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SMPTE Meetings and Conferences ( October 2016)
[ACTIVE]

A Cinematographic Spectral Similarity Index

Metadata

Publisher
SMPTE — White Plains, NY, USA
Doc Type
Conference Paper
Content Type
Original Research
Volume
2016, No. 10, pp. 1–36
Abstract
As solid state lighting (SSL) sources have gradually replaced tungsten sources, new challenges in color rendition have emerged. CRI is often quoted for sources but is limited to a human observer, without purporting to predict potential color differences for cameras. A new color index is proposed that is based upon the similarity of a luminaire's spectrum to a reference spectrum that eliminates the need for any assumption of a specific observer or camera spectral sensitivity. The index yields a “confidence factor,” where a high score implies predictable color rendition for cinematography, and a moderate score implies possible color rendition challenges.
Publication Date
2016-10-25
DOI
10.5594/M001680
ISBN
Print: 978-1-61482-957-7
Link
https://doi.org/10.5594/M001680
Author(s)
Jack HolmAcademy of Motion Picture Arts and Sciences Science and Technology Council Solid State Lighting Project Committee
Tom MaierAcademy of Motion Picture Arts and Sciences Science and Technology Council Solid State Lighting Project Committee
Paul DebevecAcademy of Motion Picture Arts and Sciences Science and Technology Council Solid State Lighting Project Committee
Chloe LeGendreAcademy of Motion Picture Arts and Sciences Science and Technology Council Solid State Lighting Project Committee
Joshua PinesAcademy of Motion Picture Arts and Sciences Science and Technology Council Solid State Lighting Project Committee
Jonathan ErlandAcademy of Motion Picture Arts and Sciences Science and Technology Council Solid State Lighting Project Committee
George JobloveAcademy of Motion Picture Arts and Sciences Science and Technology Council Solid State Lighting Project Committee
Scott DyerAcademy of Motion Picture Arts and Sciences Science and Technology Council Solid State Lighting Project Committee
Blake SloanAcademy of Motion Picture Arts and Sciences Science and Technology Council Solid State Lighting Project Committee
Joe di GennaroAcademy of Motion Picture Arts and Sciences Science and Technology Council Solid State Lighting Project Committee
Dan SherlockAcademy of Motion Picture Arts and Sciences Science and Technology Council Solid State Lighting Project Committee
Keyword(s)
SSL, LED, Color Rendering Index (CRI), CCT, TLCI, SSI, Cinematography, Spectral, Similarity, AMPAS, Sci-Tech
Copyright
© 2016 Society of Motion Picture and Television Engineers, Inc.

Bibliographic Reference(s)

  • Effects of Incorrect Color Temperature on Motion Picture Production [Active]
  • Is There a Standard Observer in the House? [Active]
  • ANSI.E1.41.2012 — ANSI E1.41 - 2012, “Recommendations for Measuring and Reporting Photometric Performance Data for Entertainment Luminaires Utilizing Solid State Light Sources,” PLASA, Eastbourne, UK, February 16, 2012. EXTERNAL
  • CIE.204.2013 — CIE 204:2013, “Methods for Re-defining CIE D Illuminants,” Commission Internationale de L'Eclairage, Vienna, Austria, 2013. EXTERNAL
  • EBU.Tech3353 — EBU TECH 3353, “Development of a “Standard” Television Camera Model Implemented in the TLCI-2012,” European Broadcasting Union, Geneva, 2015. EXTERNAL
  • IEC.17 — CIE/IEC 17.4:1987, “International Lighting Vocabulary,” 4th Edition, Commission Internationale de L'Eclairage, Vienna, Austria, 1987. EXTERNAL
  • ISO 7589:2002 [Active]
  • N. Macbeth, D. Nickerson, “Spectral Characteristics of Light Sources,” SMPE Journal, 52:157-183, February 1949. EXTERNAL
  • A.M.P.A.S., “Academy Reports, No. 1 - Incandescent Illumination,” retrieved from http://www.oscars.org/sites/oscars/files/ssl_report.pdf. EXTERNAL
  • J. Erland, “Academy Color Predictor Tool,” presented at the SMPTE Technical Conference, Los Angeles, October 23, 2013. EXTERNAL
  • K. W. Houser, M. Wei, A. David, M. R. Krames, and X. S. Shen, “Review of Measures for Light-Source Color Rendition and Considerations for a Two-Measure System for Characterizing Color Rendition,” Optics Express, 2013, Vol. 21, Issue 8:10393-10411. EXTERNAL
  • M. Shyu, J. Parkkinen, “Fundamentals of Color,” in Fernandez-Maloigne C. (Ed.): Advanced Color Image Processing and Analysis, Springer Verlag, Heidelberg, 2013. EXTERNAL
  • L.J. Sandahl, K.A. Cort, K.L. Gordon, “Solid-State Lighting: Early Lessons Learned on the Way to Market,” US Department of Energy, December 2013. EXTERNAL
  • J. Erland, “Chromatic Chaos: Implications of Newly Introduced Forms of Stagelight,” presented at the National Association of Broadcasters (NAB) Conference, Las Vegas, NV, April 27, 2011. EXTERNAL
  • BBC, “Low Energy Guide for TV Productions – Revision 2”, 2011; retrieved from http://downloads.bbc.co.uk/outreach/BBC_LEL_Guidelines.pdf. EXTERNAL
  • J. Erland, “The State of Solid State Lighting: Color Rendering Index and Metamerism Considerations”, presented at the SMPTE Technical Conference, Los Angeles, October 27, 2009. EXTERNAL
  • ITU-R BT.709.6 [Active]
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Jack Holm, Tom Maier, Paul Debevec, Chloe LeGendre, Joshua Pines, Jonathan Erland, George Joblove, Scott Dyer, Blake Sloan, Joe di Gennaro, and Dan Sherlock; A Cinematographic Spectral Similarity Index, SMPTE Meetings and Conferences ( October 2016); SMPTE, 2016, ISBN: 978-1-61482-957-7. Available at https://doi.org/10.5594/M001680
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Jack Holm, Tom Maier, Paul Debevec, Chloe LeGendre, Joshua Pines, Jonathan Erland, George Joblove, Scott Dyer, Blake Sloan, Joe di Gennaro, and Dan Sherlock; A Cinematographic Spectral Similarity Index, SMPTE Meetings and Conferences ( October 2016); SMPTE, 2016, ISBN: 978-1-61482-957-7. Available at https://doi.org/10.5594/M001680

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Jack Holm, Tom Maier, Paul Debevec, Chloe LeGendre, Joshua Pines, Jonathan Erland, George Joblove, Scott Dyer, Blake Sloan, Joe di Gennaro, and Dan Sherlock; A Cinematographic Spectral Similarity Index, SMPTE Meetings and Conferences ( October 2016); SMPTE, 2016, ISBN: 978-1-61482-957-7. Available at https://doi.org/10.5594/M001680
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<span class="citation">Jack Holm, Tom Maier, Paul Debevec, Chloe LeGendre, Joshua Pines, Jonathan Erland, George Joblove, Scott Dyer, Blake Sloan, Joe di Gennaro, and Dan Sherlock; <cite>A Cinematographic Spectral Similarity Index</cite>, SMPTE Meetings and Conferences ( October 2016); SMPTE, 2016, ISBN: 978-1-61482-957-7. Available at <a href="https://doi.org/10.5594/M001680" target="_blank" rel="noopener">https://doi.org/10.5594/M001680</a></span>

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Preview:
Jack Holm, Tom Maier, Paul Debevec, Chloe LeGendre, Joshua Pines, Jonathan Erland, George Joblove, Scott Dyer, Blake Sloan, Joe di Gennaro, and Dan Sherlock; A Cinematographic Spectral Similarity Index, SMPTE Meetings and Conferences ( October 2016); SMPTE, 2016, ISBN: 978-1-61482-957-7
doi: 10.5594/M001680
url: https://doi.org/10.5594/M001680
Snippet:
<li>
Jack Holm, Tom Maier, Paul Debevec, Chloe LeGendre, Joshua Pines, Jonathan Erland, George Joblove, Scott Dyer, Blake Sloan, Joe di Gennaro, and Dan Sherlock; <cite id="bib-10-5594-m001680">A Cinematographic Spectral Similarity Index</cite>, SMPTE Meetings and Conferences ( October 2016); SMPTE, 2016, ISBN: 978-1-61482-957-7
<span class="doi">10.5594/M001680</span>
</li>