Digital Image Authentication by DCT and RPM Based Watermarking
نویسندگان
چکیده
منابع مشابه
Evaluating Digital Image Watermarking based on Image Interlacing , DWT & DCT .
Digital watermarking is important as it facilitates security & protection to digital data whereas when this data are used within international network they must exist in compressed format as it requires minimum transmission bandwidth & reduced storage requirement. Hence our proposed scheme will serve as a solution for maintaining the digital data in compressed state. To achieve this goal the pr...
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-Watermarking is an effective technology that solves many problems within a digitization. By embedding Intellectual Property data (e.g. the creator, licence model, creation date or other copyright information) within the digital object, the digitiser can demonstrate they are the creator and disseminate this information with every copy, even when the digital object has been uploaded to a third p...
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The need for displaying one‘s own multimedia content on the internet is increasing day by day. With the exponential growth of internet and high speed networks operating through out the world it’s a challenging task to protect copyright of an individual’s creation. Digital watermarking provides a viable solution to protect copyright and authenticate the ownership of an intellectual property. In ...
متن کاملDigital Image Watermarking In DCT Domain
Digital Image watermarking is the process that embeds data called watermark in to multimedia object such that the watermark can be extracted or detected to make an assertion about the object. Watermarking is either “visible” or “invisible”. The growth of high speed computer networks and internets, in particular, explore the means of new business, scientific, entertainment and social opportuniti...
متن کاملCombined DWT-DCT Digital Image Watermarking
The proliferation of digitized media due to the rapid growth of networked multimedia systems, has created an urgent need for copyright enforcement technologies that can protect copyright ownership of multimedia objects. Digital image watermarking is one such technology that has been developed to protect digital images from illegal manipulations. In particular, digital image watermarking algorit...
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ژورنال
عنوان ژورنال: IOSR Journal of Engineering
سال: 2016
ISSN: 2278-8719,2250-3021
DOI: 10.9790/3021-068013544