Introducing a watermarking with a multi-objective genetic algorithm

Authors:
Diego Sal Díaz;Manuel Graña Romay
Affiliations:
Comp. Intelligence Group, San Sebastian, Spain;Comp. Intelligence Group, San Sebastian, Spain
Venue:
GECCO '05 Proceedings of the 7th annual conference on Genetic and evolutionary computation
Year:
2005

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Abstract

We propose an evolutionary algorithm for the enhancement of digital semi-fragile watermaking based on the manipulation of the image discrete cosine transform (DCT). The algorithm searches for the optimal localization of the DCT of an image to place the mark image DCT coefficients. The problem is stated as a multi-objective optimization problem (MOP), that involves the simultaneous minimization of distortion and robustness criteria.