Characterization of Processing Artifacts in High Dynamic Range, Wide Color Gamut Video

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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: 127, No. 3, pp. 1–7
Abstract: With higher resolution, wider color gamut, and extended dynamic range, the new ultrahigh-definition (UHD) TV standards promise a more immersive television experience. Although very little content exploiting the full range of the technology is currently available, artifacts associated with the compression of high dynamic range content have already been identified and reported by engineers working in this area. They note that the chroma subsampling process has been shown to cause disturbing artifacts for regions of the image possessing a certain color and luminance. This paper quantifies the distortion and identifies regions of the extended color volume where artifacts associated with standard image processing techniques are more likely to occur. In doing so, it argues that these problems will become greater as more content exploiting the full potential of UHD becomes available, requiring additional care and processing in content production and delivery. This paper suggests ways of addressing these issues.
Publication Date: 2018-04-01
DOI: 10.5594/JMI.2018.2792761
ISSN: Print: 1545-0279 | Electronic: 2160-2492
Link: https://doi.org/10.5594/JMI.2018.2792761
Author(s): Olie Baumann
Alex Okell
Jacob Ström
Keyword(s): HDR, Ultrahigh-definition TV, Video Artifacts, Wide Color Gamut
Copyright: © 2018 SMPTE

Bibliographic Reference(s)

ISBN.9781558607927 — Charles Poynton, “Digital Video and HDTV”, Morgan Kaufmann Publishers, 2003 EXTERNAL
J. Ström and P. Wennersten, “Chroma Adjustment for HDR Video,” IEEE Int. Conf. Image Process, 2017. EXTERNAL
J. Ström, J. Samuelsson, and K. Dovstam, “Luma Adjustment for High Dynamic Range Video,” Proc. IEEE Data Compression Conf., Snowbird, 2016. EXTERNAL
J. Ström, “Not Public: Investigation of HDR Color Subsampling, m35841,” 111th MPEG Meeting, Geneva, Switzerland, 2015. EXTERNAL
E. Francois, “Not Public: MPEG HDR AhG: About Using a BT.2020 Container for BT.709 Content,” 110th MPEG Meeting, Strasbourg, France, 2014. EXTERNAL
P. Lopez et al., “Not Public: Generation of Anchors for the Explorations for HDR/WCG Content Distribution and Storage, m34077,” 109th MPEG Meeting, Sapporo, Japan, 2014. EXTERNAL
C. Rosewarne and V. Kolesnikov, “AHG13: Further Results for Luma Sample Adjustment,” JCT-VC, JCTVC-Y0034, Chengdu, China, 2016. EXTERNAL
A. Norkin, “Fast Algorithm for HDR Video Pre-Processing,” Proc. IEEE Picture Coding Symp., Nuremberg, Germany, 2016. EXTERNAL
T. Mansencal et al., Colour 0.3.9, Zenodo, 2017. EXTERNAL
J. Ström, “AhG-13 Related: Multi-LUT Luma Adjustment Implementation,” JCT-VC, JCTVC-Y0030, Chengdu, China, 2016. EXTERNAL
J. Ström et al., “High Quality HDR Video Compression Using HEVC Main 10 Profile,” Proc. IEEE Picture Coding Symp., Nuremberg, Germany, 2016. EXTERNAL
Digital Video Broadcasting (DVB) Document A157, “Specification for the Use of Video and Audio Coding in Broadcasting Applications Based on the MPEG-2 Transport Stream,” 2016. EXTERNAL
ISO/IEC TR 23008-14, “Conversion and Coding Practices for HDR/WCG Y′CbCr 4:2:0 Video with PQ Transfer Characteristics.” EXTERNAL
ATSC, “ATSC Proposed Standard: Video – HEVC (A/341),” 2017. 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 2084 [Active, Stabilized]

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Olie Baumann, Alex Okell, and Jacob Ström; Characterization of Processing Artifacts in High Dynamic Range, Wide Color Gamut Video, SMPTE Motion Imaging Journal ( Volume: 127, Issue: 3, April 2018); SMPTE, 2018. Available at https://doi.org/10.5594/JMI.2018.2792761

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Olie Baumann, Alex Okell, and Jacob Ström; Characterization of Processing Artifacts in High Dynamic Range, Wide Color Gamut Video, SMPTE Motion Imaging Journal ( Volume: 127, Issue: 3, April 2018); SMPTE, 2018. Available at https://doi.org/10.5594/JMI.2018.2792761

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<span class="citation">Olie Baumann, Alex Okell, and Jacob Ström; <cite>Characterization of Processing Artifacts in High Dynamic Range, Wide Color Gamut Video</cite>, SMPTE Motion Imaging Journal ( Volume: 127, Issue: 3, April 2018); SMPTE, 2018. Available at <a href="https://doi.org/10.5594/JMI.2018.2792761" target="_blank" rel="noopener">https://doi.org/10.5594/JMI.2018.2792761</a></span>

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Olie Baumann, Alex Okell, and Jacob Ström; Characterization of Processing Artifacts in High Dynamic Range, Wide Color Gamut Video, SMPTE Motion Imaging Journal ( Volume: 127, Issue: 3, April 2018); SMPTE, 2018
doi: 10.5594/JMI.2018.2792761
url: https://doi.org/10.5594/JMI.2018.2792761

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<li>
Olie Baumann, Alex Okell, and Jacob Ström; <cite id="bib-10-5594-jmi-2018-2792761">Characterization of Processing Artifacts in High Dynamic Range, Wide Color Gamut Video</cite>, SMPTE Motion Imaging Journal ( Volume: 127, Issue: 3, April 2018); SMPTE, 2018
<span class="doi">10.5594/JMI.2018.2792761</span>
</li>