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An Image Authentication Technique in Frequency Domain Using Genetic Algorithm (IAFDGA)

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Executive Summary

In this paper Genetic Algorithm based Image Authentication technique in Frequency Domain using Z transformation (IAFDGA) has been proposed. A 2?2 mask is taken from the source image in row major order. Z transformation is applied to transform it into frequency domain. Six bits are embedded in each sub mask into the second and third transformed coefficients. The sub mask is then transformed into spatial domain using inverse Z transform. Embedded image mask of size 32 bits are taken as initial population. New Generation followed by crossover and mutation are applied on it.

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