A blind watermarking algorithm based on HVS and RBF neural network for digital image

Authors:
Cheng-Ri Piao;Seunghwa Beack;Dong-Min Woo;Seung-Soo Han
Affiliations:
Department of Information Engineering & NPT Center, Myongji University, Yongin, Kyunggi, South Korea;Department of Information Engineering & NPT Center, Myongji University, Yongin, Kyunggi, South Korea;Department of Information Engineering & NPT Center, Myongji University, Yongin, Kyunggi, South Korea;Department of Information Engineering & NPT Center, Myongji University, Yongin, Kyunggi, South Korea
Venue:
ICNC'06 Proceedings of the Second international conference on Advances in Natural Computation - Volume Part I
Year:
2006

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Abstract

This paper proposes a new blind watermarking scheme in which a watermark is embedded into the discrete wavelet transform (DWT) domain. The method uses the HVS model, and radial basis function neural networks (RBF). RBF will be implemented while embedding and extracting watermark. The human visual system (HVS) model is used to determine the watermark insertion strength. The inserted watermark is a random sequence. The secret key determines the beginning position of the image where the watermark is embedded. This process prevents possible pirates from removing the watermark easily. Experimental results show that the proposed method has good imperceptibility and high robustness to common image processing attacks.