Watermark extraction by magnifying noise and applying global minimum decoder.

Zhigeng Pan Li Li Mingmin Zhang David Zhang

Published in: ICIG (2004)

Keyphrases

global minimum
watermark extraction
cost function
energy function
energy minimization
simulated annealing
watermarking scheme
global optimum
noise level
signal to noise ratio
energy functional
image structure
low frequency
belief propagation
watermarking algorithm
singular values
copyright protection
neural network