Blur may refer to:

Optics and images

Bokeh In photography, bokeh ( or ; ) is the aesthetic quality of the blur produced in out-of-focus parts of an image. Bokeh has also been defined as "the way the lens renders out-of-focus points of light". Differences in lens aberrations and ...

, the aesthetic quality of the out-of-focus parts of an image *

Box blur A box blur (also known as a box linear filter) is a spatial domain linear filter in which each pixel in the resulting image has a value equal to the average value of its neighboring pixels in the input image. It is a form of low-pass ("blurring") f ...

, a graphic-art effect *

Defocus aberration In optics, defocus is the aberration in which an image is simply out of focus. This aberration is familiar to anyone who has used a camera, videocamera, microscope, telescope, or binoculars. Optically, defocus refers to a translation of the ...

, blurring of an image due to incorrect focus *

Gaussian blur In image processing, a Gaussian blur (also known as Gaussian smoothing) is the result of blurring an image by a Gaussian function (named after mathematician and scientist Carl Friedrich Gauss). It is a widely used effect in graphics software, ...

, a graphic-art effect *

Motion blur Motion blur is the apparent streaking of moving objects in a photograph or a sequence of frames, such as a film or animation. It results when the image being recorded changes during the recording of a single exposure, due to rapid movement or lo ...

, blurring of an image due to movement of the subject or imaging system

Arts, entertainment, and media

Fictional characters

Red Blue Blur Clark Kent is a fictional character and the main protagonist on The WB/The CW, CW television series ''Smallville''. The character of Clark Kent, first created for comic books by Jerry Siegel and Joe Shuster in 1938 as the civilian persona of D ...

, or The Blur, an alternate identity for Clark Kent in ''Smallville'' *

The Atlanta Blur Whizzer is the name of several fictional characters appearing in American comic books published by Marvel Comics. The first character debuted during the Golden Age in '' USA Comics'' #1 (Aug. 1941), and was reintroduced in ''Giant-Size Avengers'' ...

or The Blur, a character in the Marvel MAX comic Supreme Power

Films

* ''Blurred'' (film), a 2002 Australian film * ''Blurs'' (film), a 2011 Croatian film * ''Blurr'' (film), a 2022 Indian horror thriller film by Ajay Bahl

Music

Blur (band) Blur are an English rock band formed in London in 1988. The band consists of singer Damon Albarn, guitarist Graham Coxon, bassist Alex James and drummer Dave Rowntree. Their debut album, ''Leisure'' (1991), incorporated the sounds of Madch ...

, an English rock band ** ''Blur'' (Blur album), a 1997 album by the band ** '' Blur: The Best Of'', a 2000 album by the band * ''Blur'' (Rachael Lampa album), a 2002 album by Rachael Lampa * "Blur", song by Britney Spears from the album ''

Circus A circus is a company of performers who put on diverse entertainment shows that may include clowns, acrobats, trained animals, trapeze acts, musicians, dancers, hoopers, tightrope walkers, jugglers, magicians, ventriloquists, and unicyclis ...

'' * "Blur", song by

Johnny Orlando John Vincent Orlando (born January 24, 2003) is a Canadian singer-songwriter, vlogger, and actor. Orlando first received attention on social media by posting covers of pop songs by artists such as Austin Mahone, Taylor Swift, Rihanna, Justin Bie ...

* "Blur", song by MØ from the album ''

Forever Neverland ''Forever Neverland'' is the second studio album by Danish singer and songwriter MØ. It was released on 19 October 2018 by Columbia Records. It is her first full-length release since her debut studio album ''No Mythologies to Follow'' (2014), an ...

'' * "Blur", song by Wretch 32, featured on the soundtrack of '' FIFA 13'' * "Blur", song by

We Came As Romans We Came as Romans (sometimes abbreviated as WCAR) is an American metalcore band from Troy, Michigan. Formed in 2005, the band has gone through one name change and multiple line-up changes, and signed to SharpTone Records in 2016 after having b ...

, from their self-titled album

Other uses in arts, entertainment, and media

* ''Blur'' (video game), a 2010 arcade racing game * ''Blur: How to Know What's True in the Age of Information Overload'', a book by journalists

Tom Rosenstiel Tom Rosenstiel is an American author, journalist, press critic, researcher and academic. He is the Eleanor Merrill Visiting Professor on the Future of Journalism at the Philip Merrill College of Journalism at the University of Maryland. He was fo ...

and

Bill Kovach Bill Kovach ( sq, Bill Kovaçi, born 1932) is an American journalist, former Washington bureau chief of '' The New York Times'', former editor of the ''Atlanta Journal-Constitution'', and co-author of the book ''The Elements of Journalism: What N ...

* The Blur, a member of

DP 7 ''D.P. 7'' was a comic book series published by Marvel Comics as part of its New Universe imprint. It ran for 32 issues and an ''Annual'' (January 1987), which were published from 1986 to 1989. The title stands for Displaced Paranormals and ref ...

, part of Marvel Comics' New Universe line

Other uses

* Blur, in computing, a loss of

focus Focus, or its plural form foci may refer to: Arts * Focus or Focus Festival, former name of the Adelaide Fringe arts festival in South Australia Film *''Focus'', a 1962 TV film starring James Whitmore * ''Focus'' (2001 film), a 2001 film based ...

* Blurring, a form of

trademark dilution Trademark dilution is a trademark law concept giving the owner of a famous trademark standing to forbid others from using that mark in a way that would lessen its uniqueness. In most cases, trademark dilution involves an unauthorized use of anoth ...

Blur Group Maistro (formerly Blur Group) is a UK-based company which provides an online platform for organisations to buy and manage services within tail spend. Services Maistro is a UK-based technology company that provides a hybrid of platform and pro ...

, an online marketplace provider *

Blur Studio Blur Studio is an American-based production company which specialises in CGI visual effects, CGI animation and CGI design. Located in Culver City, California, the studio has produced CGI-animated films, teasers and ad spots for television, as wel ...

, a graphics and video effects company