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SMPTE Journal ( Volume: 88, Issue: 6, June 1979)
[ACTIVE]

An Infrared Traveling Matte System with Electronic Masking

Metadata

Publisher
SMPTE — White Plains, NY, USA
Doc Type
Journal Article
Content Type
Original Research
Abbreviated Title
J SMPTE
Volume
88, No. 6, pp. 410–413
Abstract
A new, single-film infrared traveling matte system for combining background and foreground scenes, based on the mixed utilization of motion-picture and television technology, has been developed at Lenfilm Studios, Leningrad, U.S.S.R. The infrared electronic traveling matte system employs a special-purpose film which combines color emulsion layers with a black-and-white Infrared-sensitive bottom layer. Photography of the live foreground action is carried out with a standard motion-picture camera against an infrared-radiating background. After exposure, the film is developed for a short period of time in a fast-acting surface developer, as a result of which a transparent silhouette of the foreground action is formed in the infrared-sensitive layer against a dark background or, in other words, a negative “female” matte. The image in the other color-forming layers remains in its latent form. Next, the printing of the background is effectuated by means of a narrow, electronically controlled beam of white light which scans line by line the surface of the background positive in contact with the camera film, exposing the background only in those areas not occupied by the pre-exposed foreground action. Afterwards the film is processed in a regular color negative developer, in the course of which the female matte, composed of metallic silver, is disintegrated in the bleaching step together with the metallic silver images in the color layers. Dimensional mismatch between the matte and the components of the final composite image is thus avoided.
Publication Date
1979-06-01
DOI
10.5594/J06659
ISSN
Print: 0036-1682
Link
https://doi.org/10.5594/J06659
Author(s)
Joseph AlexanderLenfilm Studios, 10 Kirovsky Pr., 197101 Leningrad, U.S.S.R.
Copyright
© 1979 Society of Motion Picture and Television Engineers, Inc.

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Joseph Alexander; An Infrared Traveling Matte System with Electronic Masking, SMPTE Journal ( Volume: 88, Issue: 6, June 1979); SMPTE, 1979. Available at https://doi.org/10.5594/J06659
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Joseph Alexander; An Infrared Traveling Matte System with Electronic Masking, SMPTE Journal ( Volume: 88, Issue: 6, June 1979); SMPTE, 1979. Available at https://doi.org/10.5594/J06659

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Joseph Alexander; An Infrared Traveling Matte System with Electronic Masking, SMPTE Journal ( Volume: 88, Issue: 6, June 1979); SMPTE, 1979. Available at https://doi.org/10.5594/J06659
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<span class="citation">Joseph Alexander; <cite>An Infrared Traveling Matte System with Electronic Masking</cite>, SMPTE Journal ( Volume: 88, Issue: 6, June 1979); SMPTE, 1979. Available at <a href="https://doi.org/10.5594/J06659" target="_blank" rel="noopener">https://doi.org/10.5594/J06659</a></span>

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Preview:
Joseph Alexander; An Infrared Traveling Matte System with Electronic Masking, SMPTE Journal ( Volume: 88, Issue: 6, June 1979); SMPTE, 1979
doi: 10.5594/J06659
url: https://doi.org/10.5594/J06659
Snippet:
<li>
Joseph Alexander; <cite id="bib-10-5594-j06659">An Infrared Traveling Matte System with Electronic Masking</cite>, SMPTE Journal ( Volume: 88, Issue: 6, June 1979); SMPTE, 1979
<span class="doi">10.5594/J06659</span>
</li>