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2. Watermark - Wikipedia

   en.wikipedia.org/wiki/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]

3. Digital watermarking - Wikipedia

   en.wikipedia.org/wiki/Digital_watermarking

   A digital watermark is called imperceptible if the watermarked content is perceptually equivalent to the original, unwatermarked content. [7] In general, it is easy to create either robust watermarks or imperceptible watermarks, but the creation of both robust and imperceptible watermarks has proven to be quite challenging. [2]

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 photocopiers produce on every printed page that identifies the specific device that was ...

5. Security printing - Wikipedia

   en.wikipedia.org/wiki/Security_printing

   True watermark. A true watermark is a recognizable image or pattern in paper that appears lighter or darker than surrounding paper when viewed with a light from behind the paper, due to paper density variations. A watermark is made by impressing a water coated metal stamp or dandy roll onto the paper during manufacturing.

6. Truth behind the Donald Trump quote from 1998 that's rapidly ...

   www.aol.com/news/2016-11-09-truth-behind-the...

   It has a watermark for The Other 98%, a popular left-leaning Facebook page, though New York Magazine reports that the above photo has now been removed from the page. RELATED: See Trump elected ...

7. Watermark (disambiguation) - Wikipedia

   en.wikipedia.org/wiki/Watermark_(disambiguation)

   Audio watermark, techniques for embedding hidden information into audio signals; Watermark (data file), a method for ensuring data integrity which combines aspects of data hashing and digital watermarking; Watermark (data synchronization), directory synchronization related programming terminology; Watermarking attack, an attack on disk ...

8. Why AI watermarks miss the mark in preventing misinformation

   www.aol.com/news/why-ai-watermarks-miss-mark...

   AI watermarks can even be removed if a user doesn’t intend to. Sometimes uploading photos online strips the metadata from them in the process. The visible labels associated with watermarking ...

9. Light-and-shade watermark - Wikipedia

   en.wikipedia.org/wiki/Light-and-shade_watermark

   Chiaroscuro watermark. The artist Bill Fink is holding up the self portrait to light with the watermarked paper held in his hand. A light-and-shade watermark, [note 1] is a watermark image produced in a chiaroscuro style. In a traditional watermark, an image is produced in paper fibers by contrasting shades of light and dark in places where the ...