CA3213660A1 - 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
CA3213660A1
CA3213660A1 CA3213660A CA3213660A CA3213660A1 CA 3213660 A1 CA3213660 A1 CA 3213660A1 CA 3213660 A CA3213660 A CA 3213660A CA 3213660 A CA3213660 A CA 3213660A CA 3213660 A1 CA3213660 A1 CA 3213660A1
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CA
Canada
Prior art keywords
mvd
block
pixel
video
prediction
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
CA3213660A
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English (en)
French (fr)
Inventor
Liang Zhao
Xin Zhao
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 US17/824,193 external-priority patent/US12192473B2/en
Application filed by Tencent America LLC filed Critical Tencent America LLC
Publication of CA3213660A1 publication Critical patent/CA3213660A1/en
Pending legal-status Critical Current

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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
    • H04N19/169—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

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
CA3213660A 2022-01-24 2022-06-03 Schemes for adjusting adaptive resolution for motion vector difference Pending CA3213660A1 (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
CA3213660A1 true CA3213660A1 (en) 2023-07-27

Family

ID=87349110

Family Applications (1)

Application Number Title Priority Date Filing Date
CA3213660A Pending CA3213660A1 (en) 2022-01-24 2022-06-03 Schemes for adjusting adaptive resolution for motion vector difference

Country Status (7)

Country Link
EP (1) EP4470212A4 (enExample)
JP (2) JP7652927B2 (enExample)
KR (1) KR20230145144A (enExample)
CN (2) CN116830572B (enExample)
AU (1) AU2022434642A1 (enExample)
CA (1) CA3213660A1 (enExample)
WO (1) WO2023140884A1 (enExample)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US12382057B2 (en) * 2021-10-21 2025-08-05 Tencent America LLC Interdependence between adaptive resolution of motion vector difference and signaling/derivation of motion vector-related parameters
WO2025096760A1 (en) * 2023-10-31 2025-05-08 Google Llc Motion vector coding based on precision adaptive codebooks

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20120201293A1 (en) * 2009-10-14 2012-08-09 Guo Liwei Methods and apparatus for adaptive coding of motion information
US10531116B2 (en) * 2014-01-09 2020-01-07 Qualcomm Incorporated Adaptive motion vector resolution signaling for video coding
EP3355582B1 (en) * 2015-09-24 2021-04-28 LG Electronics Inc. Amvr-based image coding method and apparatus in image coding system
US10979732B2 (en) * 2016-10-04 2021-04-13 Qualcomm Incorporated Adaptive motion vector precision for video coding
TWI731345B (zh) * 2018-06-19 2021-06-21 大陸商北京字節跳動網絡技術有限公司 模式相依運動向量差精確集
KR20250030035A (ko) * 2018-07-02 2025-03-05 엘지전자 주식회사 어파인 예측을 이용하여 비디오 신호를 처리하기 위한 방법 및 장치
TWI827681B (zh) * 2018-09-19 2024-01-01 大陸商北京字節跳動網絡技術有限公司 具有自適應運動矢量分辨率的仿射模式的語法重用
US11758125B2 (en) * 2019-01-02 2023-09-12 Lg Electronics Inc. Device and method for processing video signal by using inter prediction
CN117676134A (zh) * 2019-04-25 2024-03-08 北京字节跳动网络技术有限公司 对运动矢量差的约束
EP3973705A4 (en) * 2019-06-25 2022-09-28 Beijing Bytedance Network Technology Co., Ltd. RESTRICTIONS ON DIFFERENCE BETWEEN MOVEMENT VECTORS
CN119732052A (zh) * 2020-05-01 2025-03-28 抖音视界有限公司 用于运动精度语法的熵编解码

Also Published As

Publication number Publication date
JP2025094027A (ja) 2025-06-24
CN116830572A (zh) 2023-09-29
CN116830572B (zh) 2025-05-30
JP7652927B2 (ja) 2025-03-27
JP2024513066A (ja) 2024-03-21
AU2022434642A1 (en) 2023-10-19
WO2023140884A1 (en) 2023-07-27
EP4470212A1 (en) 2024-12-04
CN120343239A (zh) 2025-07-18
EP4470212A4 (en) 2025-12-03
KR20230145144A (ko) 2023-10-17

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