CA3136422A1 - Techniques for random access point indication and picture output in coded video stream - Google Patents

Techniques for random access point indication and picture output in coded video stream

Info

Publication number
CA3136422A1
CA3136422A1 CA3136422A CA3136422A CA3136422A1 CA 3136422 A1 CA3136422 A1 CA 3136422A1 CA 3136422 A CA3136422 A CA 3136422A CA 3136422 A CA3136422 A CA 3136422A CA 3136422 A1 CA3136422 A1 CA 3136422A1
Authority
CA
Canada
Prior art keywords
picture
flag
layer
equal
value
Prior art date
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.)
Pending
Application number
CA3136422A
Other languages
English (en)
French (fr)
Inventor
Byeongdoo CHOI
Stephan Wenger
Shan Liu
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Tencent America LLC
Original Assignee
Tencent America LLC
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
Priority claimed from US17/320,764 external-priority patent/US11558630B2/en
Application filed by Tencent America LLC filed Critical Tencent America LLC
Publication of CA3136422A1 publication Critical patent/CA3136422A1/en
Pending legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/102Methods 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
    • H04N19/103Selection of coding mode or of prediction mode
    • H04N19/105Selection 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
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/102Methods 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
    • H04N19/103Selection of coding mode or of prediction mode
    • H04N19/11Selection of coding mode or of prediction mode among a plurality of spatial predictive coding modes
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/134Methods 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
    • H04N19/157Assigned coding mode, i.e. the coding mode being predefined or preselected to be further used for selection of another element or parameter
    • H04N19/159Prediction type, e.g. intra-frame, inter-frame or bidirectional frame prediction
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/169Methods 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
    • H04N19/17Methods 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
    • H04N19/172Methods 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
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/169Methods 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
    • H04N19/188Methods 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
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/30Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using hierarchical techniques, e.g. scalability
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/46Embedding additional information in the video signal during the compression process
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/50Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding
    • H04N19/503Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding involving temporal prediction
    • H04N19/51Motion estimation or motion compensation
    • H04N19/573Motion compensation with multiple frame prediction using two or more reference frames in a given prediction direction
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/50Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding
    • H04N19/503Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding involving temporal prediction
    • H04N19/51Motion estimation or motion compensation
    • H04N19/58Motion compensation with long-term prediction, i.e. the reference frame for a current frame not being the temporally closest one
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/50Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding
    • H04N19/597Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding specially adapted for multi-view video sequence encoding
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/70Methods 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
CA3136422A 2020-05-20 2021-05-18 Techniques for random access point indication and picture output in coded video stream Pending CA3136422A1 (en)

Applications Claiming Priority (11)

Application Number Priority Date Filing Date Title
US202063027826P 2020-05-20 2020-05-20
US63/027,826 2020-05-20
US202063035274P 2020-06-05 2020-06-05
US63/035,274 2020-06-05
US202063036335P 2020-06-08 2020-06-08
US63/036,335 2020-06-08
US202063037903P 2020-06-11 2020-06-11
US63/037,903 2020-06-11
US17/320,764 US11558630B2 (en) 2020-05-20 2021-05-14 Techniques for random access point indication and picture output in coded video stream
US17/320,764 2021-05-14
PCT/US2021/032924 WO2021236610A1 (en) 2020-05-20 2021-05-18 Techniques for random access point indication and picture output in coded video stream

Publications (1)

Publication Number Publication Date
CA3136422A1 true CA3136422A1 (en) 2021-11-20

Family

ID=78611095

Family Applications (1)

Application Number Title Priority Date Filing Date
CA3136422A Pending CA3136422A1 (en) 2020-05-20 2021-05-18 Techniques for random access point indication and picture output in coded video stream

Country Status (7)

Country Link
EP (2) EP3942802B1 (enrdf_load_stackoverflow)
JP (5) JP7536785B2 (enrdf_load_stackoverflow)
KR (2) KR102779997B1 (enrdf_load_stackoverflow)
CN (3) CN119211526A (enrdf_load_stackoverflow)
AU (3) AU2021257907B2 (enrdf_load_stackoverflow)
CA (1) CA3136422A1 (enrdf_load_stackoverflow)
SG (1) SG11202111934TA (enrdf_load_stackoverflow)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2024222847A1 (en) * 2023-04-28 2024-10-31 Douyin Vision Co., Ltd. Limitation for temporal reference in gdr based video coding

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR102290421B1 (ko) 2013-04-05 2021-08-17 삼성전자주식회사 랜덤 엑세스를 위한 멀티 레이어 비디오 부호화 방법 및 그 장치, 랜덤 엑세스를 위한 멀티 레이어 비디오 복호화 방법 및 그 장치
US9860529B2 (en) * 2013-07-16 2018-01-02 Qualcomm Incorporated Processing illumination compensation for video coding
KR102610089B1 (ko) 2018-08-17 2023-12-04 후아웨이 테크놀러지 컴퍼니 리미티드 비디오 코딩의 참조 픽처 관리

Also Published As

Publication number Publication date
EP3942802C0 (en) 2025-03-05
EP3942802B1 (en) 2025-03-05
JP7536785B2 (ja) 2024-08-20
JP2024152789A (ja) 2024-10-25
EP3942802A1 (en) 2022-01-26
AU2021257907A1 (en) 2021-12-09
CN114287132A (zh) 2022-04-05
EP4521740A2 (en) 2025-03-12
JP7701526B2 (ja) 2025-07-01
JP2024009265A (ja) 2024-01-19
KR20250039498A (ko) 2025-03-20
JP2022537244A (ja) 2022-08-25
KR20220003091A (ko) 2022-01-07
EP3942802A4 (en) 2022-10-05
SG11202111934TA (en) 2021-12-30
AU2023204353A1 (en) 2023-07-27
JP7633362B2 (ja) 2025-02-19
CN114287132B (zh) 2024-07-23
JP2025065343A (ja) 2025-04-17
AU2025200032A1 (en) 2025-01-23
EP4521740A3 (en) 2025-05-14
CN119211526A (zh) 2024-12-27
AU2023204353B2 (en) 2024-10-03
JP2025126215A (ja) 2025-08-28
KR102779997B1 (ko) 2025-03-12
AU2021257907B2 (en) 2023-04-06
CN119211525A (zh) 2024-12-27

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