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2. Digital watermarking - Wikipedia

   en.wikipedia.org/wiki/Digital_watermarking

   Digital watermarking. A digital watermark is a kind of marker covertly embedded in a noise-tolerant signal such as audio, video or image data. [1] It is typically used to identify ownership of the copyright of such a signal. Digital watermarking is the process of hiding digital information in a carrier signal; the hidden information should, [2 ...

3. Watermark - Wikipedia

   en.wikipedia.org/wiki/Watermark

   Watermark. A watermark is an identifying image or pattern in paper that appears as various shades of lightness/darkness when viewed by transmitted light (or when viewed by reflected light, atop a dark background), caused by thickness or density variations in the paper. [1] Watermarks have been used on postage stamps, currency, and other ...

4. Printer tracking dots - Wikipedia

   en.wikipedia.org/wiki/Printer_tracking_dots

   Yellow dots on white paper, produced by color laser printer (enlarged, dot diameter about 0.1 mm) Printer tracking dots, also known as printer steganography, DocuColor tracking dots, yellow dots, secret dots, or a machine identification code (MIC), is a digital watermark which many color laser printers and copiers produce on every printed page that identifies the specific device that was used ...

5. 94-Year-Old Grandma and Well-Behaved Newfoundland Walk in a ...

   www.aol.com/94-old-grandma-well-behaved...

   This is especially true with small children or older adults. My large dogs have always shown gentleness and restraint around those who may be more fragile. Like this gorgeous Newfoundland, who ...

6. Steganography - Wikipedia

   en.wikipedia.org/wiki/Steganography

   The same image viewed by white, blue, green, and red lights reveals different hidden numbers. Steganography (/ ˌ s t ɛ ɡ ə ˈ n ɒ ɡ r ə f i / ⓘ STEG-ə-NOG-rə-fee) is the practice of representing information within another message or physical object, in such a manner that the presence of the concealed information would not be evident to an unsuspecting person's examination.

7. Digital rights management - Wikipedia

   en.wikipedia.org/wiki/Digital_rights_management

   Digital rights management (DRM) is the management of legal access to digital content. Various tools or technological protection measures (TPM), [1] such as access control technologies, can restrict the use of proprietary hardware and copyrighted works. [2] DRM technologies govern the use, modification and distribution of copyrighted works (e.g ...