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SMPTE Meetings and Conferences ( October 2023)
[ACTIVE]

HDR Production Workflows: A Dynamic Solution That Provides Stable Graphics Management And Compatibility With Static Solutions

Metadata

Publisher
SMPTE — White Plains, NY, USA
Doc Type
Conference Paper
Content Type
Original Research
Volume
2023, No. 10, pp. 21–24
Abstract
Live production workflows, particularly those for sports, employ complex pipelines to deliver HD, UHD, SDR, and HDR video streams. Because content originates as HDR or SDR, effective and flexible conversions are required between formats. Graphics insertion is extensively used, presenting scores and analytics. These graphics must remain stable to provide a consistent appearance throughout the conversions. Today, diverse tone mapping and inverse tone mapping technologies are proposed to industry, each with the promise to create premium HDR content while maintaining the quality of SDR versions. Look Up Tables (LUTs) are the chief conversion technique used today, but constrain the capabilities of HDR and/or compromise the SDR look. Further, their static nature exposes content to artifacts emerging from changing conditions during live capture (e.g., sunset, passing clouds, shadows). While dynamic techniques accommodate such changes, a problem emerging is that none of the different LUT solutions nor dynamic solutions are fully interoperable: Each produces content with different properties, requiring different conversions to satisfy the critical requirement of delivering a seamless final content. This paper presents a generic solution, based on metadata, that resolves the compatibility issue. We present an implementation, a dynamic solution, implementing this proposal and providing tools based on dynamic metadata generation that ensures viewers enjoy the highest HDR video quality with no compromise of the SDR stream. By leveraging an image-based adaptation having already-acknowledged benefits of dynamic conversion, this solution introduces a constraint to allow stable graphics management: a specific Static Diffuse White, which ensures compatibility with existing static workflows while offering resolution to their shortcomings and paves the way for industry to transition smoothly from static to dynamic techniques and ensure delivery of premium HDR and SDR content.
Publication Date
2023-10-16
DOI
10.5594/M002016
ISBN
Print: 978-1-61482-964-5
Link
https://doi.org/10.5594/M002016
Author(s)
David TouzeInterDigital R&D France
Frederic PlissonneauInterDigital R&D France
Patrick MorvanInterDigital R&D France
Bill RedmannInterDigital Communications Inc., USA
Robin Le NaourInterDigital R&D France
Laurent CauvinInterDigital R&D France
Valérie AlliéInterDigital R&D France
Keyword(s)
HDR, SDR, Tone Mapping, Inverse Tone Mapping, Tone Expansion, Tone Compression, TM, ITM, Graphics Management, HDR Live Production, Diffuse White, 3D LUT
Copyright
© 2023 Society of Motion Picture and Television Engineers, Inc.

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David Touze, Frederic Plissonneau, Patrick Morvan, Bill Redmann, Robin Le Naour, Laurent Cauvin, and Valérie Allié; HDR Production Workflows: A Dynamic Solution That Provides Stable Graphics Management And Compatibility With Static Solutions, SMPTE Meetings and Conferences ( October 2023); SMPTE, 2023, ISBN: 978-1-61482-964-5. Available at https://doi.org/10.5594/M002016
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David Touze, Frederic Plissonneau, Patrick Morvan, Bill Redmann, Robin Le Naour, Laurent Cauvin, and Valérie Allié; HDR Production Workflows: A Dynamic Solution That Provides Stable Graphics Management And Compatibility With Static Solutions, SMPTE Meetings and Conferences ( October 2023); SMPTE, 2023, ISBN: 978-1-61482-964-5. Available at https://doi.org/10.5594/M002016

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David Touze, Frederic Plissonneau, Patrick Morvan, Bill Redmann, Robin Le Naour, Laurent Cauvin, and Valérie Allié; HDR Production Workflows: A Dynamic Solution That Provides Stable Graphics Management And Compatibility With Static Solutions, SMPTE Meetings and Conferences ( October 2023); SMPTE, 2023, ISBN: 978-1-61482-964-5. Available at https://doi.org/10.5594/M002016
Snippet:
<span class="citation">David Touze, Frederic Plissonneau, Patrick Morvan, Bill Redmann, Robin Le Naour, Laurent Cauvin, and Valérie Allié; <cite>HDR Production Workflows: A Dynamic Solution That Provides Stable Graphics Management And Compatibility With Static Solutions</cite>, SMPTE Meetings and Conferences ( October 2023); SMPTE, 2023, ISBN: 978-1-61482-964-5. Available at <a href="https://doi.org/10.5594/M002016" target="_blank" rel="noopener">https://doi.org/10.5594/M002016</a></span>

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Preview:
David Touze, Frederic Plissonneau, Patrick Morvan, Bill Redmann, Robin Le Naour, Laurent Cauvin, and Valérie Allié; HDR Production Workflows: A Dynamic Solution That Provides Stable Graphics Management And Compatibility With Static Solutions, SMPTE Meetings and Conferences ( October 2023); SMPTE, 2023, ISBN: 978-1-61482-964-5
doi: 10.5594/M002016
url: https://doi.org/10.5594/M002016
Snippet:
<li>
David Touze, Frederic Plissonneau, Patrick Morvan, Bill Redmann, Robin Le Naour, Laurent Cauvin, and Valérie Allié; <cite id="bib-10-5594-m002016">HDR Production Workflows: A Dynamic Solution That Provides Stable Graphics Management And Compatibility With Static Solutions</cite>, SMPTE Meetings and Conferences ( October 2023); SMPTE, 2023, ISBN: 978-1-61482-964-5
<span class="doi">10.5594/M002016</span>
</li>