Core Color Rendering Algorithms For High Dynamic Range Display

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Publisher: SMPTE — White Plains, NY, USA
Doc Type: Conference Paper
Content Type: Original Research
Volume: 2017, No. 10, pp. 1–27
Abstract: As is well-known, colors as they exist in the real world must be adjusted so as to look correct and pleasing when displayed on a television or cinema screen. In color science, the process of converting these “scene-referred” colors to “display-referred” colors is termed “rendering.” The Academy's ACES system is a good example of a set of open-source picture rendering algorithms. In this paper the authors, who both participated in the development of ACES, discuss the pros and cons of various rendering techniques and share the results of their latest work. Specifically we present a method of applying a tone curve that preserves color ratios and has better noise properties than earlier techniques. This algorithm has been successfully used as part of a larger parametric rendering system for HDR display. One of the nice properties of this algorithm is that it has a simple and robust inverse.
Publication Date: 2017-10-23
DOI: 10.5594/M001808
ISBN: Print: 978-1-61482-959-1
Link: https://doi.org/10.5594/M001808
Author(s): Gary DemosImage Essence LLC
Doug WalkerAutodesk Media & Entertainment
Keyword(s): ACES, OOTF, Color Rendering, Tone Curve, End-to-End Gamma
Copyright: © 2017 Society of Motion Picture and Television Engineers, Inc.

Bibliographic Reference(s)

High Dynamic Range Intermediate [Active]
A Quality Metric For High Dynamic Range [Active]
Academy TB-2014-002, "Academy Color Encoding System Version 1.0 User Experience Guidelines." EXTERNAL
International Telecommunications Union – Radiocommunication (ITU-R), Report BT.2390-0, “High dynamic range television for production and international programme exchange,” 2016. EXTERNAL
G. Demos, "Single Master HDR Architecture," presented at the HPA Technical Conference, February 2017. EXTERNAL
Academy TB-2014-010, "Design, Integration and Use of ACES Look Modification Transforms." EXTERNAL
E. Giorgianni, T. Madden, Digital Color Management: encoding solutions, 2nd ed., Wiley-IS&T: Chichester, UK, 2008. EXTERNAL
S. Cooper, T. Mansencal, K. Wheatley, "ACES Retrospective and Enhancements," doi: 10.5281/zenodo.345624. EXTERNAL
"Reference Input/Output Medium Metric RGB Color Encodings (RIMM/ROMM RGB)," K. Spaulding, G. Woolfe, E. Giorgianni, IS&T's 2000 PICS Conference, http://www.imaging.org/site/PDFS/Papers/2000/PICS-0-81/1637.pdf. EXTERNAL
"Academy Color Encoding System Developer Resources," https://github.com/ampas/aces-dev. EXTERNAL
Eastman Kodak publication H-61B, "LAD for KODAK VISION Color Print Film," http://www.kodak.com/US/en/motion/Support/Technical_Information/Lab_Tools_And_Techniques/Laboratory_Aim_Density_LAD/default.htm. EXTERNAL
Academy S-2014-004, "ACEScg – A Working Space for CGI Render and Compositing." EXTERNAL
Academy TB-2014-013, "Alternate ACES Viewing Pipeline User Experience." EXTERNAL
R.W.G. Hunt, "Light and dark adaptation and perception of color," J Opt Soc Am 42:190–199, 1952. EXTERNAL
Mark D. Fairchild, Color Appearance Models, 3rd ed., Wiley-IS&T: Chichester, UK, 2013. EXTERNAL
R-REC-BT.2100-0 — Recommendation ITU-R BT.2100-0 (07/2016), Image Parameter Values for High Dynamic Range Television for Use in Production and International Programme Exchange, 2016 EXTERNAL
SMPTE ST 2065-1:2012 [Superseded]

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Gary Demos and Doug Walker; Core Color Rendering Algorithms For High Dynamic Range Display, SMPTE Meetings and Conferences ( October 2017); SMPTE, 2017, ISBN: 978-1-61482-959-1. Available at https://doi.org/10.5594/M001808

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Gary Demos and Doug Walker; Core Color Rendering Algorithms For High Dynamic Range Display, SMPTE Meetings and Conferences ( October 2017); SMPTE, 2017, ISBN: 978-1-61482-959-1. Available at https://doi.org/10.5594/M001808

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<span class="citation">Gary Demos and Doug Walker; <cite>Core Color Rendering Algorithms For High Dynamic Range Display</cite>, SMPTE Meetings and Conferences ( October 2017); SMPTE, 2017, ISBN: 978-1-61482-959-1. Available at <a href="https://doi.org/10.5594/M001808" target="_blank" rel="noopener">https://doi.org/10.5594/M001808</a></span>

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Gary Demos and Doug Walker; <cite id="bib-10-5594-m001808">Core Color Rendering Algorithms For High Dynamic Range Display</cite>, SMPTE Meetings and Conferences ( October 2017); SMPTE, 2017, ISBN: 978-1-61482-959-1
<span class="doi">10.5594/M001808</span>
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