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Watermark
(redirected from Digital watermark)

   Also found in: Dictionary/thesaurus, Legal, Encyclopedia, Wikipedia 0.01 sec.
Watermark
An image in a piece of paper that may be seen more clearly when it is held up to light. This is used in printing some money and passports to prevent counterfeiting. For example, if one holds a $20 American bill up to light, one would see a watermark of Andrew Jackson's face.


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The Digital Watermarking Alliance was launched in September 2006 to build awareness of the value of digital watermarking to content owners, industry, policy makers and consumers Digital watermarks can identify copyrighted content and associated rights, during and after distribution, to determine copyright ownership and facilitate rights management policy while enabling innovative new content distribution and usage models.
First, NTT Comware's Authentication System compares the data embedded within the digital watermark with the data contained within the website.
This fully functional trial version applies digital watermarks to images.
 
 
 
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