Difference Expansion Based Reversible Data Hiding Using Two Embedding Directions.

Yongjian Hu Heung-Kyu Lee Kaiying Chen Jianwei Li

Published in: IEEE Trans. Multim. (2008)

Keyphrases

reversible data hiding
embedding capacity
data hiding
high capacity
visual quality
prediction algorithm
secret data
coding method
error correction
cover image
pixel values
spatial domain
image quality
feature vectors
human visual system
signal processing
motion estimation