HDR Production - Tone Mapping Techniques and Round-Trip Conversion Performance for Mastering with SDR and HDR Sources
Metadata
- Publisher
- SMPTE — White Plains, NY, USA
- Doc Type
- Conference Paper
- Content Type
- Original Research
- Volume
- 2022, No. 10, pp. 1–21
- Abstract
- Where content producers had to make drastic choices when allocating the limited contrast and colors in SDR, HDR offers them the possibility to show more - meaning telling stories with greater freedom and flexibility. — However, while future-proof, HDR content presents a challenge of its own: The wide variation in capabilities among HDR displays conflicts with the desire to have any HDR or SDR production play optimally on any display, HDR or SDR, regardless. — The general solution to this issue is tone mapping, either tone compression, which maps from HDR to a lower-luminance HDR or SDR, or tone expansion, which maps from SDR or HDR to a higher-luminance HDR. — Though the trend is to produce the highest quality content in HDR, legacy content is ever-present, and lots of new content is still produced in SDR. Mixing feeds in production requires tone expansion for SDR content to match the HDR. Distribution paths can then require tone compression back to SDR without degradation. In this context, a perfect SDR - HDR - SDR round-trip conversion is required to preserve artistic intent for all content. Further, in a live context, such tools need to be automatic and low latency. — This paper discusses various tone mapping techniques, including static solutions such as look-up tables and dynamic solutions based on metadata. The relative advantages are considered and performance of each is analyzed. Particular attention is paid to the round-trip performance, which is important to content producers mastering both SDR and HDR sources yet wanting to exploit the full range of storytelling capabilities an HDR stream can offer.
- Publication Date
- 2022-10-24
- DOI
10.5594/M001974- ISBN
- Print:
978-1-61482-963-8 - Link
- https://doi.org/10.5594/M001974
- Author(s)
- David TouzeInterDigital, Wilmington, Delaware, USAFrederic PlissonneauInterDigital, Wilmington, Delaware, USABill RedmannInterDigital, Wilmington, Delaware, USARobin Le NaourInterDigital, Wilmington, Delaware, USAPatrick LopezInterDigital, Wilmington, Delaware, USAPatrick MorvanInterDigital, Wilmington, Delaware, USALaurent CauvinInterDigital, Wilmington, Delaware, USANick MitchellInterDigital, Wilmington, Delaware, USAAlan SteinInterDigital, Wilmington, Delaware, USA
- Keyword(s)
- HDR, SDR, Tone Mapping, Inverse Tone Mapping, Tone Expansion, Tone Compression, TM, ITM, Round Trip, HDR Live Production, Diffuse White, 3D LUT
- Copyright
- © 2022 Society of Motion Picture and Television Engineers, Inc.
Bibliographic Reference(s)
- ETSI.TS-103-433-1.2021 — “High-Performance Single Layer High Dynamic Range (HDR) System for Use in Consumer Electronics Devices; Part 1: Directly Standard Dynamic Range (SDR) Compatible HDR System (SL-HDR1),” ETSI TS 103 433-1 V1.4.1, Aug. 23, 2021. Accessed: Oct. 25, 2023. [Online]. Available: https://www.etsi.org/deliver/etsi_ts/103400_103499/10343301/01.04.01_60/ts_10343301v010401p.pdf EXTERNAL
- ETSI.TS-103-433-2.2021 — “High-Performance Single Layer High Dynamic Range (HDR) System for Use in Consumer Electronics Devices; Part 2: Enhancements for Perceptual Quantization (PQ) Transfer Function Based High Dynamic Range (HDR) Systems (SL-HDR2),” ETSI TS 103 433-2 V1.3.1, Aug. 23, 2021. Accessed: Oct. 25, 2023. [Online]. Available: https://www.etsi.org /deliver/etsi _ts/103400_103499/10343302/01.03.01_60/ ts_10343302v010301p.pdf EXTERNAL
- ETSI.TS-103-433-3.2021 — “High-Performance Single Layer High Dynamic Range (HDR) System for Use in Consumer Electronics Devices; Part 3: Enhancements for Hybrid Log Gamma (HLG) Transfer Function Based High Dynamic Range (HDR) Systems (SL-HDR3),” ETSI TS 103 433-3 V1.2.1, Aug. 23, 2021. Accessed: Oct. 25, 2023. [Online]. Available: https://www.etsi.org/deliver/etsi_ts/103400_103499/10343303/01.02.01_60/ts_10343303v010201p.pdf EXTERNAL
- Redmann B., Touze D., Plissonneau F., Stein A., Ducos G., “HDR Challenges and Solutions”, 2022 NAB Broadcast Engineering and Information Technology (BEIT) Conference, April 2022 EXTERNAL
- “ASC StEM2” “The Mission”, https://theasc.com/asc/stem2 EXTERNAL
- Noronha, C., “HDR Format Conversions: Dynamic versus Static”, InBroadcast, Vol 11, Issue 8, August 2021, http://europe.nxtbook.com/nxteu/lesommet/inbroadcast_202108/index.php#/p/24. EXTERNAL
- Kerschbaumer, K., “Live From Tokyo Games: NBC Olympics Team Discusses How HDR Made Leap to Primetime”, Sports Video Group, July 28, 2021, https://www.sportsvideo.org/2021/07/28/live-from-tokyo-games-nbc-olympics-team-discusses-how-hdr-made-leap-to-primetime/. EXTERNAL
- Thompson, S., “Designing UHD HDR for Euro 2020: Islands in the sun”, BBC Research & Development, Broadcast and Connected Systems, July 16, 2021, https://www.bbc.co.uk/rd/blog/2021-07-uhd-hdr-television-production-workflow. EXTERNAL
- “Video Quality Evaluation Methodology and Verification Testing of HEVC Compression Performance”, Tan, Thiow Keng; Weerakkody, Rajitha; Mrak, Marta; Ramzan, Naeem; Baroncini, Vittorio; Ohm, Jens-Rainer; and Sullivan, Gary J., January 2016, IEEE Trans. Circuits and Systems for Video Technology, Vol. 26, No. 1, pp. 76–90. EXTERNAL
- ITU-R BT.709.6 [Active]
- ITU-R BT.2100-2 [Active]
- R-REC-BT.2124-0 — International Telecommunications Union—Radiocommunication (ITU-R), Recommendation BT.2124-0, “Objective Metric for the Assessment of the Potential Visibility of Colour Differences in Television,” Jan. 2019. EXTERNAL
- R-REC-BT.2408-5 — “Guidance for operational practices in HDR television production”, Report ITU-R BT.2408-5, March 2022, https://www.itu.int/dms_pub/itu-r/opb/rep/R-REP-BT.2408-5-2022-PDF-E.pdf . EXTERNAL
- SMPTE ST 2108-1 [Active]
- T-REC-J.340 — International Telecommunication Union-Telecommunications (ITU-T) Recommendation J340, “Reference Algorithm for Computing Peak Signal to Noise Ratio of a Processed Video Sequence With Compensation for Constant Spatial Shifts, Constant Temporal Shift, and Constant Luminance Gain and Offset,” Jun. 2010. Accessed: Jun. 7, 2023. [Online]. Available: https://www.itu.int/rec/dologin_pub.asp?lang=e&id=T-REC-J.340-201006-I!!PDF- E&type=items EXTERNAL
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David Touze, Frederic Plissonneau, Bill Redmann, Robin Le Naour, Patrick Lopez, Patrick Morvan, Laurent Cauvin, Nick Mitchell, and Alan Stein; HDR Production - Tone Mapping Techniques and Round-Trip Conversion Performance for Mastering with SDR and HDR Sources, SMPTE Meetings and Conferences ( October 2022); SMPTE, 2022, ISBN: 978-1-61482-963-8. Available at https://doi.org/10.5594/M001974
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David Touze, Frederic Plissonneau, Bill Redmann, Robin Le Naour, Patrick Lopez, Patrick Morvan, Laurent Cauvin, Nick Mitchell, and Alan Stein; HDR Production - Tone Mapping Techniques and Round-Trip Conversion Performance for Mastering with SDR and HDR Sources, SMPTE Meetings and Conferences ( October 2022); SMPTE, 2022, ISBN: 978-1-61482-963-8. Available at https://doi.org/10.5594/M001974
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David Touze, Frederic Plissonneau, Bill Redmann, Robin Le Naour, Patrick Lopez, Patrick Morvan, Laurent Cauvin, Nick Mitchell, and Alan Stein; HDR Production - Tone Mapping Techniques and Round-Trip Conversion Performance for Mastering with SDR and HDR Sources, SMPTE Meetings and Conferences ( October 2022); SMPTE, 2022, ISBN: 978-1-61482-963-8. Available at https://doi.org/10.5594/M001974
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<span class="citation">David Touze, Frederic Plissonneau, Bill Redmann, Robin Le Naour, Patrick Lopez, Patrick Morvan, Laurent Cauvin, Nick Mitchell, and Alan Stein; <cite>HDR Production - Tone Mapping Techniques and Round-Trip Conversion Performance for Mastering with SDR and HDR Sources</cite>, SMPTE Meetings and Conferences ( October 2022); SMPTE, 2022, ISBN: 978-1-61482-963-8. Available at <a href="https://doi.org/10.5594/M001974" target="_blank" rel="noopener">https://doi.org/10.5594/M001974</a></span>
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David Touze, Frederic Plissonneau, Bill Redmann, Robin Le Naour, Patrick Lopez, Patrick Morvan, Laurent Cauvin, Nick Mitchell, and Alan Stein; HDR Production - Tone Mapping Techniques and Round-Trip Conversion Performance for Mastering with SDR and HDR Sources, SMPTE Meetings and Conferences ( October 2022); SMPTE, 2022, ISBN: 978-1-61482-963-8
doi: 10.5594/M001974
url: https://doi.org/10.5594/M001974
doi: 10.5594/M001974
url: https://doi.org/10.5594/M001974
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<li> David Touze, Frederic Plissonneau, Bill Redmann, Robin Le Naour, Patrick Lopez, Patrick Morvan, Laurent Cauvin, Nick Mitchell, and Alan Stein; <cite id="bib-10-5594-m001974">HDR Production - Tone Mapping Techniques and Round-Trip Conversion Performance for Mastering with SDR and HDR Sources</cite>, SMPTE Meetings and Conferences ( October 2022); SMPTE, 2022, ISBN: 978-1-61482-963-8 <span class="doi">10.5594/M001974</span> </li>