A Multilevel Quantifying Spread Spectrum PN Sequence Based on Chaos of Cellular Neural Network.

Yaqin Zhao Nan Zhao Zhilu Wu Guanghui Ren

Published in: ISNN (2) (2006)

Keyphrases

spread spectrum
cellular neural networks
image watermarking
data hiding
transform domain
neural network
watermarking scheme
watermarking algorithm
direct sequence spread spectrum
fixed point
higher order
bit error rate
digital watermarking
spatial domain
probabilistic model
frequency hopping
high resolution