计算机科学 ›› 2016, Vol. 43 ›› Issue (6): 131-134.doi: 10.11896/j.issn.1002-137X.2016.06.027
朱丹丹,吕鲤志
ZHU Dan-dan and LV Li-zhi
摘要： 在研究Contourlet变换和伪Zernike矩理论的基础上,提出了一种新颖的抗几何攻击数字图像水印算法。该算法首先 用Contourlet变换处理 原始图像,提取出图像的低频区域；然后依据人眼的视觉特性以及嵌入水印前、后系数的相关性,采取量化调制伪Zernike矩的幅值将数字水印信息嵌入图像的低频区域中。其无须借助于原始图像,就能进行水印提取,实现真正的盲检测。实验结果表明,该算法对平移变换的抵抗力最强,对旋转和缩放也有很好的抵抗力,而且经过JPEG压缩之后,数字水印也不会失真。
| [1] Hajjara S.Digital Image Watermarking using localized Biortho-gonal wavelets[J].European Journal of Scientific Research,2009,26(4):594-608 [2] Khaldi K,Boudraa O.Audio Watermarking Via EMD[J].IEEE Transactions on Audio Speech & Language Processing,2013,21(3):675-680 [3] Yamato K,Hasegawa M,Shinoda K,et al.Image restorationusing similar region search and digital watermark[C]∥Signal and Information Processing Association Annual Summit and Conference (APSIPA),2013 Asia-Pacific.IEEE,2013 [4] Li Lei-da,Guo Bao-long.Localized image watermarking in spatial domain resistant to geometric attacks[J].Int.J.Electron.Commun.(AEU),2009,63:123-131 [5] Zheng,Wang,Zhao.RST invariant image watermarking algorithm with mathematical modeling and analysis of the watermarking processes[J].IEEE Transactions on Image Processing,2009,18(5):1055-1068 [6] Lee H Y, Kim H.Robust image watermarking using local invariant features[J].Optical Engineering,2006,5(3):1-11 [7] Liu Yan,Zhao Ji-ying.A Robust Image Watermarking Method Based on Adaptive Feature Points Detection[C]∥2006 International Conference on Communications,Circuits and Systems Proceedings.2006:49-53 [8] Ryu S J,Kirchner M,Lee M J,et al.Rotation Invariant Localization of Duplicated Image Regions Based on Zernike Moments[J].IEEE Transactions on Information Forensics & Security,2013,8(8):1355-1370 [9] Chai Y,Li H,Zhang X.Multifocus image fusion based on features contrast of multiscale products in nonsubsampled contourlet transform domain[J].Optik-International Journal for Light and Electron Optics,2012,123(7):569-581 [10] Ellmauthaler,Andreas,Pagliari,et al.Multiscale image fusionusing the undecimated wavelet transform with spectral factori-zation and nonorthogonal filter banks[J].IEEE Transactions on Image Processing,2013,22(3):1005-1017 [11] Li H,Chai Y,Li Z.Multi-focus image fusion based on nonsubsampled contourlet transform and focused regions detection[J].Optik-International Journal for Light and Electron Optics,2013,124(1):40-51 |
| No related articles found! |
|
||
首页