Digital Watermarking Schemes for Authorization Against Copying or Piracy of Color Images

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Provided by: Creative Commons
Topic: Security
Format: PDF
In this paper, the authors present digital watermarking methods for authorization against copying or piracy of color images. Watermarking is a very important field for copyrights of various electronic documents and media. With images widely available on the Internet, it may sometimes be desirable to use watermarks. Digital watermarking is the processing of combined information into a digital signal. A watermark is a secondary image, which is overlaid on the host image, and provides a means of protecting the image. This paper presents the survey on digital watermark features, its classifications and applications.
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