Image Authentication Using Digital Water

[pic] Respected IT professionals, Assume the above depiction is your college building . in a flash we are telling that this is our college building. Is there some(prenominal) way for you to allege your copyright ownership of this image against our proposal. You suck to install this by digital means, so that even if it is copied from your website you awaken 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 fair to middling with a watermark that could be very well traced down. A digital watermark is a digital signal or figure of speech inserted into a digital image. Since this signal or pattern is present in separately unaltered copy of the true image, the digital water line may also serve as a digital touch sensation for the copies. The desirable characteristics of a watermark are Watermark should be springy to banal manipulations of any nature.

It should be statistically irremovable Every Watermarking organic law 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 d istributed. The generator keeps the origina! l image I. To prove that an image 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 turn up to remove the original W Watermark (which is impossible if the Watermark is secure). There can be a nonher way fall 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 lack to get a full essay, order it on our website: OrderCustomPaper.com

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