Automatic Timing of Color Negatives

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Publisher: SMPTE — White Plains, NY, USA
Doc Type: Journal Article
Content Type: Original Research
Abbreviated Title: J SMPTE
Volume: 65, No. 4, pp. 216–221
Abstract: Timing of color negatives for release printing has proved to be a tedious, time-consuming, and expensive operation in motion-picture laboratories. Based on methods of exposure determination for printing amateur, still, color negatives, a simple and rapid method has been developed for automatic timing of color negatives. The integrated transmissions to red, green and blue light of the color negative are measured on a full-frame densitometer for a large number of scenes having a wide gamut of subject matter. These integrated transmissions are statistically correlated, scene by scene, to the printer lights that produced acceptable color prints from the color negatives. From these correlations the printer lights that will produce color-balanced prints may be predicted within certain limits from the full-frame, integrated, transmission measurements of an unknown negative. While the color balance of the first print produced by this method may not be considered optimum, the print is close enough to optimum that a skilled color timer can produce a color-balanced print on the second or third trial. Results of a trial at Ace Film Laboratories showed the method to be practical.
Publication Date: 1956-04-01
DOI: 10.5594/J07352
ISSN: Print: 0361-4573
Link: https://doi.org/10.5594/J07352
Author(s): John G. StottColor Technology Div., Eastman Kodak Co., Kodak Park Works, Rochester 4, N.Y.
William R. WellerColor Technology Div., Eastman Kodak Co., Kodak Park Works, Rochester 4, N.Y.
J. Edward JacksonColor Technology Div., Eastman Kodak Co., Kodak Park Works, Rochester 4, N.Y.
Copyright: © 1956 Society of Motion Picture and Television Engineers, Inc.

Bibliographic Reference(s)

1. U.S. Pat. 200,083, May 13, 1902 (Poliakoff). EXTERNAL
2. U.S. Pat. 2,571,697, Oct. 16, 1951 (Evans). EXTERNAL
3. Snedecor George W. , Statistical Methods , Iowa State College Press , Ames, Iowa , 1946 , Ch. 6, 7 , 13 . EXTERNAL

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John G. Stott, William R. Weller, and J. Edward Jackson; Automatic Timing of Color Negatives, Journal of the SMPTE ( Volume: 65, Issue: 4, April 1956); SMPTE, 1956. Available at https://doi.org/10.5594/J07352

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John G. Stott, William R. Weller, and J. Edward Jackson; Automatic Timing of Color Negatives, Journal of the SMPTE ( Volume: 65, Issue: 4, April 1956); SMPTE, 1956. Available at https://doi.org/10.5594/J07352

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<span class="citation">John G. Stott, William R. Weller, and J. Edward Jackson; <cite>Automatic Timing of Color Negatives</cite>, Journal of the SMPTE ( Volume: 65, Issue: 4, April 1956); SMPTE, 1956. Available at <a href="https://doi.org/10.5594/J07352" target="_blank" rel="noopener">https://doi.org/10.5594/J07352</a></span>

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John G. Stott, William R. Weller, and J. Edward Jackson; Automatic Timing of Color Negatives, Journal of the SMPTE ( Volume: 65, Issue: 4, April 1956); SMPTE, 1956
doi: 10.5594/J07352
url: https://doi.org/10.5594/J07352

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John G. Stott, William R. Weller, and J. Edward Jackson; <cite id="bib-10-5594-j07352">Automatic Timing of Color Negatives</cite>, Journal of the SMPTE ( Volume: 65, Issue: 4, April 1956); SMPTE, 1956
<span class="doi">10.5594/J07352</span>
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