GB2617568B - Video coding and decoding - Google Patents

Video coding and decoding

Info

Publication number
GB2617568B
GB2617568B GB2205318.5A GB202205318A GB2617568B GB 2617568 B GB2617568 B GB 2617568B GB 202205318 A GB202205318 A GB 202205318A GB 2617568 B GB2617568 B GB 2617568B
Authority
GB
United Kingdom
Prior art keywords
decoding
video coding
coding
video
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.)
Active
Application number
GB2205318.5A
Other languages
English (en)
Other versions
GB2617568A (en
GB202205318D0 (en
Inventor
Laroche Guillaume
Onno Patrice
Bellessort Romain
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.)
Canon Inc
Original Assignee
Canon Inc
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
Application filed by Canon Inc filed Critical Canon Inc
Priority to GB2205318.5A priority Critical patent/GB2617568B/en
Publication of GB202205318D0 publication Critical patent/GB202205318D0/en
Priority to CN202380033208.0A priority patent/CN119013966A/zh
Priority to JP2024550328A priority patent/JP2025510514A/ja
Priority to PCT/EP2023/059429 priority patent/WO2023198701A2/en
Priority to US18/855,522 priority patent/US20250240445A1/en
Publication of GB2617568A publication Critical patent/GB2617568A/en
Application granted granted Critical
Publication of GB2617568B publication Critical patent/GB2617568B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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
    • H04N19/50—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
    • H04N19/52—Processing of motion vectors by encoding by predictive 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
    • H04N19/10—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
    • H04N19/46—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

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
GB2205318.5A 2022-04-11 2022-04-11 Video coding and decoding Active GB2617568B (en)

Priority Applications (5)

Application Number Priority Date Filing Date Title
GB2205318.5A GB2617568B (en) 2022-04-11 2022-04-11 Video coding and decoding
CN202380033208.0A CN119013966A (zh) 2022-04-11 2023-04-11 视频编码和解码
JP2024550328A JP2025510514A (ja) 2022-04-11 2023-04-11 ビデオの符号化と復号
PCT/EP2023/059429 WO2023198701A2 (en) 2022-04-11 2023-04-11 Video coding and decoding
US18/855,522 US20250240445A1 (en) 2022-04-11 2023-04-11 Video coding and decoding

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB2205318.5A GB2617568B (en) 2022-04-11 2022-04-11 Video coding and decoding

Publications (3)

Publication Number Publication Date
GB202205318D0 GB202205318D0 (en) 2022-05-25
GB2617568A GB2617568A (en) 2023-10-18
GB2617568B true GB2617568B (en) 2026-08-12

Family

ID=81653135

Family Applications (1)

Application Number Title Priority Date Filing Date
GB2205318.5A Active GB2617568B (en) 2022-04-11 2022-04-11 Video coding and decoding

Country Status (5)

Country Link
US (1) US20250240445A1 (enExample)
JP (1) JP2025510514A (enExample)
CN (1) CN119013966A (enExample)
GB (1) GB2617568B (enExample)
WO (1) WO2023198701A2 (enExample)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2025149344A1 (en) * 2024-01-09 2025-07-17 Interdigital Ce Patent Holdings, Sas Mmvd candidates list for dmvr candidates
WO2026153487A1 (en) * 2025-01-17 2026-07-23 Mediatek Inc. Method and apparatus of mv field derivation based on temporal motion vectors and tmvp refinement in video coding systems

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9357214B2 (en) * 2012-12-07 2016-05-31 Qualcomm Incorporated Advanced merge/skip mode and advanced motion vector prediction (AMVP) mode for 3D video
CN108293131B (zh) * 2015-11-20 2021-08-31 联发科技股份有限公司 基于优先级运动矢量预测子推导的方法及装置
CN110574377B (zh) * 2017-05-10 2021-12-28 联发科技股份有限公司 用于视频编解码的重新排序运动向量预测候选集的方法及装置
EP3451665A1 (en) * 2017-09-01 2019-03-06 Thomson Licensing Refinement of internal sub-blocks of a coding unit
US11070797B2 (en) * 2017-11-27 2021-07-20 Lg Electronics Inc. Image decoding method and apparatus based on inter prediction in image coding system
WO2019107916A1 (ko) * 2017-11-30 2019-06-06 엘지전자 주식회사 영상 코딩 시스템에서 인터 예측에 따른 영상 디코딩 방법 및 장치
WO2019194499A1 (ko) * 2018-04-01 2019-10-10 엘지전자 주식회사 인터 예측 모드 기반 영상 처리 방법 및 이를 위한 장치
WO2020004931A1 (ko) * 2018-06-27 2020-01-02 엘지전자 주식회사 영상 코딩 시스템에서 인터 예측에 따른 영상 처리 방법 및 장치
US10863193B2 (en) * 2018-06-29 2020-12-08 Qualcomm Incorporated Buffer restriction during motion vector prediction for video coding
US10911768B2 (en) * 2018-07-11 2021-02-02 Tencent America LLC Constraint for template matching in decoder side motion derivation and refinement
US11477437B2 (en) * 2021-01-28 2022-10-18 Lemon Inc. Coding of motion information
WO2022214097A1 (en) * 2021-04-09 2022-10-13 Beijing Bytedance Network Technology Co., Ltd. Method, device, and medium for video processing
CN117178551A (zh) * 2021-04-10 2023-12-05 北京字节跳动网络技术有限公司 用于视频处理的方法、设备和介质
US12587670B2 (en) * 2021-09-29 2026-03-24 Canon Kabushiki Kaisha Video coding and decoding
WO2023072287A1 (en) * 2021-10-29 2023-05-04 Beijing Bytedance Network Technology Co., Ltd. Method, apparatus, and medium for video processing

Also Published As

Publication number Publication date
GB2617568A (en) 2023-10-18
WO2023198701A2 (en) 2023-10-19
US20250240445A1 (en) 2025-07-24
GB202205318D0 (en) 2022-05-25
JP2025510514A (ja) 2025-04-15
WO2023198701A3 (en) 2023-11-23
CN119013966A (zh) 2024-11-22