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Digital Image Watermarking based on DWT using QR Code


Author : Sumedha Nishane and V. M. Umale

Pages : 1530-1532
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Abstract

In this science era with the development of technology and internet, the protection and authentication of data is essential. Watermarking techniques provide solution to this problem. QR code being so versatile because of its structural flexibility that it leads to so many diverse field for research such as increasing data capacity, security applications such as different kinds of watermarking . We have used QR code as cover image and as secret image to protect it from other users. This paper is representing a new watermarking technique with QR code to protect the secret image. In the method described here the image is first encrypted in random matrix, then it is invisibly watermarked in cover image and no information about the secret image and cover image is needed for extraction of secret image, so it more secure.

Keywords: Watermarking, DWT, QR code, Watermark embedding, Watermark extraction.

Article published in International Journal of Current Engineering and Technology, Vol.5, No.3 (June-2015)

 

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