Abstract

In this study an efficient copyright protection scheme for e-governance documents has been proposed. The proposed method uses Discrete Cosine Transform (DCT) and Principal Component Analysis (PCA) to watermark the digital content. Experimental results show that the proposed method offers high imperceptibility and also the watermark is extracted perfectly.

Keywords:

DCT and PCA , digital watermarking , e-governance documents,

References

1. Bhatnagar, G. and B. Raman, 2009. A new robust reference watermarking scheme based DWT-SVD. Comp. Stand. Inter., 31(5): 1002-1013.
   CrossRef    
2. Chih-Chin, L. and T. Cheng-Chih, 2010. Digital image watermarking using discrete wavelet transform and principal component analysis. IEEE T. Instrum. Meas., 59(11).
   
3. Chuan-Fu, W. and H. Wen-Shyong, 2000. Digital watermarking using zerotree of DCT. IEEE T. Consum. Electr., 46(1) : 87-94.
   CrossRef    
4. Da, L. and B.L. Guo, 2009. Localised image watermarking in spatial domain resistant to geometric attacks. Int. J. Electron. Commun., 63(2): 123-131.
   CrossRef    
5. Hernandez, J.R., M. Amado and F.P. Gonazalez, 2000. DCT-domain watermarking techniques for still images: Detector performance analysis and a new structure. IEEE T. Image Process., 9: 55-68.
   CrossRef    PMid:18255372    
6. Jobin, A. and P. Varghese, 2012. Watermark captioning for images in E-governance. Int. J. Comput. Appl. Eng. Sci., 2(2): 119-122.
   
7. Khalilian, H. and I.V. Bajic, 2013. Video watermarking with empirical PCA-based decoding. IEEE T. Image Process., 22(12): 4825-4840.
   CrossRef    PMid:23955763    
8. Lin, S.D., S.C. Shie and J.Y. Guo, 2010. Improving the robustness of DCT-based image watermarking against JPEG compression. Comp. Stand. Inter., 32(1/2): 54-60.
   CrossRef    
9. Maheswari, S. and K. Rameshwaran, 2012. A robust blind image watermarking based on Double Haar Wavelet Transform (DHWT). J. Sci. Ind. Res., 71(5): 324-329.
   
10. Reena, G. and M. Saurabh, 2010. A DCT based permuted image digital watermarking method. Proceeding of the IEEE International Conference on TENCON.
    
11. Solachidis, V. and I. Pitas, 2001. Circularly symmetric watermark embedding in 2-D DFT. IEEE T. Image Process., 10(11): 1741-1753.
    CrossRef    PMid:18255515    
12. Subramanyam, A.V. and S. Emmanuel, 2012. Robust watermarking of compressed and encrypted JPEG2000 IMAGES. IEEE T. Multimedia, 14(3): 130-142.
    CrossRef    
13. Vundela, P. and V. Sourirajan, 2013. A robust multiwavelet-based watermarking scheme for copyright protection of digital images using human visual system. Int. Arab J. Inf. Techn., 10(6): 527-535.
    
14. Xiaowei, L., 2008. The application of fragile watermark in e-governance. Proceeding of the International Conference on Management of e-Commerce and e-Government (ICMECG'08), pp: 136-139.
    
15. Yassin, N.I., N.M. Salem and M.I. El Adawy, 2012. Block based video watermarking scheme using wavelet transform and principle component analysis. Int. J. Comput. Sci. Issues, 9(3): 296-301.
    

Competing interests

The authors have no competing interests.

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The authors have no competing interests.