Title:
TONE-CURVE OPTIMIZATION METHOD AND ASSOCIATED VIDEO ENCODER AND VIDEO DECODER
Document Type and Number:
WIPO Patent Application WO/2019/050972
Kind Code:
A3
Abstract:
A method for generating metadata for use by a video decoder for displaying video content encoded by a video encoder includes: (1) accessing a target tone mapping curve; (2) accessing a decoder tone curve corresponding to a tone curve used by the video decoder for tone mapping the video content; (3) generating a plurality of parameters of a trim-pass function used by the video decoder to apply after applying the decoder tone curve to the video content, wherein the parameters of the trim-pass function are generated to approximate the target tone curve with the combination of the trim-pass function and the decoder tone curve, and (4) generating the metadata for use by the video decoder, including said plurality of parameters of the trim-pass function.
Inventors:
CHOUDHURY ANUSTUP KUMAR ATANU (US)
ATKINS ROBIN (US)
BEIER THADDEUS (US)
ZANDIFAR ALI (US)
GODIN IAN (US)
ATKINS ROBIN (US)
BEIER THADDEUS (US)
ZANDIFAR ALI (US)
GODIN IAN (US)
Application Number:
PCT/US2018/049585
Publication Date:
May 02, 2019
Filing Date:
September 05, 2018
Export Citation:
Assignee:
DOLBY LABORATORIES LICENSING CORP (US)
International Classes:
H04N19/70; H04N1/60; H04N5/20; H04N19/186; H04N19/46; H04N19/98
Domestic Patent References:
| WO2012125802A1 | 2012-09-20 |
Foreign References:
| US9554020B2 | 2017-01-24 | |||
| US20140185930A1 | 2014-07-03 |
Other References:
YEUNG R ET AL: "Indication of SMPTE 2094-10 metadata in HEVC", 24. JCT-VC MEETING; 26-5-2016 - 1-6-2016; GENEVA; (JOINT COLLABORATIVE TEAM ON VIDEO CODING OF ISO/IEC JTC1/SC29/WG11 AND ITU-T SG.16 ); URL: HTTP://WFTP3.ITU.INT/AV-ARCH/JCTVC-SITE/,, no. JCTVC-X0042, 17 May 2016 (2016-05-17), XP030117970
LU T ET AL: "AHG7: On content colour volume SEI message", 26. JCT-VC MEETING; 12-1-2017 - 20-1-2017; GENEVA; (JOINT COLLABORATIVE TEAM ON VIDEO CODING OF ISO/IEC JTC1/SC29/WG11 AND ITU-T SG.16 ); URL: HTTP://WFTP3.ITU.INT/AV-ARCH/JCTVC-SITE/,, no. JCTVC-Z0028, 4 January 2017 (2017-01-04), XP030118134
"Elsevier Science & Technology, 2016", 1 January 2016, ELSEVIER, ISBN: 978-0-08-100412-8, article FRÉDÉRIQUE DUFAUX ET AL: "High Dynamic Range Video : Acquisition, Display and Applications", pages: 277 - 280, XP055525579
FRANÇOIS E ET AL: "Signalling, Backward Compatibility, and Display Adaptation for HDR/WCG Video (Draft 2)", 26. JCT-VC MEETING; 12-1-2017 - 20-1-2017; GENEVA; (JOINT COLLABORATIVE TEAM ON VIDEO CODING OF ISO/IEC JTC1/SC29/WG11 AND ITU-T SG.16 ); URL: HTTP://WFTP3.ITU.INT/AV-ARCH/JCTVC-SITE/,, no. JCTVC-Z1012, 27 March 2017 (2017-03-27), XP030118166
SMPTE: "ST 2094-1:2016 - SMPTE Standard - Dynamic Metadata for Color Volume Transform - Core Components", IEEE, 13 June 2016 (2016-06-13), Piscataway, NJ, USA, pages 1 - 15, XP055453517, ISBN: 978-1-68303-023-2, Retrieved from the Internet [retrieved on 20180222], DOI: 10.5594/SMPTE.ST2094-1.2016
MPEG: "Dynamic Metadata for Color Volume Transform - Application #1", SMPTE ST 2094-10:2016, vol. 18, 1 January 2016 (2016-01-01), pages 1 - 15, XP055427202
SMPTE: "ST 2094-20:2016 Dynamic Metadata for Color Volume Transform - Application #2 Table of Contents", IEEE, 21 July 2016 (2016-07-21), Piscataway, NJ, USA, pages 1 - 23, XP055453589, ISBN: 978-1-68303-030-0, Retrieved from the Internet [retrieved on 20180222], DOI: 10.5594/SMPTE.ST2094-20.2016
SMPTE: "Dynamic Metadata for Color Volume Transform - Application #3", IEEE, 21 July 2016 (2016-07-21), Piscataway, NJ, USA, pages 1 - 15, XP055453579, ISBN: 978-1-68303-031-7, Retrieved from the Internet [retrieved on 20180222], DOI: 10.5594/SMPTE.ST2094-30.2016
SMPTE: "Dynamic Metadata for Color Volume Transform - Application #4 Table of Contents", IEEE, 1 January 2016 (2016-01-01), Piscataway, NJ, USA, pages 1 - 26, XP055453574, ISBN: 978-1-68303-030-0, Retrieved from the Internet [retrieved on 20180222], DOI: 10.5594/SMPTE.ST2094-20.2016
LU T ET AL: "AHG7: On content colour volume SEI message", 26. JCT-VC MEETING; 12-1-2017 - 20-1-2017; GENEVA; (JOINT COLLABORATIVE TEAM ON VIDEO CODING OF ISO/IEC JTC1/SC29/WG11 AND ITU-T SG.16 ); URL: HTTP://WFTP3.ITU.INT/AV-ARCH/JCTVC-SITE/,, no. JCTVC-Z0028, 4 January 2017 (2017-01-04), XP030118134
"Elsevier Science & Technology, 2016", 1 January 2016, ELSEVIER, ISBN: 978-0-08-100412-8, article FRÉDÉRIQUE DUFAUX ET AL: "High Dynamic Range Video : Acquisition, Display and Applications", pages: 277 - 280, XP055525579
FRANÇOIS E ET AL: "Signalling, Backward Compatibility, and Display Adaptation for HDR/WCG Video (Draft 2)", 26. JCT-VC MEETING; 12-1-2017 - 20-1-2017; GENEVA; (JOINT COLLABORATIVE TEAM ON VIDEO CODING OF ISO/IEC JTC1/SC29/WG11 AND ITU-T SG.16 ); URL: HTTP://WFTP3.ITU.INT/AV-ARCH/JCTVC-SITE/,, no. JCTVC-Z1012, 27 March 2017 (2017-03-27), XP030118166
SMPTE: "ST 2094-1:2016 - SMPTE Standard - Dynamic Metadata for Color Volume Transform - Core Components", IEEE, 13 June 2016 (2016-06-13), Piscataway, NJ, USA, pages 1 - 15, XP055453517, ISBN: 978-1-68303-023-2, Retrieved from the Internet
MPEG: "Dynamic Metadata for Color Volume Transform - Application #1", SMPTE ST 2094-10:2016, vol. 18, 1 January 2016 (2016-01-01), pages 1 - 15, XP055427202
SMPTE: "ST 2094-20:2016 Dynamic Metadata for Color Volume Transform - Application #2 Table of Contents", IEEE, 21 July 2016 (2016-07-21), Piscataway, NJ, USA, pages 1 - 23, XP055453589, ISBN: 978-1-68303-030-0, Retrieved from the Internet
SMPTE: "Dynamic Metadata for Color Volume Transform - Application #3", IEEE, 21 July 2016 (2016-07-21), Piscataway, NJ, USA, pages 1 - 15, XP055453579, ISBN: 978-1-68303-031-7, Retrieved from the Internet
SMPTE: "Dynamic Metadata for Color Volume Transform - Application #4 Table of Contents", IEEE, 1 January 2016 (2016-01-01), Piscataway, NJ, USA, pages 1 - 26, XP055453574, ISBN: 978-1-68303-030-0, Retrieved from the Internet
Attorney, Agent or Firm:
KONSTANTINIDES, Konstantinos et al. (US)
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