. The proposed method takes advantage of the well-known gradient adjacent prediction utilized in image coding. In the suggested scheme, prediction errors and edge valu...

Repository : Repositori institucional de la UOC, O2

Language(s) : Old English