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2013 (Vol. 6, Issue: 18)
Article Information:

Digital Image Watermarking in Frequency Domain Using ECC and Dual Encryption Technique

G.S. Kalra, R. Talwar and H. Sadawarti
Corresponding Author:  G.S. Kalra 

Key words:  DCT, DWT, frequency domain, image, watermarking, ,
Vol. 6 , (18): 3365-3371
Submitted Accepted Published
January 12, 2013 February 18, 2013 October 10, 2013

This study presented an algorithm to protect the copyright watermark by providing Hamming codes as error correcting technique. Watermark was embedded in frequency domain using discrete cosine transformation and discrete wavelet transformation, to enhance the susceptibility. Combinations of two techniques are used to target medium frequencies only. Randomness of the watermark is also created before embedding. Instead of embedding in the same place in every block, it is embedded adaptively which depends upon the row and column of that particular block. Results prove the effectiveness of the algorithm against various attacks like jpeg attack, filtering and addition of noises like Gaussian noise, salt and pepper noise and speckle noise. ECC proved to be effective to recover the watermark after certain attacks performed.
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  Cite this Reference:
G.S. Kalra, R. Talwar and H. Sadawarti, 2013. Digital Image Watermarking in Frequency Domain Using ECC and Dual Encryption Technique.  Research Journal of Applied Sciences, Engineering and Technology, 6(18): 3365-3371.
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ISSN (Online):  2040-7467
ISSN (Print):   2040-7459
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