Wire removal is a
visual effects
Visual effects (sometimes abbreviated VFX) is the process by which imagery is created or manipulated outside the context of
a live-action shot in filmmaking and video production.
The integration of live-action footage and other live-action foota ...
technique used to remove wires in
film
A film also called a movie, motion picture, moving picture, picture, photoplay or (slang) flick is a work of visual art that simulates experiences and otherwise communicates ideas, stories, perceptions, feelings, beauty, or atmospher ...
s, where the wires are originally included as a safety precaution or to simulate flying in
actor
An actor or actress is a person who portrays a character in a performance. The actor performs "in the flesh" in the traditional medium of the theatre or in modern media such as film, radio, and television. The analogous Greek term is (), lit ...
s or
miniatures. It uses a lot of rotoscoping, motion tracking, and painting over footage.
Wire removal can be partly automated through various forms of
keying, or each
frame can be edited manually. First, the live action plates of actors or models suspended on wires are filmed in front of a
green screen
Chroma key compositing, or chroma keying, is a visual-effects and post-production technique for compositing (layering) two images or video streams together based on colour hues ( chroma range). The technique has been used in many fields to ...
. Editors can then erase the wires frame by frame, without worrying about erasing the backdrop, which will be added later. This can be accomplished automatically with a computer. If the sequence is not filmed in front of a green-screen, or with a green wire a digital editor must hand-paint the lines out. This can be an arduous and time consuming task.
The modern technique of wire removal was pioneered by
Industrial Light and Magic
Industrial Light & Magic (ILM) is an American motion picture visual effects company that was founded on May 26, 1975 by George Lucas. It is a division of the film production company Lucasfilm, which Lucas founded, and was created when he began pro ...
, when they used it in films such as ''
Howard the Duck
Howard the Duck is a fictional Character (arts), character appearing in American comic books published by Marvel Comics. The character was created by writer Steve Gerber and artist Val Mayerik. Howard the Duck first appeared in ''Adventure into F ...
'' (
1986
The year 1986 was designated as the International Year of Peace by the United Nations.
Events January
* January 1
** Aruba gains increased autonomy from the Netherlands by separating from the Netherlands Antilles.
**Spain and Portugal en ...
), ''
Back to the Future Part II
''Back to the Future Part II'' is a 1989 American science fiction film directed by Robert Zemeckis from a screenplay by Bob Gale and a story by both. It is the sequel to the 1985 film '' Back to the Future'' and the second installment in the ...
'' (
1989
File:1989 Events Collage.png, From left, clockwise: The Cypress Street Viaduct, Cypress structure collapses as a result of the 1989 Loma Prieta earthquake, killing motorists below; The proposal document for the World Wide Web is submitted; The Exxo ...
), and ''
Hook
A hook is a tool consisting of a length of material, typically metal, that contains a portion that is curved or indented, such that it can be used to grab onto, connect, or otherwise attach itself onto another object. In a number of uses, one e ...
'' (
1991
File:1991 Events Collage.png, From left, clockwise: Boris Yeltsin, elected as Russia's first president, waves the new flag of Russia after the 1991 Soviet coup d'état attempt, orchestrated by Soviet hardliners; Mount Pinatubo erupts in the Phi ...
).
Visual effects
{{Filming-stub
You can get more about wire removal on this website https://www.fxguide.com/fxpodcasts/the_art_of_wire_removal/