JP7637693B2 - ビデオコーディングにおけるコード化ビデオシーケンス開始アクセスユニット - Google Patents

ビデオコーディングにおけるコード化ビデオシーケンス開始アクセスユニット Download PDF

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JP7637693B2
JP7637693B2 JP2022553099A JP2022553099A JP7637693B2 JP 7637693 B2 JP7637693 B2 JP 7637693B2 JP 2022553099 A JP2022553099 A JP 2022553099A JP 2022553099 A JP2022553099 A JP 2022553099A JP 7637693 B2 JP7637693 B2 JP 7637693B2
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layers
picture
output
video
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JPWO2021183654A5 (https=
JP2023517892A (ja
JP2023517892A5 (https=
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セレジン、バディム
ホー、ヨン
コバン、ムハンメド・ゼイド
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Qualcomm Inc
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Qualcomm Inc
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    • 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
    • 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
    • H04N19/187—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 scalable video layer
    • 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
    • H04N19/44—Decoders specially adapted therefor, e.g. video decoders which are asymmetric with respect to the encoder
    • 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
    • H04N19/60—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding
    • H04N19/61—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding in combination with predictive coding
    • 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
    • H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/20—Servers specifically adapted for the distribution of content, e.g. VOD servers; Operations thereof
    • H04N21/23—Processing of content or additional data; Elementary server operations; Server middleware
    • H04N21/234—Processing of video elementary streams, e.g. splicing of video streams or manipulating encoded video stream scene graphs
    • H04N21/2343—Processing of video elementary streams, e.g. splicing of video streams or manipulating encoded video stream scene graphs involving reformatting operations of video signals for distribution or compliance with end-user requests or end-user device requirements
    • H04N21/234327—Processing of video elementary streams, e.g. splicing of video streams or manipulating encoded video stream scene graphs involving reformatting operations of video signals for distribution or compliance with end-user requests or end-user device requirements by decomposing into layers, e.g. base layer and one or more enhancement layers
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
    • H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
    • H04N21/44—Processing of video elementary streams, e.g. splicing a video clip retrieved from local storage with an incoming video stream or rendering scenes according to encoded video stream scene graphs
    • H04N21/4402—Processing of video elementary streams, e.g. splicing a video clip retrieved from local storage with an incoming video stream or rendering scenes according to encoded video stream scene graphs involving reformatting operations of video signals for household redistribution, storage or real-time display
    • H04N21/440227—Processing of video elementary streams, e.g. splicing a video clip retrieved from local storage with an incoming video stream or rendering scenes according to encoded video stream scene graphs involving reformatting operations of video signals for household redistribution, storage or real-time display by decomposing into layers, e.g. base layer and one or more enhancement layers

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  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
JP2022553099A 2020-03-10 2021-03-10 ビデオコーディングにおけるコード化ビデオシーケンス開始アクセスユニット Active JP7637693B2 (ja)

Applications Claiming Priority (9)

Application Number Priority Date Filing Date Title
US202062987765P 2020-03-10 2020-03-10
US62/987,765 2020-03-10
US202063004241P 2020-04-02 2020-04-02
US63/004,241 2020-04-02
US202063009230P 2020-04-13 2020-04-13
US63/009,230 2020-04-13
US17/196,444 US11546623B2 (en) 2020-03-10 2021-03-09 Coded video sequence start access unit in video coding
US17/196,444 2021-03-09
PCT/US2021/021720 WO2021183654A1 (en) 2020-03-10 2021-03-10 Coded video sequence start access unit in video coding

Publications (4)

Publication Number Publication Date
JP2023517892A JP2023517892A (ja) 2023-04-27
JPWO2021183654A5 JPWO2021183654A5 (https=) 2024-02-26
JP2023517892A5 JP2023517892A5 (https=) 2024-02-26
JP7637693B2 true JP7637693B2 (ja) 2025-02-28

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JP2022553099A Active JP7637693B2 (ja) 2020-03-10 2021-03-10 ビデオコーディングにおけるコード化ビデオシーケンス開始アクセスユニット

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US (1) US11546623B2 (https=)
EP (1) EP4118828A1 (https=)
JP (1) JP7637693B2 (https=)
KR (1) KR20220146494A (https=)
CN (1) CN115280776B (https=)
BR (1) BR112022017383A2 (https=)
PH (1) PH12022551894A1 (https=)
TW (1) TWI875981B (https=)
WO (1) WO2021183654A1 (https=)

Families Citing this family (5)

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Publication number Priority date Publication date Assignee Title
US11228776B1 (en) * 2020-03-27 2022-01-18 Tencent America LLC Method for output layer set mode in multilayered video stream
KR20260037179A (ko) * 2020-03-30 2026-03-17 엘지전자 주식회사 Sps 내 ptl, dpb 및 hrd 관련 정보를 시그널링하는 영상 부호화/복호화 방법, 장치 및 비트스트림을 저장한 컴퓨터 판독 가능한 기록 매체
WO2021235740A1 (ko) * 2020-05-18 2021-11-25 엘지전자 주식회사 영상 디코딩 방법 및 그 장치
WO2021237129A1 (en) * 2020-05-22 2021-11-25 Bytedance Inc. Indication of end of sequence in coded video
JP7513764B2 (ja) 2020-06-12 2024-07-09 バイトダンス インコーポレイテッド マルチレイヤビデオコーディングのピクチャヘッダ制約

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2015195543A (ja) 2014-03-26 2015-11-05 シャープ株式会社 画像復号装置、画像符号化装置
WO2015195908A1 (en) 2014-06-20 2015-12-23 Qualcomm Incorporated Systems and methods for constraining representation format parameters for a parameter set

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2013067687A1 (en) 2011-11-08 2013-05-16 Mediatek Singapore Pte. Ltd. Residue quad tree depth for chroma components
US9762903B2 (en) * 2012-06-01 2017-09-12 Qualcomm Incorporated External pictures in video coding
US9591321B2 (en) * 2013-04-07 2017-03-07 Dolby International Ab Signaling change in output layer sets
WO2015004606A1 (en) * 2013-07-09 2015-01-15 Nokia Corporation Method and apparatus for video coding involving syntax for signalling motion information
JP2017522792A (ja) * 2014-06-18 2017-08-10 シャープ株式会社 スライス・タイプおよびデコーダ適合性

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2015195543A (ja) 2014-03-26 2015-11-05 シャープ株式会社 画像復号装置、画像符号化装置
WO2015195908A1 (en) 2014-06-20 2015-12-23 Qualcomm Incorporated Systems and methods for constraining representation format parameters for a parameter set
JP2017523678A (ja) 2014-06-20 2017-08-17 クアルコム，インコーポレイテッド パラメータセットのための表現フォーマットパラメータを制約するためのシステムおよび方法

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Publication number Publication date
JP2023517892A (ja) 2023-04-27
WO2021183654A1 (en) 2021-09-16
TWI875981B (zh) 2025-03-11
PH12022551894A1 (en) 2023-10-23
BR112022017383A2 (pt) 2022-10-18
TW202143722A (zh) 2021-11-16
KR20220146494A (ko) 2022-11-01
CN115280776A (zh) 2022-11-01
CN115280776B (zh) 2025-09-26
US20210289219A1 (en) 2021-09-16
EP4118828A1 (en) 2023-01-18
US11546623B2 (en) 2023-01-03

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