A DCT domain watermarking algorithm based on scrambling transforming

doi:10.7523/j.issn.2095-6134.2011.5.017

Abstract

Abstract:

We propose a DCT domain watermarking algorithm, which is consistent with Kerckhoff principle.This algorithm transforms the watermark image before the watermark embedding and embeds watermark images by key vector, which improves the robustness and security greatly. The experiments indicate that the program has a better robustness on Gaussian low-pass filtering, white noise, JPEG compression, image shearing, and other kinds of attack and a better security.

Key words: Arnold transform, discrete cosine transform, Kerckhoff principle, digital watermarking

CLC Number:

TP391

LI Zhao-Hui, WANG Min. A DCT domain watermarking algorithm based on scrambling transforming[J]. , 2011, 28(5): 684-689.

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