Objectively Evaluating High-Dynamic-Range and Wide-Color-Gamut Color Accuracy

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Publisher: SMPTE — White Plains, NY, USA
Doc Type: Conference Paper
Content Type: Original Research
Volume: 2016, No. 10, pp. 1–13
Abstract: Color accuracy plays a vital role in the motion picture and television industry where it is analyzed all the way from lighting during production, through compression, to television sets in the home. The most common pixel-based metric used for evaluating color quality is ΔE2000. This metric was designed using standard-dynamic-range signals and is based upon the perceptually non-uniform L*a*b* color space. It has not yet been well tested or optimized for high-dynamic-range and wide-color-gamut signals. In this paper, we will present an extension to existing color difference data sets that includes data from high-dynamic-range and wide-color-gamut displays. From these results, we propose an alternative color differencing metric, ΔICTCP, which improves the performance and efficiency of objectively evaluating color accuracy.
Publication Date: 2016-10-25
DOI: 10.5594/M001711
ISBN: Print: 978-1-61482-957-7
Link: https://doi.org/10.5594/M001711
Author(s): Jaclyn PytlarzApplied Vision Science Group, Dolby Laboratories Inc.
Elizabeth PieriApplied Vision Science Group, Dolby Laboratories Inc.
Robin AtkinsApplied Vision Science Group, Dolby Laboratories Inc.
Keyword(s): Color Difference Metric, HDR, Wide Color Gamut, ΔE2000, ICTCP
Copyright: © 2016 Society of Motion Picture and Television Engineers, Inc.

Bibliographic Reference(s)

ISO/CIE 11664-6 [Active]
M.G. M. Stokkermans and I. Heynderickx, “Temporal dark adaptation to spatially complex backgrounds: effect of an additional light source,” JOSA A V31 #7, pp. 1485-1494 2014. EXTERNAL
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Pytlarz, J. A., 2016. “Versatile Color Space for High Dynamic Range and Wide Gamut Signal”, National Association of Broadcasters Show 2016 Conference Proceedings. EXTERNAL
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A. Luthra, E. Francois, and W. Husak, “Call for Evidence (CfE) for HDR and WCG Video Coding,” ISO/IEC JTC1/SC29/WG11 MPEG2014/N15083: Geneva, Switzerland, Feb. 2015. EXTERNAL
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ITU-R BT.2100-2 [Active]
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Jaclyn Pytlarz, Elizabeth Pieri, and Robin Atkins; Objectively Evaluating High-Dynamic-Range and Wide-Color-Gamut Color Accuracy, SMPTE Meetings and Conferences ( October 2016); SMPTE, 2016, ISBN: 978-1-61482-957-7. Available at https://doi.org/10.5594/M001711

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Jaclyn Pytlarz, Elizabeth Pieri, and Robin Atkins; Objectively Evaluating High-Dynamic-Range and Wide-Color-Gamut Color Accuracy, SMPTE Meetings and Conferences ( October 2016); SMPTE, 2016, ISBN: 978-1-61482-957-7. Available at https://doi.org/10.5594/M001711

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<span class="citation">Jaclyn Pytlarz, Elizabeth Pieri, and Robin Atkins; <cite>Objectively Evaluating High-Dynamic-Range and Wide-Color-Gamut Color Accuracy</cite>, SMPTE Meetings and Conferences ( October 2016); SMPTE, 2016, ISBN: 978-1-61482-957-7. Available at <a href="https://doi.org/10.5594/M001711" target="_blank" rel="noopener">https://doi.org/10.5594/M001711</a></span>

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Jaclyn Pytlarz, Elizabeth Pieri, and Robin Atkins; <cite id="bib-10-5594-m001711">Objectively Evaluating High-Dynamic-Range and Wide-Color-Gamut Color Accuracy</cite>, SMPTE Meetings and Conferences ( October 2016); SMPTE, 2016, ISBN: 978-1-61482-957-7
<span class="doi">10.5594/M001711</span>
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