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 ...

is a recognizable image or pattern in paper used to determine authenticity. Watermark or watermarking may also refer to:

Technology

Digital watermarking A digital watermark is a kind of marker covertly embedded in a noise-tolerant signal such as audio, video or image data. It is typically used to identify ownership of the copyright of such signal. "Watermarking" is the process of hiding digital inf ...

, a technique to embed data in digital audio, images or video **

Audio watermark An audio watermark is a unique electronic identifier embedded in an audio signal, typically used to identify ownership of copyright. It is similar to a watermark on a photograph. Watermarking is the process of embedding information into a signal ...

, techniques for embedding hidden information into audio signals *

Watermark (data file) A watermark stored in a data file refers to a method for ensuring data integrity which combines aspects of data hashing and digital watermarking. Both are useful for tamper detection, though each has its own advantages and disadvantages. Data ...

, a method for ensuring data integrity which combines aspects of data hashing and digital watermarking *

Watermark (data synchronization) A Watermark for data synchronization describes an object of a predefined format which provides a point of reference value for two systems/datasets attempting to establish delta/incremental synchronization; any object in the queried data source whic ...

, directory synchronization related programming terminology *

Watermarking attack In cryptography, a watermarking attack is an attack on disk encryption methods where the presence of a specially crafted piece of data can be detected by an attacker without knowing the encryption key. Problem description Disk encryption suites ge ...

, an attack on disk encryption methods

Films

* ''Watermark'' (film), a 2013 documentary film directed by Jennifer Baichwal and Edward Burtynsky * ''Watermarks'' (film), a 2004 documentary film about the Viennese Hakoah swim team

Music

* ''Watermark'' (Art Garfunkel album), a 1977 album by Art Garfunkel * ''Watermark'' (Enya album), a 1988 album by Enya *

Watermark (band) Watermark was a Contemporary Christian singing duo composed of husband and wife Nathan and Christy Nockels. They were under Michael W. Smith's record label, Rocketown Records. History Watermark got their start recording under the name Sons and D ...

, the CCM singing duo Nathan and Christy Nockels * "Watermark", a song by

Mae Moore Mae Moore is a Canadian singer-songwriter. Her music is a blend of pop, folk and jazz. Her most successful album, 1992's ''Bohemia'', was an international hit, although her other albums have been successful mainly in Canada. Biography Moore gre ...

from her 1995 album ''Dragonfly'' * "Watermark", a song by The Weakerthans from their 2000 album ''

Left and Leaving ''Left and Leaving'' is the second studio album by The Weakerthans, released July 25, 2000, on G7 Welcoming Committee Records. In ''Chart'' magazine's 2005 poll of the Top 50 Canadian albums of all time, ''Left and Leaving'' ranked in sixth plac ...

Organizations

* Watermark Inc., a radio syndication company *

Shenhua Watermark coal mine The Shenhua Watermark coal mine was a proposed coal mine in the Liverpool Plains of New South Wales, Australia. The project was to be located approximately 25 km south-east of the town of Gunnedah, near the village of Breeza and carried out ...

Other uses

* ''Watermark'', a 1992 book by

Joseph Brodsky Iosif Aleksandrovich Brodsky (; russian: link=no, Иосиф Александрович Бродский ; 24 May 1940 – 28 January 1996) was a Russian and American poet and essayist. Born in Leningrad (now Saint Petersburg), USSR in 1940, ...

Technology

Films

Music

Organizations

Other uses

See also