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A novel reversible visible watermarking technique for images using Noise Sensitive Region Based Watermark Embedding (NSRBWE) approach

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2 Author(s)
Atul Verma ; ABV-Indian Institute of Information Technology and Management, Gwalior, MP-474010, India ; Shashikala Tapaswi

The enhanced data processing technologies have made the manipulation and computation of digital data & images easier. This has created a need for the copyright protection of digital content. In this paper a novel reversible visible watermarking algorithm is proposed to cater the needs of copyright protection and to resume the original image data processing at the receiver's end. This proposed algorithm uses a noise sensitive region based watermarking embedding (NSRBWE) technique to embed the watermark W in the given region R of Image I. To extract the original image from the visible watermarked image it is necessary to remove the full watermark. We preserve the information of altered pixels of the region R in the rest of image I - R. Our algorithm can fully remove the watermark from the visible watermarked image. It uses a Secret Key K to reconstruct the altered pixels value. In addition, only users with correct secret key K can restore the original image.

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Date of Conference:

18-23 May 2009