Image Authentication Using Digital Water

[pic] Respected IT professionals, Assume the above jut unwrap is your college building . in a flash we ar telling that this is our college building. Is there every way for you to allege your copyright ownership of this image against our proposal. You live to set up this by digital means, so that even if it is copied from your website you go off claim for your copyrights. The break up was NO till yesterday (june2002) and today our paper has got the answer. You suasion images that you pick up are all yours? Think again, they whitethorn be secure passable with a watermark that could be very well traced down. A digital water line is a digital signal or manikin inserted into a digital image. Since this signal or pattern is present in separately unaltered copy of the pilot image, the digital waterline may also serve as a digital touch sensati on for the copies. The desirable characteristics of a watermark are Watermark should be springy to tired manipulations of any nature.

It should be statistically irremovable Every Watermarking shaping consists at least two different parts: Watermark Embedding Unit Watermark Detection and Extraction Unit In this paper, we discuss an algorithmic program for instituteding and detecting the Watermark in a still image. A robust, secure, invisible Watermark is imprinted on the image I, and the Watermarked image WI, is distributed. The generator keeps the original image I. To prove that an imag! e WI or a portion of it has been pirated, the author shows that W contains his Watermark (to this purpose, he could but does non have to use his original image I). The best a pirate can do is to establish to remove the original W Watermark (which is impossible if the Watermark is secure). There can be a nonher way out for the pirate, as to embed his signature in the image. But this does not help him besides much because both his original and his Watermarked Image...If you postulate to get a full essay, order it on our website: OrderCustomPaper.com

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