JP2025510535A - データの符号化と復号 - Google Patents

データの符号化と復号 Download PDF

Info

Publication number
JP2025510535A
JP2025510535A JP2024551655A JP2024551655A JP2025510535A JP 2025510535 A JP2025510535 A JP 2025510535A JP 2024551655 A JP2024551655 A JP 2024551655A JP 2024551655 A JP2024551655 A JP 2024551655A JP 2025510535 A JP2025510535 A JP 2025510535A
Authority
JP
Japan
Prior art keywords
list
cost
candidates
predictor
threshold
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
JP2024551655A
Other languages
English (en)
Japanese (ja)
Other versions
JP2025510535A5 (enExample
Inventor
ギローム ラロシュ，
パトリス オンノ，
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
Priority claimed from GB2205319.3A external-priority patent/GB2617569B/en
Application filed by Canon Inc filed Critical Canon Inc
Publication of JP2025510535A publication Critical patent/JP2025510535A/ja
Publication of JP2025510535A5 publication Critical patent/JP2025510535A5/ja
Pending legal-status Critical Current

Links

Images

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
    • H04N19/102—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
    • H04N19/107—Selection of coding mode or of prediction mode between spatial and temporal predictive coding, e.g. picture refresh
    • 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
    • H04N19/134—Methods 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
    • H04N19/136—Incoming video signal characteristics or properties
    • H04N19/137—Motion inside a coding unit, e.g. average field, frame or block difference
    • 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
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
JP2024551655A 2022-04-11 2023-04-11 データの符号化と復号 Pending JP2025510535A (ja)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
GB2205319.3 2022-04-11
GB2205319.3A GB2617569B (en) 2022-04-11 2022-04-11 Data coding and decoding
GB2208470.1 2022-06-09
GB2208470.1A GB2617626B (en) 2022-04-11 2022-06-09 Data coding and decoding
PCT/EP2023/059427 WO2023198699A2 (en) 2022-04-11 2023-04-11 Data coding and decoding

Publications (2)

Publication Number Publication Date
JP2025510535A true JP2025510535A (ja) 2025-04-15
JP2025510535A5 JP2025510535A5 (enExample) 2026-04-06

Family

ID=86184959

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2024551655A Pending JP2025510535A (ja) 2022-04-11 2023-04-11 データの符号化と復号

Country Status (5)

Country Link
US (1) US12659464B2 (enExample)
EP (1) EP4508837A2 (enExample)
JP (1) JP2025510535A (enExample)
CN (1) CN119013968A (enExample)
WO (1) WO2023198699A2 (enExample)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2026007111A1 (en) * 2024-07-05 2026-01-08 Shenzhen Tcl New Technology Co., Ltd. Similarity estimation method for predictors and apparatus incorporating the same

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101238714B (zh) 2005-08-12 2012-03-28 Nxp股份有限公司 数字图像稳定化方法和系统
US10171819B2 (en) * 2015-08-03 2019-01-01 Arris Enterprises Llc Intra prediction mode selection in video coding
EP3343924A1 (en) * 2017-01-03 2018-07-04 Thomson Licensing Method and apparatus for encoding and decoding motion information
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
US11070797B2 (en) * 2017-11-27 2021-07-20 Lg Electronics Inc. Image decoding method and apparatus based on inter prediction in image coding system
US10623746B2 (en) 2017-12-07 2020-04-14 Tencent America LLC Method and apparatus for video coding
US20210120262A1 (en) 2018-04-18 2021-04-22 Mediatek Inc. Candidate Reorganizing with Advanced Control in Video Coding
EP4399876A4 (en) 2021-10-30 2025-08-20 Beijing Dajia Internet Information Tech Co Ltd MOTION COMPENSATION ACCOUNTING FOR OUT-OF-BOUND CONDITIONS IN VIDEO CODING
US12219129B2 (en) * 2022-01-04 2025-02-04 Sharp Kabushiki Kaisha Device and method for decoding video data
JP2025500284A (ja) * 2022-01-10 2025-01-09 現代自動車株式会社 インター予測におけるデコーダ側の動きベクトルリストの修正の方法及び装置
CN119234422A (zh) * 2022-03-31 2024-12-31 韩国电子通信研究院 视频编码或解码方法、装置和存储比特流的记录介质

Also Published As

Publication number Publication date
CN119013968A (zh) 2024-11-22
US12659464B2 (en) 2026-06-16
EP4508837A2 (en) 2025-02-19
US20250254290A1 (en) 2025-08-07
WO2023198699A3 (en) 2023-11-23
WO2023198699A2 (en) 2023-10-19

Similar Documents

Publication Publication Date Title
JP7804815B2 (ja) ビデオ符号化及び復号化
CN109804626B (zh) 用于对图像进行编码和解码的方法和设备以及用于存储比特流的记录介质
CN112369021B (zh) 用于吞吐量增强的图像编码/解码方法和设备以及存储比特流的记录介质
CN113615189A (zh) 在视频译码中具有自适应参数集（aps）的基于块的自适应环路滤波器（alf）
JP2024533029A (ja) ビデオの符号化と復号
KR20180015686A (ko) 영상 부호화 장치
CN117241040A (zh) 图像信号编码/解码方法及其设备
CN114071158B (zh) 视频编解码中的运动信息列表构建方法、装置及设备
US20250267277A1 (en) Video coding and decoding
JP2025510514A (ja) ビデオの符号化と復号
GB2617626A (en) Data coding and decoding
US20250254290A1 (en) Data coding and decoding
CN118020301A (zh) 视频编码和解码
KR20240137034A (ko) 비디오 코딩에서 아핀 병합 모드에 대한 후보 도출 방법 및 장치

Legal Events

Date Code Title Description
A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20260327

A621 Written request for application examination

Free format text: JAPANESE INTERMEDIATE CODE: A621

Effective date: 20260327