Reversible Difference Expansion Embedding Using Two Edge Directions.

Wen-Chuan Wu Wei-Teng Wong Zi-Wei Lin

Published in: CISIS (2013)

Keyphrases

reversible watermarking
prediction error
watermarking scheme
edge information
edge detection
multiple scales
vector space
image processing
disjoint paths
edge detector
data sets
weighted graph
cellular automata
edge map
image gradient
markov chain
video sequences