BR112022017383A2 - Unidade de acesso de início de sequência de vídeo codificado em codificação de vídeo - Google Patents

Unidade de acesso de início de sequência de vídeo codificado em codificação de vídeo

Info

Publication number
BR112022017383A2
BR112022017383A2 BR112022017383A BR112022017383A BR112022017383A2 BR 112022017383 A2 BR112022017383 A2 BR 112022017383A2 BR 112022017383 A BR112022017383 A BR 112022017383A BR 112022017383 A BR112022017383 A BR 112022017383A BR 112022017383 A2 BR112022017383 A2 BR 112022017383A2
Authority
BR
Brazil
Prior art keywords
video
layers
access unit
subpicture
sequence encoded
Prior art date
Application number
BR112022017383A
Other languages
English (en)
Portuguese (pt)
Inventor
Seregin Vadim
He Yong
Zeyd Coban Muhammed
Original Assignee
Qualcomm Inc
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 by Qualcomm Inc filed Critical Qualcomm Inc
Publication of BR112022017383A2 publication Critical patent/BR112022017383A2/pt

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
    • H04N19/30—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

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
BR112022017383A 2020-03-10 2021-03-10 Unidade de acesso de início de sequência de vídeo codificado em codificação de vídeo BR112022017383A2 (pt)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
US202062987765P 2020-03-10 2020-03-10
US202063004241P 2020-04-02 2020-04-02
US202063009230P 2020-04-13 2020-04-13
US17/196,444 US11546623B2 (en) 2020-03-10 2021-03-09 Coded video sequence start access unit in video coding
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
BR112022017383A2 true BR112022017383A2 (pt) 2022-10-18

Family

ID=77663887

Family Applications (1)

Application Number Title Priority Date Filing Date
BR112022017383A BR112022017383A2 (pt) 2020-03-10 2021-03-10 Unidade de acesso de início de sequência de vídeo codificado em codificação de vídeo

Country Status (9)

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

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
EP4156687A4 (en) * 2020-05-18 2024-04-10 LG Electronics, Inc. IMAGE DECODING METHOD AND DEVICE THEREFOR
KR20230013051A (ko) * 2020-05-22 2023-01-26 바이트댄스 아이엔씨 코딩된 비디오의 nal 유닛의 순서
WO2021252978A1 (en) * 2020-06-12 2021-12-16 Bytedance Inc. Constraints on picture output ordering in a video bitstream

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
EP3020186B1 (en) * 2013-07-09 2022-12-07 Nokia Technologies Oy 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
US20170134742A1 (en) * 2014-06-18 2017-05-11 Sharp Kabushiki Kaisha Slice type and decoder conformance
US9930340B2 (en) * 2014-06-20 2018-03-27 Qualcomm Incorporated Systems and methods for selectively performing a bitstream conformance check

Also Published As

Publication number Publication date
WO2021183654A1 (en) 2021-09-16
JP7637693B2 (ja) 2025-02-28
PH12022551894A1 (en) 2023-10-23
KR20220146494A (ko) 2022-11-01
TW202143722A (zh) 2021-11-16
JP2023517892A (ja) 2023-04-27
US20210289219A1 (en) 2021-09-16
EP4118828A1 (en) 2023-01-18
CN115280776A (zh) 2022-11-01
CN115280776B (zh) 2025-09-26
TWI875981B (zh) 2025-03-11
US11546623B2 (en) 2023-01-03

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