KR20250088789A - 출력 계층 세트 모드에 대한 방법 - Google Patents

출력 계층 세트 모드에 대한 방법 Download PDF

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Publication number
KR20250088789A
KR20250088789A KR1020257019106A KR20257019106A KR20250088789A KR 20250088789 A KR20250088789 A KR 20250088789A KR 1020257019106 A KR1020257019106 A KR 1020257019106A KR 20257019106 A KR20257019106 A KR 20257019106A KR 20250088789 A KR20250088789 A KR 20250088789A
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South Korea
Prior art keywords
picture
layer
sub
coded
video
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Pending
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KR1020257019106A
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English (en)
Korean (ko)
Inventor
병두 최
샨 리우
스테판 웽거
Original Assignee
텐센트 아메리카 엘엘씨
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Publication of KR20250088789A publication Critical patent/KR20250088789A/ko
Pending legal-status Critical Current

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    • 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
    • H04N19/127Prioritisation of hardware or computational resources
    • 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
    • H04N19/136Incoming video signal characteristics or properties
    • H04N19/137Motion inside a coding unit, e.g. average field, frame or block difference
    • H04N19/139Analysis of motion vectors, e.g. their magnitude, direction, variance or reliability
    • 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
    • H04N19/189Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the adaptation method, adaptation tool or adaptation type used for the adaptive coding
    • 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
    • H04N19/189Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the adaptation method, adaptation tool or adaptation type used for the adaptive coding
    • H04N19/196Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the adaptation method, adaptation tool or adaptation type used for the adaptive coding being specially adapted for the computation of encoding parameters, e.g. by averaging previously computed encoding parameters
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/42Methods or arrangements for coding, decoding, compressing or decompressing digital video signals characterised by implementation details or hardware specially adapted for video compression or decompression, e.g. dedicated software implementation
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/44Decoders specially adapted therefor, e.g. video decoders which are asymmetric with respect to the encoder
    • 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
    • H04N19/513Processing of motion vectors
    • 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
    • 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

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  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Computing Systems (AREA)
  • Theoretical Computer Science (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
  • Image Processing (AREA)
KR1020257019106A 2020-03-31 2021-02-15 출력 계층 세트 모드에 대한 방법 Pending KR20250088789A (ko)

Applications Claiming Priority (6)

Application Number Priority Date Filing Date Title
US202063003112P 2020-03-31 2020-03-31
US63/003,112 2020-03-31
US17/087,865 US11722656B2 (en) 2020-03-31 2020-11-03 Method for output layer set mode
US17/087,865 2020-11-03
KR1020217035680A KR102820410B1 (ko) 2020-03-31 2021-02-15 출력 계층 세트 모드에 대한 방법
PCT/US2021/018099 WO2021202000A1 (en) 2020-03-31 2021-02-15 Method for output layer set mode

Related Parent Applications (1)

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KR1020217035680A Division KR102820410B1 (ko) 2020-03-31 2021-02-15 출력 계층 세트 모드에 대한 방법

Publications (1)

Publication Number Publication Date
KR20250088789A true KR20250088789A (ko) 2025-06-17

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KR1020257019106A Pending KR20250088789A (ko) 2020-03-31 2021-02-15 출력 계층 세트 모드에 대한 방법
KR1020217035680A Active KR102820410B1 (ko) 2020-03-31 2021-02-15 출력 계층 세트 모드에 대한 방법

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Country Status (9)

Country Link
US (3) US11722656B2 (https=)
EP (2) EP3939168B1 (https=)
JP (3) JP7551225B2 (https=)
KR (2) KR20250088789A (https=)
CN (2) CN114270715B (https=)
AU (3) AU2021249201B2 (https=)
CA (1) CA3137815A1 (https=)
SG (1) SG11202111749RA (https=)
WO (1) WO2021202000A1 (https=)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
US12335461B2 (en) * 2020-04-16 2025-06-17 Lg Electronics Inc. Image coding method based on information included in picture header in video or image coding system

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BRPI0718206B1 (pt) 2006-10-16 2020-10-27 Nokia Technologies Oy método para codificar uma pluralidade de visões de uma cena; método de codificação de uma sequência de bits de vídeo codificada e aparelho
US20140301463A1 (en) 2013-04-05 2014-10-09 Nokia Corporation Method and apparatus for video coding and decoding
WO2015056182A2 (en) 2013-10-15 2015-04-23 Nokia Technologies Oy Video encoding and decoding
CN106105220B (zh) 2014-01-07 2019-07-05 诺基亚技术有限公司 用于视频编码和解码的方法和装置
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

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Publication number Publication date
US12095985B2 (en) 2024-09-17
AU2021249201A1 (en) 2021-11-25
EP4614978A3 (en) 2025-11-19
US20230388487A1 (en) 2023-11-30
CN119135885A (zh) 2024-12-13
EP4614978A2 (en) 2025-09-10
AU2021249201B2 (en) 2023-02-23
CN114270715B (zh) 2024-07-23
WO2021202000A1 (en) 2021-10-07
JP7551225B2 (ja) 2024-09-17
KR102820410B1 (ko) 2025-06-16
AU2023203222A1 (en) 2023-06-15
US11722656B2 (en) 2023-08-08
JP2025156439A (ja) 2025-10-14
SG11202111749RA (en) 2021-11-29
EP3939168C0 (en) 2025-08-27
EP3939168B1 (en) 2025-08-27
CA3137815A1 (en) 2021-10-07
US20210314558A1 (en) 2021-10-07
US20240414322A1 (en) 2024-12-12
KR20210144879A (ko) 2021-11-30
CN114270715A (zh) 2022-04-01
EP3939168A1 (en) 2022-01-19
AU2023203222B2 (en) 2025-05-08
JP2022531117A (ja) 2022-07-06
JP7723044B2 (ja) 2025-08-13
AU2025213683A1 (en) 2025-08-28
EP3939168A4 (en) 2022-07-20
JP2023129535A (ja) 2023-09-14

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