Content-Dependent Metadata for Color Volume Transformation of High Luminance and Wide Color Gamut Images

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Publisher: SMPTE — White Plains, NY, USA
Doc Type: Conference Paper
Content Type: Original Research
Volume: 2015, No. 10, pp. 1–8
Abstract: When displaying High Dynamic Range (HDR) or Wide Color Gamut (WCG) content on displays with smaller color volumes, such as High-Definition TV (HDTV), a color conversion from HDR or WCG to Standard Dynamic Range (SDR) is required. To maintain the creative intent, this color conversion needs to take into account the characteristics of both the content and the target display. As the content characteristics change from scene to scene, the optimal conversion will change as well. For example, a very dark scene will be mapped differently from a very bright scene when converting from a large color volume to a more restricted color volume. The converter(s) can be represented as metadata synced with the frames of the original stream. The metadata can be created in the mastering process, when images are creatively approved, and later applied in media conversions deferred to the distribution stage. This presentation discusses how such metadata can be captured and carried.
Publication Date: 2015-10-26
DOI: 10.5594/M001621
ISBN: Print: 978-1-61482-956-0
Link: https://doi.org/10.5594/M001621
Author(s): Lars BorgAdobe
Raymond YeungDolby Laboratories, Inc.
Keyword(s): HDR, Color Gamut, Wide Color Gamut, Color Transform, Dynamic Metadata
Copyright: © 2015 Society of Motion Picture and Television Engineers, Inc.

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Lars Borg and Raymond Yeung; Content-Dependent Metadata for Color Volume Transformation of High Luminance and Wide Color Gamut Images, SMPTE Meetings and Conferences ( October 2015); SMPTE, 2015, ISBN: 978-1-61482-956-0. Available at https://doi.org/10.5594/M001621

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Lars Borg and Raymond Yeung; Content-Dependent Metadata for Color Volume Transformation of High Luminance and Wide Color Gamut Images, SMPTE Meetings and Conferences ( October 2015); SMPTE, 2015, ISBN: 978-1-61482-956-0. Available at https://doi.org/10.5594/M001621

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<span class="citation">Lars Borg and Raymond Yeung; <cite>Content-Dependent Metadata for Color Volume Transformation of High Luminance and Wide Color Gamut Images</cite>, SMPTE Meetings and Conferences ( October 2015); SMPTE, 2015, ISBN: 978-1-61482-956-0. Available at <a href="https://doi.org/10.5594/M001621" target="_blank" rel="noopener">https://doi.org/10.5594/M001621</a></span>

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<li>
Lars Borg and Raymond Yeung; <cite id="bib-10-5594-m001621">Content-Dependent Metadata for Color Volume Transformation of High Luminance and Wide Color Gamut Images</cite>, SMPTE Meetings and Conferences ( October 2015); SMPTE, 2015, ISBN: 978-1-61482-956-0
<span class="doi">10.5594/M001621</span>
</li>