Luminance-Preserving Color Conversion

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Publisher: SMPTE — White Plains, NY, USA
Doc Type: Journal Article
Content Type: Original Research
Abbreviated Title: SMPTE Mot. Imag. J
Volume: 126, No. 3, pp. 45–49
Abstract: With the advent of new television standards introducing ultrahigh definition and high dynamic range, backward compatibility with older devices becomes an issue. We propose a method for converting footage produced in BT.2100 colorimetry to a BT.709 compliant representation. The process preserves each pixel’s luminance and is fully reversible. Technically, our approach determines the exact polygonal shape of the effective BT.2100 and BT.709 gamuts at a given luminance and maps colors from one to the other by desaturating them.
Publication Date: 2017-04-01
DOI: 10.5594/JMI.2017.2660698
ISSN: Print: 1545-0279 | Electronic: 2160-2492
Link: https://doi.org/10.5594/JMI.2017.2660698
Author(s): Florian Schweiger
Tim Borer
Manish Pindoria
Keyword(s): ITU-R BT.2100, BT.2020, ITU-R BT.709, Color Space Conversion, HDR, Ultrahigh-definition TV
Copyright: © 2017 SMPTE

Bibliographic Reference(s)

V. G. Devereux, “Limiting of YUV digital video signals,” BBC R&D White Paper, 1987. EXTERNAL
Dolby Laboratories, “What Is ICTCP?” White Paper, Sep. 2016, https://www.dolby.com/us/en/technologies/dolby-vision/ictcp-white-paper.pdf EXTERNAL
C. Poynton, Digital video and HD: Algorithms and Interfaces, Morgan Kaufman: Waltham, MA, USA, 2012. EXTERNAL
ITU-R BT.601.7 [Active]
ITU-R BT.709.6 [Active]
ITU-R BT.2020-2 [Active]
R-REC-BT.2087 — ITU-R Recommendation BT.2087, “Colour conversion from Recommendation ITU-R BT.709 to Recommendation ITU-R BT.2020,” International Telecommunications Union, Geneva, Switzerland, Oct. 2015. 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

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Florian Schweiger, Tim Borer, and Manish Pindoria; Luminance-Preserving Color Conversion, SMPTE Motion Imaging Journal ( Volume: 126, Issue: 3, April 2017); SMPTE, 2017. Available at https://doi.org/10.5594/JMI.2017.2660698

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Florian Schweiger, Tim Borer, and Manish Pindoria; Luminance-Preserving Color Conversion, SMPTE Motion Imaging Journal ( Volume: 126, Issue: 3, April 2017); SMPTE, 2017. Available at https://doi.org/10.5594/JMI.2017.2660698

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<span class="citation">Florian Schweiger, Tim Borer, and Manish Pindoria; <cite>Luminance-Preserving Color Conversion</cite>, SMPTE Motion Imaging Journal ( Volume: 126, Issue: 3, April 2017); SMPTE, 2017. Available at <a href="https://doi.org/10.5594/JMI.2017.2660698" target="_blank" rel="noopener">https://doi.org/10.5594/JMI.2017.2660698</a></span>

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Florian Schweiger, Tim Borer, and Manish Pindoria; Luminance-Preserving Color Conversion, SMPTE Motion Imaging Journal ( Volume: 126, Issue: 3, April 2017); SMPTE, 2017
doi: 10.5594/JMI.2017.2660698
url: https://doi.org/10.5594/JMI.2017.2660698

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<li>
Florian Schweiger, Tim Borer, and Manish Pindoria; <cite id="bib-10-5594-jmi-2017-2660698">Luminance-Preserving Color Conversion</cite>, SMPTE Motion Imaging Journal ( Volume: 126, Issue: 3, April 2017); SMPTE, 2017
<span class="doi">10.5594/JMI.2017.2660698</span>
</li>