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

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

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) EP4521740A3 (https=)
JP (5) JP7536785B2 (https=)
KR (2) KR102779997B1 (https=)
CN (3) CN119211526A (https=)
AU (3) AU2021257907B2 (https=)
CA (1) CA3136422A1 (https=)
SG (1) SG11202111934TA (https=)

Families Citing this family (2)

* 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
WO2026034563A1 (ja) * 2024-08-07 2026-02-12 マクセル株式会社 放送受信装置およびコンテンツ保護方法

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10045021B2 (en) * 2013-04-05 2018-08-07 Samsung Electronics Co., Ltd. Multi-layer video coding method for random access and device therefor, and multi-layer video decoding method for random access and device therefor
US9860529B2 (en) * 2013-07-16 2018-01-02 Qualcomm Incorporated Processing illumination compensation for video coding
PL3831055T3 (pl) 2018-08-17 2025-03-10 Huawei Technologies Co., Ltd. Zarządzanie obrazami odniesienia w kodowaniu wideo

Also Published As

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

Similar Documents

Publication Publication Date Title
US12382079B2 (en) Techniques for random access point indication and picture output in coded video stream
US11228776B1 (en) Method for output layer set mode in multilayered video stream
AU2020437817B2 (en) Method for output layer set for multilayered video stream
AU2023202725B2 (en) Method for picture output with output layer set
AU2025200032A1 (en) Techniques for random access point indication and picture output in coded video stream
AU2023203222B2 (en) Method for output layer set mode

Legal Events

Date Code Title Description
D15 Examination report completed

Free format text: ST27 STATUS EVENT CODE: A-2-2-D10-D15-D126 (AS PROVIDED BY THE NATIONAL OFFICE); EVENT TEXT: EXAMINER'S REPORT

Effective date: 20241011

P11 Amendment of application requested

Free format text: ST27 STATUS EVENT CODE: A-2-2-P10-P11-P100 (AS PROVIDED BY THE NATIONAL OFFICE); EVENT TEXT: AMENDMENT RECEIVED - RESPONSE TO EXAMINER'S REQUISITION

Effective date: 20250210

W00 Other event occurred

Free format text: ST27 STATUS EVENT CODE: A-2-2-W10-W00-W111 (AS PROVIDED BY THE NATIONAL OFFICE); EVENT TEXT: CORRESPONDENT DETERMINED COMPLIANT

Effective date: 20250415

MFA Maintenance fee for application paid

Free format text: FEE DESCRIPTION TEXT: MF (APPLICATION, 4TH ANNIV.) - STANDARD

Year of fee payment: 4

U00 Fee paid

Free format text: ST27 STATUS EVENT CODE: A-2-2-U10-U00-U101 (AS PROVIDED BY THE NATIONAL OFFICE); EVENT TEXT: MAINTENANCE REQUEST RECEIVED

Effective date: 20250423

U11 Full renewal or maintenance fee paid

Free format text: ST27 STATUS EVENT CODE: A-2-2-U10-U11-U102 (AS PROVIDED BY THE NATIONAL OFFICE); EVENT TEXT: MAINTENANCE FEE PAYMENT PAID IN FULL

Effective date: 20250423

P11 Amendment of application requested

Free format text: ST27 STATUS EVENT CODE: A-2-2-P10-P11-P102 (AS PROVIDED BY THE NATIONAL OFFICE); EVENT TEXT: AMENDMENT DETERMINED COMPLIANT

Effective date: 20250704

P13 Application amended

Free format text: ST27 STATUS EVENT CODE: A-2-2-P10-P13-X000 (AS PROVIDED BY THE NATIONAL OFFICE); EVENT TEXT: APPLICATION AMENDED

Effective date: 20250704

D22 Grant of ip right intended

Free format text: ST27 STATUS EVENT CODE: A-2-2-D10-D22-D128 (AS PROVIDED BY THE NATIONAL OFFICE); EVENT TEXT: ALLOWANCE REQUIREMENTS DETERMINED COMPLIANT

Effective date: 20251216

W00 Other event occurred

Free format text: ST27 STATUS EVENT CODE: A-2-2-W10-W00-W100 (AS PROVIDED BY THE NATIONAL OFFICE); EVENT TEXT: LETTER SENT

Effective date: 20260127