CA3166540A1 - Image encoding/decoding method and apparatus for performing prediction on basis of reconfigured prediction mode type of leaf node, and bitstream transmission method - Google Patents

Image encoding/decoding method and apparatus for performing prediction on basis of reconfigured prediction mode type of leaf node, and bitstream transmission method

Info

Publication number
CA3166540A1
CA3166540A1 CA3166540A CA3166540A CA3166540A1 CA 3166540 A1 CA3166540 A1 CA 3166540A1 CA 3166540 A CA3166540 A CA 3166540A CA 3166540 A CA3166540 A CA 3166540A CA 3166540 A1 CA3166540 A1 CA 3166540A1
Authority
CA
Canada
Prior art keywords
current block
prediction mode
type
prediction
block
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
CA3166540A
Other languages
English (en)
French (fr)
Inventor
Hyeong Moon Jang
Jung Hak Nam
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.)
LG Electronics Inc
Original Assignee
LG Electronics 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 LG Electronics Inc filed Critical LG Electronics Inc
Publication of CA3166540A1 publication Critical patent/CA3166540A1/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
    • H04N19/90—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
    • H04N19/96—Tree coding, e.g. quad-tree coding
    • 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
    • H04N19/11—Selection of coding mode or of prediction mode among a plurality of spatial predictive coding modes
    • 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
    • H04N19/119—Adaptive subdivision aspects, e.g. subdivision of a picture into rectangular or non-rectangular coding blocks
    • 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
    • H04N19/157—Assigned coding mode, i.e. the coding mode being predefined or preselected to be further used for selection of another element or parameter
    • 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
    • H04N19/157—Assigned coding mode, i.e. the coding mode being predefined or preselected to be further used for selection of another element or parameter
    • H04N19/159—Prediction type, e.g. intra-frame, inter-frame or bidirectional frame 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
    • H04N19/10—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
    • H04N19/184—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 bits, e.g. of the compressed video stream
    • 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
    • H04N19/186—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 a colour or a chrominance component
    • 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
    • H04N19/593—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding involving spatial prediction techniques
    • 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)
CA3166540A 2019-12-31 2020-12-31 Image encoding/decoding method and apparatus for performing prediction on basis of reconfigured prediction mode type of leaf node, and bitstream transmission method Pending CA3166540A1 (en)

Applications Claiming Priority (7)

Application Number Priority Date Filing Date Title
US201962956093P 2019-12-31 2019-12-31
US62/956,093 2019-12-31
US202062959943P 2020-01-11 2020-01-11
US62/959,943 2020-01-11
US202062980442P 2020-02-24 2020-02-24
US62/980,442 2020-02-24
PCT/KR2020/019287 WO2021137577A1 (ko) 2019-12-31 2020-12-31 리프 노드의 재설정된 예측 모드 타입에 기반하여 예측을 수행하는 영상 부호화/복호화 방법, 장치 및 비트스트림을 전송하는 방법

Publications (1)

Publication Number Publication Date
CA3166540A1 true CA3166540A1 (en) 2021-07-08

Family

ID=76686671

Family Applications (1)

Application Number Title Priority Date Filing Date
CA3166540A Pending CA3166540A1 (en) 2019-12-31 2020-12-31 Image encoding/decoding method and apparatus for performing prediction on basis of reconfigured prediction mode type of leaf node, and bitstream transmission method

Country Status (10)

Country Link
US (2) US12113975B2 (enExample)
EP (2) EP4087244B1 (enExample)
JP (2) JP7444998B2 (enExample)
KR (1) KR20220115971A (enExample)
CN (5) CN119946278A (enExample)
AU (2) AU2020416341B2 (enExample)
BR (1) BR112022013083A2 (enExample)
CA (1) CA3166540A1 (enExample)
MX (5) MX2022008084A (enExample)
WO (1) WO2021137577A1 (enExample)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11930208B2 (en) * 2020-01-10 2024-03-12 Tencent America LLC Method and apparatus for signaling skip mode flag

Family Cites Families (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9113168B2 (en) * 2009-05-12 2015-08-18 Lg Electronics Inc. Method and apparatus of processing a video signal
MX348486B (es) * 2010-04-23 2017-06-15 M&K Holdings Inc Aparato para codificar imagen.
PL3923579T3 (pl) * 2010-11-25 2023-05-02 Lg Electronics Inc. Sposób sygnalizacji informacji o obrazie i sposób dekodowania informacji o obrazie z jego wykorzystaniem
CA2856198C (en) * 2011-10-17 2017-08-29 Kt Corporation Method and apparatus for encoding/decoding image
CN115134593B (zh) * 2015-06-05 2024-07-23 杜比实验室特许公司 用于执行帧间预测的图像编解码方法、比特流存储方法
CN117221595A (zh) * 2016-06-22 2023-12-12 Lx 半导体科技有限公司 图像编码/解码方法以及图像数据的传输方法
CN116896633A (zh) 2016-10-28 2023-10-17 韩国电子通信研究院 视频编码/解码方法和设备以及存储比特流的记录介质
JP2020031252A (ja) * 2016-12-22 2020-02-27 シャープ株式会社 画像復号装置及び画像符号化装置
WO2019098464A1 (ko) 2017-11-14 2019-05-23 삼성전자 주식회사 부호화 방법 및 그 장치, 복호화 방법 및 그 장치
US10771781B2 (en) 2018-03-12 2020-09-08 Electronics And Telecommunications Research Institute Method and apparatus for deriving intra prediction mode
KR20190107581A (ko) 2018-03-12 2019-09-20 한국전자통신연구원 인트라 예측 모드의 유도를 위한 방법 및 장치
CN111699694B (zh) * 2019-01-15 2022-07-08 Lg电子株式会社 使用变换跳过标志的图像编码方法和装置
CN114208174B (zh) * 2019-07-29 2023-11-28 北京字节跳动网络技术有限公司 预测过程中的调色板模式编解码
EP4008109A4 (en) * 2019-09-02 2022-09-14 Beijing Bytedance Network Technology Co., Ltd. ENCODING MODE DETERMINATION BASED ON COLOR FORMAT
CN114365484A (zh) * 2019-09-07 2022-04-15 北京达佳互联信息技术有限公司 视频编解码中的预测模式信令
US20210092405A1 (en) * 2019-09-19 2021-03-25 Qualcomm Incorporated Matrix combination for matrix-weighted intra prediction in video coding
MX2022003122A (es) * 2019-09-21 2022-04-06 Beijing Bytedance Network Tech Co Ltd Modo intra basado para croma de restriccion de tama?o.

Also Published As

Publication number Publication date
JP2024045744A (ja) 2024-04-02
EP4604553A2 (en) 2025-08-20
US20240430422A1 (en) 2024-12-26
JP2023509053A (ja) 2023-03-06
WO2021137577A1 (ko) 2021-07-08
EP4604553A3 (en) 2025-10-29
MX2022008084A (es) 2022-09-19
CN119946276A (zh) 2025-05-06
US20230049298A1 (en) 2023-02-16
CN115176465B (zh) 2025-02-18
CN115176465A (zh) 2022-10-11
AU2020416341B2 (en) 2024-03-21
MX2025012916A (es) 2025-12-01
MX2025012917A (es) 2025-12-01
MX2025012918A (es) 2025-12-01
AU2024201463B2 (en) 2025-11-20
AU2024201463A1 (en) 2024-03-28
EP4087244A4 (en) 2024-01-03
AU2020416341A1 (en) 2022-08-25
MX2025012915A (es) 2025-12-01
CN119946275A (zh) 2025-05-06
CN119946278A (zh) 2025-05-06
BR112022013083A2 (pt) 2022-09-06
CN119946277A (zh) 2025-05-06
US12113975B2 (en) 2024-10-08
EP4087244B1 (en) 2025-11-19
EP4087244A1 (en) 2022-11-09
KR20220115971A (ko) 2022-08-19
JP7444998B2 (ja) 2024-03-06

Similar Documents

Publication Publication Date Title
US12219132B2 (en) Image encoding/decoding method and device for utilizing simplified MPM list generation method, and method for transmitting bitstream
EP4017000A1 (en) Image encoding/decoding method and apparatus for determining prediction mode of chroma block by referring to luma sample position, and method for transmitting bitstream
US12413715B2 (en) Image encoding/decoding method and device for determining division mode on basis of color format, and method for transmitting bitstream
US12075043B2 (en) Video encoding/decoding method and device using segmentation limitation for chroma block, and method for transmitting bitstream
US12047561B2 (en) Image encoding/decoding method and apparatus using IBC, and method for transmitting bitstream
US11445189B2 (en) Image encoding/decoding method and device, and method for transmitting bitstream
US20230080094A1 (en) Image encoding/decoding method and apparatus using maximum transform size setting for chroma block, and method for transmitting bitstream
US20220174271A1 (en) Image encoding/decoding method and device having simplified mip mode mapping, and method for transmitting bitstream
EP4084477B1 (en) Video encoding/decoding method and apparatus for performing pdpc and method for transmitting bitstream
US11695959B2 (en) Image encoding/decoding method and device using maximum transform size restriction of chroma component encoding block, and method for transmitting bitstream
AU2024201463B2 (en) Image encoding/decoding method and apparatus for performing prediction on basis of reconfigured prediction mode type of leaf node, and bitstream transmission method
US12058342B2 (en) Image encoding/decoding method and device using IBC prediction, and method for transmitting bitstream
US12052414B2 (en) Image encoding/decoding method and apparatus using quantization matrix, and method for transmitting bitstream

Legal Events

Date Code Title Description
EEER Examination request

Effective date: 20220630

EEER Examination request

Effective date: 20220630

EEER Examination request

Effective date: 20220630

EEER Examination request

Effective date: 20220630

EEER Examination request

Effective date: 20220630

EEER Examination request

Effective date: 20220630

EEER Examination request

Effective date: 20220630

EEER Examination request

Effective date: 20220630