Hexagonal quantizers are not optimal for 2D data hiding.

Félix Balado Fernando Pérez-González

Published in: Security and Watermarking of Multimedia Contents (2003)

Keyphrases

data hiding
spread spectrum
high capacity
error correction
tamper detection
secret data
reversible data hiding
jpeg images
data hiding scheme
coding scheme
watermarking technique
information hiding
data embedding
image coding