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9. Explain what a digital watermark is in one or two paragraphs, and then write an additional paragraph in which you provide

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DIGITAL WATERMARK:
There are various measures for protecting the original digital work online. Digital  watermark is one such measure that  protects the copyrighted original  work Watermarking is a method used to protect online photos, videos or content from unauthorized use It is an embedded overlay on photo, text or content in a form of logo, text , or copyright notice.

Digital watermarking is a process of embedding digital codes into photographs or other media that is undetectable during use but can be traced and media can be identified It is a method that is used to hide author information on original work  in digital media. The hiding of information is done in a way to make slight modifications in the media are not traceable.

Any unauthorized use of such work can easily be detected and traced. This makes a digital watermarking a robust technique of protection of original work


Digital watermarking can be used for following purposes:

• Protection of original work !Tom unauthorized use

• Tracking the source of the content

• Monitoring broadcast

There are various instances where digital watermarks can be used It is of great importance in cases of data security or passports.

For example;

Data security — To secure data and provide conditional access of the data, digital watermarking can be used There can be ID cards published using the technique The ID. have a unique ID number of the person such as, 12305 This number will be printed next the photo. !den. However, this number will also be embedded on Me photo ID through digital watermarking This safeguards Me conditional access to the data

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