KR20220146494A - 비디오 코딩에서 코딩된 비디오 시퀀스 시작 액세스 유닛 - Google Patents

비디오 코딩에서 코딩된 비디오 시퀀스 시작 액세스 유닛 Download PDF

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KR20220146494A
KR20220146494A KR1020227030612A KR20227030612A KR20220146494A KR 20220146494 A KR20220146494 A KR 20220146494A KR 1020227030612 A KR1020227030612 A KR 1020227030612A KR 20227030612 A KR20227030612 A KR 20227030612A KR 20220146494 A KR20220146494 A KR 20220146494A
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South Korea
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picture
layers
sub
output
layer
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Korean (ko)
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바딤 세레긴
용 헤
무하메드 제이드 코반
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퀄컴 인코포레이티드
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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)
KR1020227030612A 2020-03-10 2021-03-10 비디오 코딩에서 코딩된 비디오 시퀀스 시작 액세스 유닛 Pending KR20220146494A (ko)

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 (1)

Publication Number Publication Date
KR20220146494A true KR20220146494A (ko) 2022-11-01

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KR1020227030612A Pending KR20220146494A (ko) 2020-03-10 2021-03-10 비디오 코딩에서 코딩된 비디오 시퀀스 시작 액세스 유닛

Country Status (9)

Country Link
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)

* Cited by examiner, † Cited by third party
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

Family Cites Families (7)

* 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
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
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
US9930340B2 (en) 2014-06-20 2018-03-27 Qualcomm Incorporated Systems and methods for selectively performing a bitstream conformance check

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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
JP7637693B2 (ja) 2025-02-28
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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