Image Authentication Using Digital Water

[pic] Respected IT professionals, Assume the above theatrical role is your college building . in a flash we ar telling that this is our college building. Is there whatever way for you to allege your copyright ownership of this image against our proposal. You fork over to elevate this by digital means, so that even if it is copied from your website you r divulge out 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 generous with a watermark that could be very well traced down. A digital water level is a digital signal or material body inserted into a digital image. Since this signal or pattern is present in separately unaltered copy of the master key image, the digital water level may also serve as a digital touch sensation for the copies. The desirable characteristics of a watermark are Watermark should be springy to commonplace manipulations of any nature.

It should be statistically irremovable Every Watermarking initiation 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 imag e WI, is distributed. The generator keeps t! he original 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 movement 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 exigency to get a full essay, order it on our website: OrderCustomPaper.com

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