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SMPTE Meetings and Conferences ( October 2019)
[ACTIVE]

Uniformity Measurement for French Cinema

Metadata

Publisher
SMPTE — White Plains, NY, USA
Doc Type
Conference Paper
Content Type
Original Research
Volume
2019, No. 10, pp. 1–18
Abstract
French cinema theaters follow strict rules; there are two French standards involved when granting theater operation licenses. One standard is about architectural considerations, the other about movie reproduction parameters. The main goal of these specifications is to ensure that movies are reproduced uniformly in all theaters while matching the intention of the creative team during final check. Another goal is to allow a satisfying perception by the audience, trying to avoid unnecessary physical or audio-visual stress. — These two standards are currently under periodic revision. The specifications listed in the standard about movie reproduction includes a uniformity formula. Counterexamples demonstrate problems with the validity of this uniformity. A new uniformity method of measurement is under study. — The proposed method unifies projection and display systems in the same measurement. The projection vignetting effect is cancelled using current room and screen dimensions. The formula is also independent of the reproduction system's dynamic range. Nine locations on screen are used as points of measurement. — The proposed measurement of uniformity is based on a statistical measurement called the K-S distance. It compares current results with a standard statistical distribution. The type of distribution is chosen based on practical considerations.
Publication Date
2019-10-21
DOI
10.5594/M001871
Link
https://doi.org/10.5594/M001871
Author(s)
Francois HeltEclairColor
Hans-Nikolas LocherCST
Keyword(s)
Projection, Direct-view Display, Uniformity, Throw Ratio, Luminance Spread, Cinema Room Architecture, SDR, Extended Dynamic Range (EDR), HDR
Copyright
© 2019 Society of Motion Picture and Television Engineers, Inc.

Bibliographic Reference(s)

  • Method and Good Estimators for Projection Uniformity Measurement [Active]
  • EBU.Tech3320.2017 — EBU Tech 3320:2017, “User Requirements for Video Monitors in Television Production.” EXTERNAL
  • EBU.Tech3325.2008 — European Broadcasting Union, «EBU Tech 3325: Methods for the Measurement of the performance of Studio Monitors,» Geneva, Septemeber 2008. EXTERNAL
  • F. Helt, «Proposal for Practical Screen Luminance Uniformity Measurement,» chez Annual Technical SMPTE Conference, Los Angeles, 2009. EXTERNAL
  • W. H. Press, S. A. Teukolsky, W. T. Vetterling et B. P. Flannery, «14.3 Are two distributions different,» chez Numerical Recipes in C - second edition, Cambridge Unniversity Press, 1992, pp. 623 - 628. EXTERNAL
  • P. G. J. Barten, Contrast Sensitivity of the Human Eye and its Effects on Image Quality, Bellingham, Washington USA: SPIE, 1999. EXTERNAL
  • F. Poulin et M. Caron, «Display measurement - A simple approach to small-area luminance uniformity testing,» EBU Technical Review, Geneva, 2009. EXTERNAL
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Francois Helt and Hans-Nikolas Locher; Uniformity Measurement for French Cinema, SMPTE Meetings and Conferences ( October 2019); SMPTE, 2019. Available at https://doi.org/10.5594/M001871
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Francois Helt and Hans-Nikolas Locher; Uniformity Measurement for French Cinema, SMPTE Meetings and Conferences ( October 2019); SMPTE, 2019. Available at https://doi.org/10.5594/M001871

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Francois Helt and Hans-Nikolas Locher; Uniformity Measurement for French Cinema, SMPTE Meetings and Conferences ( October 2019); SMPTE, 2019. Available at https://doi.org/10.5594/M001871
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<span class="citation">Francois Helt and Hans-Nikolas Locher; <cite>Uniformity Measurement for French Cinema</cite>, SMPTE Meetings and Conferences ( October 2019); SMPTE, 2019. Available at <a href="https://doi.org/10.5594/M001871" target="_blank" rel="noopener">https://doi.org/10.5594/M001871</a></span>

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Francois Helt and Hans-Nikolas Locher; Uniformity Measurement for French Cinema, SMPTE Meetings and Conferences ( October 2019); SMPTE, 2019
doi: 10.5594/M001871
url: https://doi.org/10.5594/M001871
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Francois Helt and Hans-Nikolas Locher; <cite id="bib-10-5594-m001871">Uniformity Measurement for French Cinema</cite>, SMPTE Meetings and Conferences ( October 2019); SMPTE, 2019
<span class="doi">10.5594/M001871</span>
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