Memetic Algorithm-Based Image Watermarking Scheme

Authors:
Qingzhou Zhang;Ziqiang Wang;Dexian Zhang
Affiliations:
School of Information Science and Engineering, Henan University of Technology, Zheng Zhou, China 450052;School of Information Science and Engineering, Henan University of Technology, Zheng Zhou, China 450052;School of Information Science and Engineering, Henan University of Technology, Zheng Zhou, China 450052
Venue:
ISNN '08 Proceedings of the 5th international symposium on Neural Networks: Advances in Neural Networks
Year:
2008

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Abstract

Watermarking technology is the most efficient way to protect the ownership of multimedia data. In this paper, a novel image watermarking scheme using the Discrete Wavelet Transform (DWT) and memetic algorithm (MA) is introduced. The watermark is embedded to subband coefficients of subimage which is extracted from the original image by using DWT, and watermark extraction is efficiently performed via memetic algorithm. Experimental results show that the proposed watermarking scheme makes an almost invisible difference between the watermarked image and the original image, and is robust to common image processing operations.