EP4470212A4 - ADAPTIVE RESOLUTION ADJUSTMENT SCHEMES FOR A MOTION VECTOR DIFFERENCE - Google Patents

ADAPTIVE RESOLUTION ADJUSTMENT SCHEMES FOR A MOTION VECTOR DIFFERENCE

Info

Publication number
EP4470212A4
EP4470212A4 EP22922464.7A EP22922464A EP4470212A4 EP 4470212 A4 EP4470212 A4 EP 4470212A4 EP 22922464 A EP22922464 A EP 22922464A EP 4470212 A4 EP4470212 A4 EP 4470212A4
Authority
EP
European Patent Office
Prior art keywords
schemes
adjusting
motion vector
vector difference
adaptive resolution
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
EP22922464.7A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP4470212A1 (en
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 EP4470212A1 publication Critical patent/EP4470212A1/en
Publication of EP4470212A4 publication Critical patent/EP4470212A4/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
    • H04N19/169—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)
EP22922464.7A 2022-01-24 2022-06-03 ADAPTIVE RESOLUTION ADJUSTMENT SCHEMES FOR A MOTION VECTOR DIFFERENCE Pending EP4470212A4 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US202263302518P 2022-01-24 2022-01-24
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 (2)

Publication Number Publication Date
EP4470212A1 EP4470212A1 (en) 2024-12-04
EP4470212A4 true EP4470212A4 (en) 2025-12-03

Family

ID=87349110

Family Applications (1)

Application Number Title Priority Date Filing Date
EP22922464.7A Pending EP4470212A4 (en) 2022-01-24 2022-06-03 ADAPTIVE RESOLUTION ADJUSTMENT SCHEMES FOR A MOTION VECTOR DIFFERENCE

Country Status (7)

Country Link
EP (1) EP4470212A4 (https=)
JP (2) JP7652927B2 (https=)
KR (1) KR20230145144A (https=)
CN (2) CN116830572B (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

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20180098089A1 (en) * 2016-10-04 2018-04-05 Qualcomm Incorporated Adaptive motion vector precision for video coding
WO2020141911A1 (ko) * 2019-01-02 2020-07-09 엘지전자 주식회사 화면간 예측을 사용하여 비디오 신호를 처리하기 위한 방법 및 장치
US20210385462A1 (en) * 2019-04-25 2021-12-09 Beijing Bytedance Network Technology Co., Ltd. Restrictions on motion vector difference

Family Cites Families (4)

* 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
CN120614463A (zh) * 2018-07-02 2025-09-09 Lg电子株式会社 视频信号解码和编码方法及存储介质
JP7212150B2 (ja) 2018-09-19 2023-01-24 北京字節跳動網絡技術有限公司 適応動きベクトル解像度によるアフィンモードへの構文の使用
JP7436527B2 (ja) 2019-06-25 2024-02-21 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

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20180098089A1 (en) * 2016-10-04 2018-04-05 Qualcomm Incorporated Adaptive motion vector precision for video coding
WO2020141911A1 (ko) * 2019-01-02 2020-07-09 엘지전자 주식회사 화면간 예측을 사용하여 비디오 신호를 처리하기 위한 방법 및 장치
US20220078408A1 (en) * 2019-01-02 2022-03-10 Lg Electronics Inc. Device and method for processing video signal by using inter prediction
US20210385462A1 (en) * 2019-04-25 2021-12-09 Beijing Bytedance Network Technology Co., Ltd. Restrictions on motion vector difference

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
AN J ET AL: "Progressive MV Resolution", 6. JCT-VC MEETING; 97. MPEG MEETING; 14-7-2011 - 22-7-2011; TORINO; (JOINT COLLABORATIVE TEAM ON VIDEO CODING OF ISO/IEC JTC1/SC29/WG11 AND ITU-T SG.16 ); URL: HTTP://WFTP3.ITU.INT/AV-ARCH/JCTVC-SITE/,, no. JCTVC-F125, 1 July 2011 (2011-07-01), XP030009148 *
See also references of WO2023140884A1 *

Also Published As

Publication number Publication date
JP2024513066A (ja) 2024-03-21
JP2025094027A (ja) 2025-06-24
WO2023140884A1 (en) 2023-07-27
KR20230145144A (ko) 2023-10-17
CN116830572B (zh) 2025-05-30
JP7652927B2 (ja) 2025-03-27
CA3213660A1 (en) 2023-07-27
CN116830572A (zh) 2023-09-29
EP4470212A1 (en) 2024-12-04
CN120343239A (zh) 2025-07-18
AU2022434642A1 (en) 2023-10-19

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