Acta Optica Sinica, Volume. 29, Issue 12, 3344(2009)
A Robust Blind Watermarking Algorithm Based on Non-Subsampled Contourlet Transform and Human Visual System
A robust blind digital watermarking scheme based on non-subsampled contourlet transform (NSCT) and human visual system (HVS) was proposed. In this paper,we establish a model of the human visual system in NSCT domain,using visual masking effect of HVS to adaptive embed watermark sequences. The experimental results show that the digital watermark not only the transparency can be guaranteed,but also has good robustness to noise addition,JPEG compression,cropping,filtering and image twisting etc. Furthermore,the watermark can be detected without original image. This is a perspective blind watermarking scheme.
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Ding Xinghao, Zhang Dengfeng, Qian Kun, Wang Xinxin. A Robust Blind Watermarking Algorithm Based on Non-Subsampled Contourlet Transform and Human Visual System[J]. Acta Optica Sinica, 2009, 29(12): 3344
Category: Image Processing
Received: Dec. 19, 2008
Accepted: --
Published Online: Dec. 23, 2009
The Author Email: Xinghao Ding (dxh@xmu.edu.cn)