IP Library › Granted Patent US 12,634,521
Granted Patent B2
US 12,634,521 · App. 18/513,114 · Granted May 19, 2026

Signaling of decoded picture buffer parameters in layered video

Inventor: Ye-kui Wang (San Diego, CA)
Assignee: Bytedance Inc.
H04N19/70H04N19/105H04N19/172H04N19/187H04N19/44
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Quick Facts
Patent No.
US 12,634,521
App. No.
18/513,114
Granted
May 19, 2026
Kind
B2
Abstract

A method of video processing includes performing a conversion between a video and a bitstream of the video. The bitstream includes one or more output layer sets each comprising one or more video layers. The bitstream conforms to a format rule, wherein the format rule specifies that a number of decoded picture buffer parameter syntax structures included in a video parameter set for the bitstream is equal to: zero, in a case that each output layer set includes a single video layer; or one plus a value of a syntax element, in a case that each output layer set includes a single layer is not true.

Claims (58)

1 . A method of video processing, comprising:

performing a conversion between a video and a bitstream of the video,

wherein the bitstream comprises one or more output layer sets (OLSs) each comprising one or more video layers;

wherein the bitstream conforms to a format rule,

wherein the format rule further specifies whether or how a first syntax element indicating a number of syntax structures descriptive of OLS-specific hypothetical reference decoder (HRD) parameters is included in video parameter set (VPS) for the bitstream, and

wherein the first syntax element is included in the VPS when a second syntax element indicating whether a first syntax structure descriptive of parameters of an HRD used for the conversion is included in the VPS for the bitstream has a value 1, regardless of whether a total number of OLSs in the one or more OLSs is greater than 1.

2 . The method of claim 1 , wherein the format rule specifies the second syntax element is omitted from the VPS when each of the one or more video layers is included in an OLS of the one or more OLSs, wherein each of the one or more OLSs comprises a single video layer, and

wherein the first syntax structure comprises a set of general HRD parameters.

3 . The method of claim 1 , wherein the format rule specifies that the second syntax element is inferred to have a zero value when each of the one or more video layers is included in an OLS of the one or more OLSs, and wherein each of the one or more OLSs comprises a single video layer.

4 . The method of claim 1 , wherein the format rule excludes parameters of HRD from the VPS for an OLS comprising only one video layer, and wherein the format rule permits inclusion of the parameters of HRD in a sequence parameter set for an OLS comprising only one video layer.

5 . The method of claim 1 , wherein the bitstream includes a coded video sequence (CVS) comprising one or more coded video pictures of the one or more video layers; and

wherein the format rule further specifies that one or more sequence parameter sets (SPS) indicating conversion parameters that are referred to by the one or more coded video pictures of the CVS have a same reference video parameter set (VPS) identifier indicating a referenced VPS.

6 . The method of claim 1 , wherein the format rule further specifies that, when a value of a third syntax element vps_max_layers_minus1 is equal to 0, a value of a fourth syntax element vps_all_independent_layers_flag indicating whether all layers specified by a video parameter set for the bitstream are independently coded without using inter-layer prediction is equal to 1, a value of a fifth syntax element each_layer_is_an_ols_flag in the video parameter set indicating whether each output layer set includes a single video layer is equal to 1, and a value of a variable VpsNumDpbParams indicating a number of decoded picture buffer parameter syntax structures included in the video parameter set is equal to zero, and wherein the third syntax element plus 1 specifies a maximum allowed number of layers in each coded video sequence referring to the video parameter set.

7 . The method of claim 6 , wherein the format rule specifies that the variable VpsNumDpbParams indicating the number of decoded picture buffer parameter syntax structures is equal to one plus a value of a sixth syntax element when each output layer set includes a single video layer is not true.

8 . The method of claim 7 , wherein the sixth syntax element corresponds to a vps_num_dpb_params_minus1 syntax element.

9 . The method of claim 6 , wherein the format rule specifies that a seventh syntax element indicating an index, to a list of the decoded picture buffer parameter syntax structures included in the video parameter set, of a decoded picture buffer parameter syntax structure that applies to an output layer set is conditionally included in the video parameter set.

10 . The method of claim 9 , wherein when the seventh syntax element is present, a value of the seventh syntax element is in a range of 0 to the number of decoded picture buffer parameter syntax structures minus 1.

11 . The method of claim 9 , wherein when the seventh syntax element is not present and the number of decoded picture buffer parameter syntax structures is equal to 1, a value of the seventh syntax element is inferred to be equal to 0.

12 . The method of claim 6 , wherein the format rule specifies that, when an eighth syntax element indicting whether a same size is used for indicating which decoded picture buffer syntax structures for video layers are included and which decoded picture buffer syntax structures for video layers are not included in the one or more output layer sets is absent in the video parameter set, a value of the eighth syntax element is inferred to be equal to 1.

13 . The method of claim 1 , wherein the performing the conversion comprising encoding the video into the bitstream.

14 . The method of claim 1 , wherein the performing the conversion comprises decoding the video from the bitstream.

15 . An apparatus for processing video data comprising a processor and a non-transitory memory with instructions thereon, wherein the instructions upon execution by the processor, cause the processor to:

perform a conversion between a video and a bitstream of the video,

wherein the bitstream includes one or more output layer sets (OLSs) each comprising one or more video layers;

wherein the bitstream conforms to a format rule,

wherein the format rule further specifies whether or how a first syntax element indicating a number of syntax structures descriptive of OLS-specific hypothetical reference decoder (HRD) parameters is included in video parameter set (VPS) for the bitstream, and

wherein the first syntax element is included in the VPS when a second syntax element indicating whether a first syntax structure descriptive of parameters of an HRD used for the conversion is included in the VPS for the bitstream has a value 1, regardless of whether a total number of OLSs in the one or more OLSs is greater than 1.

16 . The apparatus of claim 15 , wherein the format rule specifies the second syntax element is omitted from the VPS when each of the one or more video layers is included in an OLS of the one or more OLSs, and wherein each of the one or more OLSs comprises a single video layer,

wherein the first syntax structure comprises a set of general HRD parameters,

wherein the format rule specifies that the second syntax element is inferred to have a zero value when each of the one or more video layers is included in an OLS of the one or more OLSs, and wherein each of the one or more OLSs comprises a single video layer,

wherein the format rule excludes the parameters of HRD from the VPS for an OLS comprising only one video layer, and wherein the format rule permits inclusion of the parameters of HRD in a sequence parameter set for an OLS comprising only one video layer,

wherein the bitstream includes a coded video sequence (CVS) comprising one or more coded video pictures of the one or more video layers; and the format rule further specifies that one or more sequence parameter sets (SPS) indicating conversion parameters that are referred to by the one or more coded video pictures of the CVS have a same reference video parameter set (VPS) identifier indicating a referenced VPS,

wherein the format rule further specifies that, when a value of a third syntax element vps_max_layers_minus1 is equal to 0, a value of a fourth syntax element vps_all_independent_layers_flag indicating whether all layers specified by a video parameter set for the bitstream are independently coded without using inter-layer prediction is equal to 1, a value of a fifth syntax element each_layer_is_an_ols_flag in the video parameter set indicating whether each output layer set includes a single video layer is equal to 1, and a value of a variable VpsNumDpbParams indicating a number of decoded picture buffer parameter syntax structures included in the video parameter set is equal to zero, and wherein the third syntax element plus 1 specifies a maximum allowed number of layers in each coded video sequence referring to the video parameter set.

17 . A non-transitory computer-readable storage medium storing instructions that cause a processor to:

perform a conversion between a video and a bitstream of the video,

wherein the bitstream includes one or more output layer sets (OLSs) each comprising one or more video layers;

wherein the bitstream conforms to a format rule,

wherein the format rule further specifies whether or how a first syntax element indicating a number of syntax structures descriptive of OLS-specific hypothetical reference decoder (HRD) parameters is included in video parameter set (VPS) for the bitstream, and

wherein the first syntax element is included in the VPS when a second syntax element indicating whether a first syntax structure descriptive of parameters of an HRD used for the conversion is included in the VPS for the bitstream has a value 1, regardless of whether a total number of OLSs in the one or more OLSs is greater than 1.

18 . The non-transitory computer-readable storage medium of claim 17 , wherein the format rule specifies the second syntax element is omitted from the VPS when each of the one or more video layers is included in an OLS of the one or more OLSs, and wherein each of the one or more OLSs comprises a single video layer,

wherein the first syntax structure comprises a set of general HRD parameters,

wherein the format rule specifies that the second syntax element is inferred to have a zero value when each of the one or more video layers is included in an OLS of the one or more OLSs, and wherein each of the one or more OLSs comprises a single video layer,

wherein the format rule excludes the parameters of HRD from the VPS for an OLS comprising only one video layer, and wherein the format rule permits inclusion of the parameters of HRD in a sequence parameter set for an OLS comprising only one video layer,

wherein the bitstream includes a coded video sequence (CVS) comprising one or more coded video pictures of the one or more video layers; and the format rule further specifies that one or more sequence parameter sets (SPS) indicating conversion parameters that are referred to by the one or more coded video pictures of the CVS have a same reference video parameter set (VPS) identifier indicating a referenced VPS,

wherein the format rule further specifies that, when a value of a third syntax element vps_max_layers_minus1 is equal to 0, a value of a fourth syntax element vps_all_independent_layers_flag indicating whether all layers specified by a video parameter set for the bitstream are independently coded without using inter-layer prediction is equal to 1, a value of a fifth syntax element each_layer_is_an_ols_flag in the video parameter set indicating whether each output layer set includes a single video layer is equal to 1, and a value of a variable VpsNumDpbParams indicating a number of decoded picture buffer parameter syntax structures included in the video parameter set is equal to zero, and wherein the third syntax element plus 1 specifies a maximum allowed number of layers in each coded video sequence referring to the video parameter set.

19 . A method for storing a bitstream of a video, comprising:

generating the bitstream of the video, and

storing the bitstream into a non-transitory computer readable medium,

wherein the bitstream includes one or more output layer sets (OLSs) each comprising one or more video layers;

wherein the bitstream conforms to a format rule,

wherein the format rule further specifies whether or how a first syntax element indicating a number of syntax structures descriptive of OLS-specific hypothetical reference decoder (HRD) parameters is included in video parameter set (VPS) for the bitstream, and

wherein the first syntax element is included in the VPS when a second syntax element indicating whether a first syntax structure descriptive of parameters of an HRD used for the generating is included in the VPS for the bitstream has a value 1, regardless of whether a total number of OLSs in the one or more OLSs is greater than 1.

20 . The method of claim 19 , wherein the format rule specifies the second syntax element is omitted from the VPS when each of the one or more video layers is included in an OLS of the one or more OLSs, and wherein each of the one or more OLSs comprises a single video layer,

wherein the first syntax structure comprises a set of general HRD parameters,

wherein the format rule specifies that the second syntax element is inferred to have a zero value when each of the one or more video layers is included in an OLS of the one or more OLSs, and wherein each of the one or more OLSs comprises a single video layer,

wherein the format rule excludes the parameters of HRD from the VPS for an OLS comprising only one video layer, and wherein the format rule permits inclusion of the parameters of HRD in a sequence parameter set for an OLS comprising only one video layer,

wherein the bitstream includes a coded video sequence (CVS) comprising one or more coded video pictures of the one or more video layers; and the format rule further specifies that one or more sequence parameter sets (SPS) indicating conversion parameters that are referred to by the one or more coded video pictures of the CVS have a same reference video parameter set (VPS) identifier indicating a referenced VPS,

wherein the format rule further specifies that, when a value of a third syntax element vps_max_layers_minus1 is equal to 0, a value of a fourth syntax element vps_all_independent_layers_flag indicating whether all layers specified by a video parameter set for the bitstream are independently coded without using inter-layer prediction is equal to 1, a value of a fifth syntax element each_layer_is_an_ols_flag in the video parameter set indicating whether each output layer set includes a single video layer is equal to 1, and a value of a variable VpsNumDpbParams indicating a number of decoded picture buffer parameter syntax structures included in the video parameter set is equal to zero, and wherein the third syntax element plus 1 specifies a maximum allowed number of layers in each coded video sequence referring to the video parameter set.

Assignments (1)
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Jan 10, 2024
From: WANG, YE-KUI
To: BYTEDANCE INC.
Reel/Frame 066086/0175 →
Continuity (5)
Continuation 17848504 · Jun 24, 2022
Continuation PCTUS2020067019 · Dec 24, 2020
Provisional Application 62955185 · Dec 30, 2019
Provisional Application 62953854 · Dec 26, 2019
Related Publication 20240107069A1 · Mar 28, 2024
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Written Decision on Registration for Korean Application No. 10-2022-7020526, mailed Nov. 29, 2024, 6 Pages. [cited by applicant]
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Document: JVET-Q0404, Skupin, R., et al., “AHG12: On CBR subpicture extraction,” Joint Video Experts Team (JVET) of ITU-T SG 16 WP 3 and 1S0/IEC JTC 1/SC 29/WG 11 17th Meeting: Brussels, BE, Jan. 7-17, 2020, 5 pages. [cited by applicant]
Document: JVET-S0154-vl, “AHG9/AHG8/AHG12: On the subpicture sub-bitstream extraction process”, Joint Video Experts Team (JVET) of ITU-T SG 16 WP 3 and ISO/IEC JTC 1/SC 29/WG 11 19th Meeting: by teleconference, Jun. 22-… [cited by applicant]
Document: JVET-U0089, Ye, Y., et al., “8-bit profiles for VVC”, Joint Video Experts Team (JVET) of ITU-T SG 16 WP 3 and ISO/IEC JTC 1/SC 29 21st Meeting, by teleconference, Jan. 6-15, 2021, 3 pages. [cited by applicant]
Document: JVET-Q0397-v2, Skupin, R., et al., “AHG12: On subpicture extraction,” Joint Video Experts Team (JVET) of ITU-T SG 16 WP 3 and 1S0/IEC JTC 1/SC 29/WG 11 17th Meeting: Brussels, BE, Jan. 7-17, 2020, 6 pages. [cited by applicant]
European Examination Report from European Patent Application No. 21738539.2 dated Dec. 4, 2024, 7 pages. [cited by applicant]
Document: JVET-P2001-vE, Bross et al. “Versatile Video Coding (Draft 7),” Joint Video Experts Team (JVET) of ITU-T SG 16 WP 3 and ISO/IEC JTC 1/SC 29/WG 11 16th Meeting: Geneva, CH, Oct. 1-11, 2019, 491 pages. [cited by applicant]
“Information Technology—High Efficiency Coding and Media Delivery in Heterogeneous Environments—Part 2: High Efficiency Video Coding” Apr. 20, 2018, ISO/DIS 23008, 4th Edition. [cited by applicant]
Chen et al. “Algorithm Description of Joint Exploration Test Model 7 (JEM 7),” Joint Video Exploration Team (JVET) of ITU-T SG 16 WP 3 and ISO/IEC JTC 1/SC 29/WG 11, 7th Meeting: Torino, IT, Jul. 13-21, 2017, document J… [cited by applicant]
Chen et al. “Algorithm Description for Versatile Video Coding and Test Model 7 (VTM 7),” Joint Video Experts Team (JVET) of ITU-T SG 16 WP 3 and ISO/IEC JTC 1/SC 29/WG 11 16th Meeting: Geneva, CH, Oct. 1-11, 2019, docum… [cited by applicant]
VTM software: https://vcgit.hhi.fraunhofer.de/jvet/VVCSoftware_VTM.git, Sep. 12, 2022. [cited by applicant]
Lin et al. “Multiple Description Coding for Scalable Video Coding with Redundant Slice,” IEEE, 2012, retrieved on Feb. 28, 2021 from the internet <URL: https://ieeexplore.ieee.org/stamp/stamp.jsp?tp=&amumber-8506581>. [cited by applicant]
Wech et al. “Overview of the Multiview and 30 Extensions of High Efficiency Video Coding,” 2015 IEEE Transactions on Circuits and Systems for Video Technology, 26.1, Sep. 11, 2015, pp. 35-49. [cited by applicant]
JVET-Q0786—Deshpande et al. “AHG9: On PTL and HRD Parameters Signalling in VPS,” Joint Video Experts Team (JVET) of ITU-T SG 16 WP 3 and ISO/IEC JTC 1/SC 29/WG 11 17th Meeting, Brussels, BE Jan. 7-17, 2020, document JVE… [cited by applicant]
JVET-P0115—Wang, Ye-Kui, “AHG8: Scalability—General and Output Layer Sets,” Joint Video Experts Team (JVET) of ITU-T SG 16 WP 3 and ISO/IEC JTC 1/SC 29/WG 11 16th Meeting, Geneva, CH, Oct. 1-11, 2019, document JVET-P011… [cited by applicant]
Wang, Ye-Kui, “AHG8: Signalling of Output Layer Sets,” Joint Video Experts Team (JVET) of ITU-T SG 16 WP 3 and ISO/IEC JTC 1/SC 29/WG 1116th Meeting, Geneva, CH, Oct. 1-11, 2019, document JVET-P0119, 2019. [cited by applicant]
Wang, Ye-Kui, “Report of BoG on High-Level Syntax,” Joint Video Experts Team (JVET) of ITU-T SG 16 WP 3 and ISO/IEC JTC 1/SC 29/WG 11 16th Meeting, Geneva, CH, Oct. 1-11, 2019, document JVET-P0968, 2019. [cited by applicant]
Nishi et al. “AHG9: On Signalling of PTUHRD Parameters for Single Layer OLSs and DPB Parameters for Independent Layers,” Joint Video Experts Team (JVET) of ITU-T SG 16 WP 3 and ISO/IEC JTC 1/SC 29/WG 11 17th Meeting, Br… [cited by applicant]
Document: JCTVC-AC1005-v2, Boyce, J., et al., “HEVC Additional Supplemental Enhancement Information (Draft 4),” Joint Collaborative Team on Video Coding (JCT-VC) of ITU-T SG 16 WP 3 and ISO/IEC JTC 1/SC 29/WG 11 29th Me… [cited by applicant]
Sullivan et al. “Standardized Extensions of High Efficiency Video Coding (HEVC),” IEEE Journal of Selected Topics in Signal Processing, Dec. 2013, 7(6):1001-1016. [cited by applicant]
Sjoberg et al. “Overview of HEVC High-Level Syntax and Reference Picture Management,” IEEE Transactions on Circuits and Systems for Video Technology, Dec. 2012, 22(12):1858-1870. [cited by applicant]
#711 Closed defect (fixed), Retrieved from the internet: Https://jvet.hhi.fraunhofer.de/trac/vvc/ticket/711, Nov. 15, 2019, 1 page. [cited by applicant]
Bross et al. “High Efficiency Video Coding (HEVC) Text Specification Draft 9,” Joint Collaborative Team on Video Coding (JCT-VC) of ITU-T SG16 WP3 and ISO/IEC JTC1/SC29/WG11 11th Meeting: Shanghai, CN, Oct. 10-19, 2012,… [cited by applicant]
JVET-Q0075—Zhu et al. “CE2-1.1: Qp Dependent Fixed-Length Binarization for Escape Coding.” Joint Video Experts Team (JVET) of ITU-T SG 16 WP 3 and ISO/IEC JTC 1/SC 29/WG 11 17th Meeting: Brussels, BE, Jan. 7-17, 2020, d… [cited by applicant]
Sarwer et al. “CE3-related: CTU Level Local Lossless Coding of WC,” Joint Video Experts Team (JVET) of ITU-T SG 16 WP 3 and ISO/IEC JTC 1/SC 29/WG 11 17th Meeting: Brussels, BE, Jan. 7-17, 2020, document JVET-Q0294, 202… [cited by applicant]
JVET-P1001—Kotra et al. “Non-CE5: Chroma QP Derivation Fix for Deblocking Filter (Combination of JVET-P0105 and JVETP0539),” Joint Video Experts Team (JVET) of ITU-T SG 16 WP 3 and ISO/IEC JTC 1/SC 29/WG 11 16th Meeting… [cited by applicant]
Wang et al. “AHG12: Cleanups on Signalling of Subpictures, Tiles, and Rectangular Slices,” Joint Video Experts Team (JVET) of ITU-T SG 16 WP3 and ISO/IEC JTC 1/SC 29NVG 11 17th Meeting, Brussels, BE, Jan. 7-17, 2020, do… [cited by applicant]
Boyce et al. “Sub-Pictures and Sub-Picture Sets with Level Derivation,” Joint Video Experts Team (JVET) of ITU-T S, SG 16 WP 3 and ISO/IEC JTC 1/SC 29/WG 11 15th Meeting, Gothenburg, SE, Jul. 3-12, 2019, document JVET-0… [cited by applicant]
Ramasubramonian et al. SHVC/MV-HEVC level Definitions and Related Decoder Capability Requirements, Joint Collaborative Team on Video Coding (JCT-VC) of ITU-T SG 16 WP 3 and ISO/IEC JTC 1/SC 29/WG 11 18th Meeting: Sappor… [cited by applicant]
Bross et al. “Versatile Video Coding (Draft 10),” Joint Video Experts Team (JVET) of ITU-T SG 16 WP 3 and ISO/IEC JTC 1/SC 29/WG 1119th Meeting: by teleconference Jun. 22-Jul. 1, 2020, document JVET-S2001, 2020. [cited by applicant]
Hendry et al. “AHG9: On Miscellaneous Updates for HLS Signalling,” Joint Video Experts Team (JVET) of ITU-T SG 16 WP 3 and ISO/IEC JTC 1/SC 29/WG 11 18th Meeting: by teleconference Apr. 15-24, 2020, documentJVET-R0191, … [cited by applicant]
Choi et al. “AHG8: Output Layer Set and PTL Signaling,” Joint Video Experts Team (JVET) of ITU-T SG 16 WP 3 and ISO/IEC JTC 1/SC 29/WG 11 16th Meeting: Geneva, CH, Oct. 1-11, 2019, document JVET-P0225, 2019. [cited by applicant]
Wang, Ye-Kui, “AHG8: Signalling of Output Layer Sets,” Joint Video Experts Team (JVET) of ITU-T SG 16 WP 3 and ISO/IEC JTC 1/SC 29/WG 11 16th Meeting, Geneva, CH, Oct. 1-11, 2019, document JVET-P1019, 2019. [cited by applicant]
Wang et al. “Miscellaneous Fixes for HLS in Specification,” Joint Video Experts Team (JVET) of ITU-T SG 16 WP 3 and ISO/IEC JTC 1/SC 29/WG 11 17th Meeting, Brussels, BE, Jan. 7-17, 2020, document JVET-Q0197, 2020. [cited by applicant]
Document: JVET-Q0041-v21, Wang, Y.K., et al., “AHG2: Editorial input on VVC draft text,” Joint Video Experts Team (JVET) of ITU-T SG 16 WP 3 and ISO/IEC JTC 1/SC 29/WG 11 17th Meeting: Brussels, BE, Jan. 7-17, 2020, 2 p… [cited by applicant]
Coban et al. “AHG9: On Picture Header IRAP/GDR Signalling,” Joint Video Experts Team (JVET) of ITU-T SG 16 WP 3 and ISO/IEC JTC 1/SC 29/WG 11 17th Meeting, Brussels, BE, Jan. 7-17, 2020, document JVET-Q0154, 2020. [cited by applicant]
Sjoberg et al. “AHG9: Picture Header Enabled Flag,” Joint Video Experts Team (JVET) of ITU-T SG 16 WP 3 and ISO/IEC JTC 1/SC 29/WG 11 17th Meeting: Brussels, BE, Jan. 7-17, 2020, document JVET-Q0426, 2020. [cited by applicant]
Choi et al. “AHG9: Bugfix and Cleanup on ph_no_output_of_prior_pics_flag and ph_ghr_or_irap_pic_flag,” Joint Video Experts Team (JVET) of ITU-T SG 16 WP 3 and ISO/IEC JTC 1/SC 29/WG 11 19th Meeting, by teleconference, J… [cited by applicant]
Choi et al. “AHG9: On Signalling IRAP and GDR Pictures,” Joint Video Experts Team (JVET) of ITU-T SG 16 WP 3 and ISO/IEC JTC 1/SC 29/WG 11 19th Meeting, by teleconference, Jun. 22-Jul. 1, 2020, document JVET-S0055, 2020. [cited by applicant]
Drugeon et al. “AHG9: On Order of HRD Related SEI Messages,” Joint Video Experts Team (JVET) of ITU-T SG 16 WP 3 and ISO/IEC JTC 1/SC 29/WG 11 17th Meeting, Brussels, BE, Jan. 7-17, 2020, document JVET-Q0048, 2020. [cited by applicant]
Wenger et al ., “RTP Payload Format for SVC Video,” draft-ietf-avt-rtp-svc-13.txt, Audio/Video Transport WG, Internet Draft, Intended status: Standards track, Jul. 14, 2008, 86 pages. [cited by applicant]
JVET-R2001-vB—Benjamin Bross, Jianle Chen, Shan Liu, and Ye-Kui WangVersatile Video Coding (Draft 9)Joint Video Experts Team (JVET) of ITU-T SG 16 WP3 and ISO/IEC JTC 1/SC 29/WG 11JVET-R2001 (version 11)18th Meeting: by… [cited by applicant]
Wang, Ye-Kui, “AHG8: Scalability—HRD,” Joint Video Experts Team (JVET) of ITU-T SG 16 WP 3 and ISO/IEC JTC 1/SC 29/WG 11 16th Meeting, Geneva, CH, Oct. 1-11, 2019, document JVET-P0118, 2019, pp. 36-38,88-92. [cited by applicant]
Document: JVET-Q0235-v1, Mitsuhiro, H., et al., “AHG12 Simplifying the nesting condition of subpicIdList[i],” Joint Video Experts Team (JVET) of ITU-T SG 16 WP 3 and ISO/IEC JTC 1/SC 29/WG 11 17th Meeting: Brussels, BE,… [cited by applicant]
Document: JVET-P0480-v2, Skupin, R., et al., “AHG 17: On simplification of subpicture design,” Joint Video Experts Team (JVET) of ITU-T SG 16 WP 3 and ISO/IEC JTC 1/SC 29/WG 11 16th Meeting: Geneva, CH, Oct. 1-11, 2019,… [cited by applicant]
Wang, Ye-Kui “AHG8: Scalability—PTL and Decoder Capability,” Joint Video Experts Team (JVET) of ITU-T SG 16 WP 3 and ISO/IEC JTC 1/SC 29/WG 11 16th Meeting: Geneva, CH, Oct. 1-11, 2019, document JVET-P0117, 2019. [cited by applicant]
Document: JVET-Q0333-v1, Chang, Y., et al., “AhG12: On the subpicture-based scaling process,” Joint Video Experts Team (JVET) of ITU-T SG 16 WP 3 and ISO/IEC JTC 1/SC 29/WG 11 17th Meeting: Brussels, BE, Jan. 7-17, 2020… [cited by applicant]
Document: JCTVC-P0307, Wang, Y.K., et al., “MV-HEVC/SHVCHLS: An extension for separation of non-VUI and VUI data in the VPS,” Joint Collaborative Team on Video Coding (JCT-VC) of ITU-T SG 16 WP 3 and ISO/IEC JTC 1/SC 29… [cited by applicant]
Document: JVET-Q0118-v1, Wang, Y.K., et al., “AHG8/AHG9: Scalability HLS cleanups,” Joint Video Experts Team (JVET) of ITU-T SG 16 WP 3 and ISO/IEC JTC 1/SC 29/WG 11 17th Meeting: Brussels, BE, Jan. 7-17, 2020, 8 pages. [cited by applicant]
Document: JVET-Q0786-v2, Deshpande, S., et al., “AHG9: On PTL and HRD Parameters Signalling in VPS,” Joint Video Experts Team (JVET) of ITU-T SG 16 WP 3 and ISO/IEC JTC 1/SC 29/WG 11 17th Meeting, Brussels, BE Jan. 7-17… [cited by applicant]
Document: JVET-P2001-v6, Bross et al. “Versatile Video Coding (Draft 7),” Joint Video Experts Team (JVET) of ITU-T SG 16 WP 3 and ISO/IEC JTC 1/SC 29/WG 11 16th Meeting: Geneva, CH, Oct. 1-11, 2019, 517 pages. [cited by applicant]
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Document: JVET-Q0404, Skupin, R., et al., “AUG 12: On CBR subpicture extraction,” Joint Video Experts Team (JVET) of ITU-T SG 16 WP 3 and 1S0/IEC JTC 1/SC 29/WG 11 17th Meeting: Brussels, BE, Jan. 7-17, 2020, 5 pages. [cited by applicant]
Document: JVET-S0154-v1, Wang, Y.K., et al., “AHG9/AHG8/AHG12: On the subpicture sub-bitstream extraction process,” Joint Video Experts Team (JVET) of ITU-T SG 16 WP 3 and ISO/IEC JTC 1/SC 29/WG 11 19th Meeting: by tele… [cited by applicant]
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Document: JVET-Q0333-v2, Chang, Y-J., et al., “AhG12: On the subpicture-based scaling process,” Joint Video Experts Team (JVET) of ITU-T SG 16 WP 3 and ISO/IEC JTC 1/SC 29/WG 11 17th Meeting: Brussels, BE, Jan. 7-17, 20… [cited by applicant]
Document: JVET-Q0047, Nishi, T., et al., “AHG9: Unified signalling of PTL and HRD parameters in VPS,” Joint Video Experts Team (JVET) of ITU-T SG 16 WP 3 and ISO/IEC JTC 1/SC 29/WG 11 17th Meeting: Brussels, BE, Jan. 7-… [cited by applicant]
Document: JVET-O1130-v3, Hannuksela, M., et al., “AHG8/AHG12: Decoding multiple independent layers with single-layer decoding process,” Joint Video Experts Team (JVET) of ITU-T SG 16 WP 3 and ISO/IEC JTC 1/SC 29/WG 11 1… [cited by applicant]
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