AU2022434642A1 - Schemes for adjusting adaptive resolution for motion vector difference - Google Patents

Schemes for adjusting adaptive resolution for motion vector difference Download PDF

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Publication number
AU2022434642A1
AU2022434642A1 AU2022434642A AU2022434642A AU2022434642A1 AU 2022434642 A1 AU2022434642 A1 AU 2022434642A1 AU 2022434642 A AU2022434642 A AU 2022434642A AU 2022434642 A AU2022434642 A AU 2022434642A AU 2022434642 A1 AU2022434642 A1 AU 2022434642A1
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AU
Australia
Prior art keywords
mvd
block
pixel
video
coding
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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
AU2022434642A
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English (en)
Inventor
Shan Liu
Liang Zhao
Xin Zhao
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Tencent America LLC
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Tencent America LLC
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Filing date
Publication date
Priority claimed from US17/824,193 external-priority patent/US12192473B2/en
Application filed by Tencent America LLC filed Critical Tencent America LLC
Publication of AU2022434642A1 publication Critical patent/AU2022434642A1/en
Pending legal-status Critical Current

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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
    • H04N19/10—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
    • H04N19/169—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
    • H04N19/176—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 block, e.g. a macroblock
    • 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
    • H04N19/513—Processing of motion vectors
    • 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
    • H04N19/513—Processing of motion vectors
    • H04N19/517—Processing of motion vectors by 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
    • H04N19/50—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
    • H04N19/523—Motion estimation or motion compensation with sub-pixel accuracy
    • 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
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/90—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using coding techniques not provided for in groups H04N19/10-H04N19/85, e.g. fractals
    • H04N19/91—Entropy coding, e.g. variable length coding [VLC] or arithmetic coding

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  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
AU2022434642A 2022-01-24 2022-06-03 Schemes for adjusting adaptive resolution for motion vector difference Pending AU2022434642A1 (en)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
US202263302518P 2022-01-24 2022-01-24
US63/302,518 2022-01-24
US17/824,193 2022-05-25
US17/824,193 US12192473B2 (en) 2021-10-21 2022-05-25 Schemes for adjusting adaptive resolution for motion vector difference
PCT/US2022/032077 WO2023140884A1 (en) 2022-01-24 2022-06-03 Schemes for adjusting adaptive resolution for motion vector difference

Publications (1)

Publication Number Publication Date
AU2022434642A1 true AU2022434642A1 (en) 2023-10-19

Family

ID=87349110

Family Applications (1)

Application Number Title Priority Date Filing Date
AU2022434642A Pending AU2022434642A1 (en) 2022-01-24 2022-06-03 Schemes for adjusting adaptive resolution for motion vector difference

Country Status (7)

Country Link
EP (1) EP4470212A4 (https=)
JP (2) JP7652927B2 (https=)
KR (1) KR20230145144A (https=)
CN (2) CN120343239A (https=)
AU (1) AU2022434642A1 (https=)
CA (1) CA3213660A1 (https=)
WO (1) WO2023140884A1 (https=)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US12155839B2 (en) 2021-10-21 2024-11-26 Tencent America LLC Adaptive resolution for single-reference motion vector difference
WO2025096760A1 (en) * 2023-10-31 2025-05-08 Google Llc Motion vector coding based on precision adaptive codebooks

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2011046587A1 (en) * 2009-10-14 2011-04-21 Thomson Licensing Methods and apparatus for adaptive coding of motion information
US10979732B2 (en) 2016-10-04 2021-04-13 Qualcomm Incorporated Adaptive motion vector precision for video coding
WO2020009449A1 (ko) * 2018-07-02 2020-01-09 엘지전자 주식회사 어파인 예측을 이용하여 비디오 신호를 처리하기 위한 방법 및 장치
KR102635047B1 (ko) 2018-09-19 2024-02-07 베이징 바이트댄스 네트워크 테크놀로지 컴퍼니, 리미티드 적응적 움직임 벡터 해상도를 가지는 어파인 모드에 대한 구문 재사용
WO2020141911A1 (ko) * 2019-01-02 2020-07-09 엘지전자 주식회사 화면간 예측을 사용하여 비디오 신호를 처리하기 위한 방법 및 장치
JP7303329B2 (ja) * 2019-04-25 2023-07-04 北京字節跳動網絡技術有限公司 動きベクトルの差に関する制限
WO2020259681A1 (en) * 2019-06-25 2020-12-30 Beijing Bytedance Network Technology Co., Ltd. Restrictions on motion vector difference

Also Published As

Publication number Publication date
EP4470212A4 (en) 2025-12-03
CA3213660A1 (en) 2023-07-27
KR20230145144A (ko) 2023-10-17
CN116830572A (zh) 2023-09-29
EP4470212A1 (en) 2024-12-04
CN116830572B (zh) 2025-05-30
JP2025094027A (ja) 2025-06-24
CN120343239A (zh) 2025-07-18
JP2024513066A (ja) 2024-03-21
JP7652927B2 (ja) 2025-03-27
WO2023140884A1 (en) 2023-07-27

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