JPWO2021117813A1 - - Google Patents

Info

Publication number
JPWO2021117813A1
JPWO2021117813A1 JP2021564030A JP2021564030A JPWO2021117813A1 JP WO2021117813 A1 JPWO2021117813 A1 JP WO2021117813A1 JP 2021564030 A JP2021564030 A JP 2021564030A JP 2021564030 A JP2021564030 A JP 2021564030A JP WO2021117813 A1 JPWO2021117813 A1 JP WO2021117813A1
Authority
JP
Japan
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
JP2021564030A
Other languages
Japanese (ja)
Other versions
JPWO2021117813A5 (https=
JP7738485B2 (ja
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed filed Critical
Publication of JPWO2021117813A1 publication Critical patent/JPWO2021117813A1/ja
Publication of JPWO2021117813A5 publication Critical patent/JPWO2021117813A5/ja
Priority to JP2025145319A priority Critical patent/JP2025172138A/ja
Application granted granted Critical
Publication of JP7738485B2 publication Critical patent/JP7738485B2/ja
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/70—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals characterised by syntax aspects related to video coding, e.g. related to compression standards
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/102—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the element, parameter or selection affected or controlled by the adaptive coding
    • H04N19/103—Selection of coding mode or of prediction mode
    • H04N19/105—Selection of the reference unit for prediction within a chosen coding or prediction mode, e.g. adaptive choice of position and number of pixels used for prediction
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/134—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the element, parameter or criterion affecting or controlling the adaptive coding
    • H04N19/154—Measured or subjectively estimated visual quality after decoding, e.g. measurement of distortion
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/169—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding
    • H04N19/17—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding the unit being an image region, e.g. an object
    • H04N19/172—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding the unit being an image region, e.g. an object the region being a picture, frame or field
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/169—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding
    • H04N19/188—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding the unit being a video data packet, e.g. a network abstraction layer [NAL] unit
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/30—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using hierarchical techniques, e.g. scalability
    • H04N19/31—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using hierarchical techniques, e.g. scalability in the temporal domain
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/20—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using video object coding
    • H04N19/29—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using video object coding involving scalability at the object level, e.g. video object layer [VOL]
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/30—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using hierarchical techniques, e.g. scalability

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
JP2021564030A 2019-12-13 2020-12-10 符号化装置、復号装置、符号化方法、および復号方法 Active JP7738485B2 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2025145319A JP2025172138A (ja) 2019-12-13 2025-09-02 符号化装置、復号装置、符号化方法、復号方法およびビットストリーム生成装置

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US201962947701P 2019-12-13 2019-12-13
US62/947,701 2019-12-13
PCT/JP2020/046060 WO2021117813A1 (ja) 2019-12-13 2020-12-10 符号化装置、復号装置、符号化方法、および復号方法

Related Child Applications (1)

Application Number Title Priority Date Filing Date
JP2025145319A Division JP2025172138A (ja) 2019-12-13 2025-09-02 符号化装置、復号装置、符号化方法、復号方法およびビットストリーム生成装置

Publications (3)

Publication Number Publication Date
JPWO2021117813A1 true JPWO2021117813A1 (https=) 2021-06-17
JPWO2021117813A5 JPWO2021117813A5 (https=) 2022-08-08
JP7738485B2 JP7738485B2 (ja) 2025-09-12

Family

ID=76329945

Family Applications (2)

Application Number Title Priority Date Filing Date
JP2021564030A Active JP7738485B2 (ja) 2019-12-13 2020-12-10 符号化装置、復号装置、符号化方法、および復号方法
JP2025145319A Pending JP2025172138A (ja) 2019-12-13 2025-09-02 符号化装置、復号装置、符号化方法、復号方法およびビットストリーム生成装置

Family Applications After (1)

Application Number Title Priority Date Filing Date
JP2025145319A Pending JP2025172138A (ja) 2019-12-13 2025-09-02 符号化装置、復号装置、符号化方法、復号方法およびビットストリーム生成装置

Country Status (4)

Country Link
US (2) US12149745B2 (https=)
JP (2) JP7738485B2 (https=)
CN (5) CN120455697A (https=)
WO (1) WO2021117813A1 (https=)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2021134018A1 (en) * 2019-12-26 2021-07-01 Bytedance Inc. Signaling of decoded picture buffer parameters in layered video
CN114902674B (zh) 2019-12-26 2025-07-15 字节跳动有限公司 视频编解码中的档次、层和层级指示
EP4066387A4 (en) 2019-12-27 2023-02-15 ByteDance Inc. SUBPICTURE SIGNALING IN PARAMETER SETS
WO2021142370A1 (en) 2020-01-09 2021-07-15 Bytedance Inc. Constraints on value ranges in video bitstreams
WO2021162016A1 (ja) * 2020-02-10 2021-08-19 パナソニック インテレクチュアル プロパティ コーポレーション オブ アメリカ 符号化装置、復号装置、符号化方法、および復号方法

Family Cites Families (34)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20050254575A1 (en) * 2004-05-12 2005-11-17 Nokia Corporation Multiple interoperability points for scalable media coding and transmission
BRPI0720702A2 (pt) * 2007-01-05 2014-02-18 Thomson Licensing Decodificador hipotético de referência para codificação de vídeo escalável
EP2100459B1 (en) * 2007-01-08 2019-04-03 Nokia Technologies Oy System and method for providing and using predetermined signaling of interoperability points for transcoded media streams
EP3968642A1 (en) * 2007-04-12 2022-03-16 InterDigital VC Holdings, Inc. Methods and apparatus for video usability information (vui) for scalable video coding (svc)
US20140072058A1 (en) * 2010-03-05 2014-03-13 Thomson Licensing Coding systems
EP2505822B1 (en) * 2011-03-31 2015-11-25 ALSTOM Renewable Technologies Wind turbine
US9451252B2 (en) * 2012-01-14 2016-09-20 Qualcomm Incorporated Coding parameter sets and NAL unit headers for video coding
US9462609B2 (en) * 2012-06-07 2016-10-04 Kt Corporation Method for connecting wireless channel and apparatus for performing the method
AU2013285333A1 (en) * 2012-07-02 2015-02-05 Nokia Technologies Oy Method and apparatus for video coding
US9912941B2 (en) * 2012-07-02 2018-03-06 Sony Corporation Video coding system with temporal layers and method of operation thereof
US9451256B2 (en) * 2012-07-20 2016-09-20 Qualcomm Incorporated Reusing parameter sets for video coding
US9426462B2 (en) * 2012-09-21 2016-08-23 Qualcomm Incorporated Indication and activation of parameter sets for video coding
US9432664B2 (en) * 2012-09-28 2016-08-30 Qualcomm Incorporated Signaling layer identifiers for operation points in video coding
US9319703B2 (en) * 2012-10-08 2016-04-19 Qualcomm Incorporated Hypothetical reference decoder parameter syntax structure
US9521393B2 (en) * 2013-01-07 2016-12-13 Qualcomm Incorporated Non-nested SEI messages in video coding
US10003815B2 (en) * 2013-06-03 2018-06-19 Qualcomm Incorporated Hypothetical reference decoder model and conformance for cross-layer random access skipped pictures
WO2015056158A1 (en) * 2013-10-14 2015-04-23 Nokia Technologies Oy Multi-layer hypothetical reference decoder
WO2015056182A2 (en) * 2013-10-15 2015-04-23 Nokia Technologies Oy Video encoding and decoding
JP2015126507A (ja) * 2013-12-27 2015-07-06 シャープ株式会社 画像復号装置、画像符号化装置、及び符号化データ
US20170171563A1 (en) * 2014-02-24 2017-06-15 Sharp Kabushiki Kaisha Restrictions on signaling
JP6329246B2 (ja) * 2014-03-14 2018-05-23 ホアウェイ・テクノロジーズ・カンパニー・リミテッド 画像復号装置
US20150264099A1 (en) * 2014-03-14 2015-09-17 Sharp Laboratories Of America, Inc. Systems and methods for constraining a bitstream
US10390087B2 (en) * 2014-05-01 2019-08-20 Qualcomm Incorporated Hypothetical reference decoder parameters for partitioning schemes in video coding
MX360655B (es) * 2014-05-21 2018-11-12 Arris Entpr Llc Gestión individual de memorias intermedias en transporte de video escalable.
US9769492B2 (en) * 2014-06-06 2017-09-19 Qualcomm Incorporated Conformance parameters for bitstream partitions
US20170150160A1 (en) * 2014-06-17 2017-05-25 Sharp Kabushiki Kaisha Bitstream partitions operation
US10063867B2 (en) * 2014-06-18 2018-08-28 Qualcomm Incorporated Signaling HRD parameters for bitstream partitions
US9930340B2 (en) * 2014-06-20 2018-03-27 Qualcomm Incorporated Systems and methods for selectively performing a bitstream conformance check
US10250884B2 (en) * 2014-06-20 2019-04-02 Qualcomm Incorporated Systems and methods for signaling information for layer sets in a parameter set
US10432951B2 (en) * 2014-06-24 2019-10-01 Qualcomm Incorporated Conformance and inoperability improvements in multi-layer video coding
US20160112724A1 (en) * 2014-10-15 2016-04-21 Qualcomm Incorporated Hrd descriptor and buffer model of data streams for carriage of hevc extensions
US10856023B2 (en) * 2016-04-12 2020-12-01 Sony Corporation Transmission apparatus, transmission method, reception apparatus, and reception method
CN114902682B (zh) * 2020-02-07 2025-07-08 松下电器（美国）知识产权公司 编码装置、解码装置、编码方法、解码方法及存储介质
WO2021162016A1 (ja) * 2020-02-10 2021-08-19 パナソニック インテレクチュアル プロパティ コーポレーション オブ アメリカ 符号化装置、復号装置、符号化方法、および復号方法

Non-Patent Citations (4)

* Cited by examiner, † Cited by third party
Title
BENJAMIN 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: GENE, vol. JVET-P2001-vE, JPN6021001793, 14 November 2019 (2019-11-14), pages 36 - 42, ISSN: 0005496683 *
BYEONGDOO 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: GENE, vol. JVET-P0225-v3, JPN6021001790, October 2019 (2019-10-01), pages 1 - 3, ISSN: 0005496680 *
SACHIN 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: BRUS, vol. JVET-Q0786-v2, JPN6021001792, January 2020 (2020-01-01), pages 1 - 4, ISSN: 0005496682 *
TAKAHIRO NISHI, ET AL.: "AHG9: On signalling of PTL/HRD parameters for single layer OLSs and DPB parameters for independent l", JOINT VIDEO EXPERTS TEAM (JVET) OF ITU-T SG 16 WP 3 AND ISO/IEC JTC 1/SC 29/WG 11 17TH MEETING: BRUS, vol. JVET-Q0046, JPN6021001788, 19 December 2019 (2019-12-19), pages 1 - 3, ISSN: 0005496681 *

Also Published As

Publication number Publication date
US20220303546A1 (en) 2022-09-22
CN120455698A (zh) 2025-08-08
CN120455699A (zh) 2025-08-08
US20250039462A1 (en) 2025-01-30
CN114902679B (zh) 2025-06-24
US12149745B2 (en) 2024-11-19
JP2025172138A (ja) 2025-11-20
CN120455696A (zh) 2025-08-08
WO2021117813A1 (ja) 2021-06-17
CN114902679A (zh) 2022-08-12
JP7738485B2 (ja) 2025-09-12
CN120455697A (zh) 2025-08-08

Similar Documents

Publication Publication Date Title
BR112019017762A2 (https=)
BR112021018450A2 (https=)
BR112021017892A2 (https=)
BR112021017782A2 (https=)
BR112021017939A2 (https=)
BR112021017738A2 (https=)
BR112021016996A2 (https=)
BR112021008711A2 (https=)
BR112019016141A2 (https=)
AU2020104490A5 (https=)
BR112021013944A2 (https=)
JPWO2021117813A1 (https=)
BR112021018452A2 (https=)
BR112021018102A2 (https=)
BR112019016142A2 (https=)
BR112019016138A2 (https=)
BR112021017732A2 (https=)
BR112021018168A2 (https=)
BR112021018093A2 (https=)
BR112021015080A2 (https=)
BR112021012348A2 (https=)
BR112021018250A2 (https=)
BR112021018584A2 (https=)
BR112021013128A2 (https=)
BR112021018484A2 (https=)

Legal Events

Date Code Title Description
A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20220107

A621 Written request for application examination

Free format text: JAPANESE INTERMEDIATE CODE: A621

Effective date: 20231122

A131 Notification of reasons for refusal

Free format text: JAPANESE INTERMEDIATE CODE: A131

Effective date: 20240827

A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20241126

A131 Notification of reasons for refusal

Free format text: JAPANESE INTERMEDIATE CODE: A131

Effective date: 20250107

A601 Written request for extension of time

Free format text: JAPANESE INTERMEDIATE CODE: A601

Effective date: 20250328

A601 Written request for extension of time

Free format text: JAPANESE INTERMEDIATE CODE: A601

Effective date: 20250602

A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20250703

TRDD Decision of grant or rejection written
A01 Written decision to grant a patent or to grant a registration (utility model)

Free format text: JAPANESE INTERMEDIATE CODE: A01

Effective date: 20250805

A61 First payment of annual fees (during grant procedure)

Free format text: JAPANESE INTERMEDIATE CODE: A61

Effective date: 20250902

R150 Certificate of patent or registration of utility model

Ref document number: 7738485

Country of ref document: JP

Free format text: JAPANESE INTERMEDIATE CODE: R150