CA3296461A1 - 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
CA3296461A1
CA3296461A1 CA3296461A CA3296461A CA3296461A1 CA 3296461 A1 CA3296461 A1 CA 3296461A1 CA 3296461 A CA3296461 A CA 3296461A CA 3296461 A CA3296461 A CA 3296461A CA 3296461 A1 CA3296461 A1 CA 3296461A1
Authority
CA
Canada
Prior art keywords
reconfigured
basis
image encoding
leaf node
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
CA3296461A
Other languages
English (en)
Inventor
Hyeong Moon JANG
Jung Hak Nam
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 CA3296461A1 publication Critical patent/CA3296461A1/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
    • H04N19/11—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
    • 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

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)
CA3296461A 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 CA3296461A1 (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
CA3166540A 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

Related Parent Applications (1)

Application Number Title Priority Date Filing Date
CA3166540A Division 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

Publications (1)

Publication Number Publication Date
CA3296461A1 true CA3296461A1 (en) 2026-03-02

Family

ID=76686671

Family Applications (2)

Application Number Title Priority Date Filing Date
CA3296461A Pending CA3296461A1 (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
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

Family Applications After (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 (18)

Country Link
US (2) US12113975B2 (https=)
EP (2) EP4604553A3 (https=)
JP (2) JP7444998B2 (https=)
KR (1) KR20220115971A (https=)
CN (5) CN119946278A (https=)
AU (3) AU2020416341B2 (https=)
BR (1) BR112022013083A2 (https=)
CA (2) CA3296461A1 (https=)
ES (1) ES3057180T3 (https=)
FI (1) FI4087244T3 (https=)
HR (1) HRP20251583T1 (https=)
LT (1) LT4087244T (https=)
MX (5) MX2022008084A (https=)
PL (1) PL4087244T3 (https=)
PT (1) PT4087244T (https=)
RS (1) RS67538B1 (https=)
SI (1) SI4087244T1 (https=)
WO (1) WO2021137577A1 (https=)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN119946278A (zh) * 2019-12-31 2025-05-06 Lg电子株式会社 图像解码设备、图像编码设备及比特流发送设备
US11930208B2 (en) * 2020-01-10 2024-03-12 Tencent America LLC Method and apparatus for signaling skip mode flag

Family Cites Families (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2010131903A2 (en) * 2009-05-12 2010-11-18 Lg Electronics Inc. Method and apparatus for processing a video signal
CA2934930C (en) * 2010-04-23 2018-12-11 M&K Holdings Inc. Encoding of image coefficients divided into a plurality of sub-blocks, whereby the scan pattern is determined by the intra-prediction mode
MX2013005754A (es) * 2010-11-25 2013-08-01 Lg Electronics Inc Metodo para señalizar informacion de imagen, y metodo para decodificar informacion de imagen utilizando el mismo.
CN104378640B (zh) * 2011-10-17 2017-11-24 株式会社Kt 解码视频信号的方法
WO2016195460A1 (ko) * 2015-06-05 2016-12-08 한양대학교 산학협력단 화면 내 예측에 대한 부호화/복호화 방법 및 장치
CN117221597A (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
WO2018080135A1 (ko) 2016-10-28 2018-05-03 한국전자통신연구원 영상 부호화/복호화 방법, 장치 및 비트스트림을 저장한 기록 매체
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
KR102392701B1 (ko) * 2019-01-15 2022-04-28 엘지전자 주식회사 변환 스킵 플래그를 이용한 영상 코딩 방법 및 장치
EP3991411A4 (en) * 2019-07-29 2022-08-24 Beijing Bytedance Network Technology Co., Ltd. Palette mode coding in prediction process
JP7309046B2 (ja) * 2019-09-02 2023-07-14 北京字節跳動網絡技術有限公司 カラーフォーマットに基づいたビデオ領域のパーティション
CN121585812A (zh) * 2019-09-07 2026-02-27 北京达佳互联信息技术有限公司 视频数据的解码和编码方法以及装置
US20210092405A1 (en) * 2019-09-19 2021-03-25 Qualcomm Incorporated Matrix combination for matrix-weighted intra prediction in video coding
JP7332795B2 (ja) * 2019-09-21 2023-08-23 北京字節跳動網絡技術有限公司 クロマ・イントラモードのベースとなるサイズ制約
CN113875256B (zh) * 2019-12-23 2024-05-31 腾讯美国有限责任公司 进行视频解码的方法、装置及存储介质
CN119946278A (zh) * 2019-12-31 2025-05-06 Lg电子株式会社 图像解码设备、图像编码设备及比特流发送设备

Also Published As

Publication number Publication date
MX2022008084A (es) 2022-09-19
CN119946276A (zh) 2025-05-06
CN119946275A (zh) 2025-05-06
RS67538B1 (sr) 2026-01-30
MX2025012918A (es) 2025-12-01
JP2023509053A (ja) 2023-03-06
AU2024201463B2 (en) 2025-11-20
MX2025012916A (es) 2025-12-01
US12113975B2 (en) 2024-10-08
JP7841007B2 (ja) 2026-04-06
PL4087244T3 (pl) 2026-02-16
EP4087244A4 (en) 2024-01-03
JP7444998B2 (ja) 2024-03-06
PT4087244T (pt) 2025-12-19
KR20220115971A (ko) 2022-08-19
AU2020416341A1 (en) 2022-08-25
AU2024201463A1 (en) 2024-03-28
HRP20251583T1 (hr) 2026-01-30
FI4087244T3 (fi) 2025-12-29
JP2024045744A (ja) 2024-04-02
CN115176465A (zh) 2022-10-11
WO2021137577A1 (ko) 2021-07-08
AU2026201282A1 (en) 2026-03-12
CN115176465B (zh) 2025-02-18
US20230049298A1 (en) 2023-02-16
US20240430422A1 (en) 2024-12-26
EP4604553A3 (en) 2025-10-29
CN119946278A (zh) 2025-05-06
LT4087244T (lt) 2026-01-12
MX2025012915A (es) 2025-12-01
EP4087244A1 (en) 2022-11-09
SI4087244T1 (sl) 2026-02-27
EP4087244B1 (en) 2025-11-19
AU2020416341B2 (en) 2024-03-21
EP4604553A2 (en) 2025-08-20
BR112022013083A2 (pt) 2022-09-06
CN119946277A (zh) 2025-05-06
CA3166540A1 (en) 2021-07-08
ES3057180T3 (en) 2026-02-26
MX2025012917A (es) 2025-12-01

Similar Documents

Publication Publication Date Title
EP4020992A4 (en) PICTURE CODING/DECODING METHOD AND DEVICE FOR PERFORMING WEIGHTED PREDICTION AND METHOD FOR TRANSMITTING A BIT STREAM
EP3876539A4 (en) Method for encoding/decoding image signal, and apparatus therefor
EP3941046A4 (en) IMAGE CODING/DECODING METHOD AND APPARATUS FOR PERFORMING INTRA PREDICTION, AND BITSTREAM TRANSMISSION METHOD
EP3852374A4 (en) PROCESS FOR ENCODING / DECODING VIDEO SIGNALS AND ASSOCIATED EQUIPMENT
EP4060990A4 (en) VIDEO CODING METHOD, VIDEO DECODING METHOD AND CORRESPONDING APPARATUS
CA3299504A1 (en) Method and device for coding/decoding image using intra prediction
CA3300798A1 (en) Method for encoding/decoding image signal and apparatus therefor
EP3987782A4 (en) Method, apparatus and system for encoding and decoding a block of video samples
EP4250729A4 (en) AI-BASED IMAGE ENCODING AND DECODING APPARATUS AND METHOD THEREFOR
EP4017000A4 (en) IMAGE ENCODING/DECODING METHOD AND APPARATUS FOR DETERMINING THE PREDICTION MODE OF A CHROMA BLOCK WITH REFERENCE TO A LUMA SENSING POSITION AND METHODS FOR TRANSMITTING A BIT STREAM
CA3249813A1 (en) Intra prediction encoding / decoding method and apparatus for chrominance components
KR102304703B9 (ko) 양자화 파라미터를 획득하기 위한 비디오 복호화 방법 및 장치, 양자화 파라미터를 전송하기 위한 비디오 부호화 방법 및 장치
EP4032277A4 (en) METHOD, APPARATUS AND SYSTEM FOR CODING AND DECODING A BLOCK OF VIDEO SAMPLES
CA3250571A1 (en) Image encoding/decoding method and device using adaptive color transform, and method for transmitting bitstream
HUE068872T2 (hu) Képkódoló/-dekódoló eljárás és készülék, valamint bitfolyam átvitelére szolgáló eljárás
CA3296461A1 (en) Image encoding/decoding method and apparatus for performing prediction on basis of reconfigured prediction mode type of leaf node, and bitstream transmission method
CA3294139A1 (en) Image encoding/decoding method, apparatus and method for transmitting bitstream using maximum size limitation of chroma transform block
EP4412206A4 (en) IMAGE CODING METHOD AND DEVICE AND IMAGE DECODING METHOD AND DEVICE
CA3286757A1 (en) Image decoding and encoding methods and apparatus therefor
EP4366306A4 (en) IMAGE CODING METHOD AND APPARATUS AND IMAGE DECODING METHOD AND APPARATUS
SI4030760T1 (sl) Metoda dekodiranja/kodiranja slike za izvajanje bdof in metoda za prenos bitnega toka
CA3301771A1 (en) Method and apparatus for image encoding and image decoding using prediction based on block type
EP3989554A4 (en) METHOD AND APPARATUS FOR PICTURE ENCODING AND DECODING FOR LIMITING THE PARTITION CONDITION OF A CHROMA BLOCK, AND METHOD FOR TRANSMITTING A BIT STREAM
EP4250742A4 (en) VIDEO DECODING METHOD, VIDEO ENCODING METHOD AND RELATED APPARATUS
CA3298185A1 (en) Image/video encoding/decoding method with picture header weighted prediction syntax, and apparatus using same

Legal Events

Date Code Title Description
A16 Divisional, continuation or continuation in part application filed

Free format text: ST27 STATUS EVENT CODE: A-0-1-A10-A16-X000 (AS PROVIDED BY THE NATIONAL OFFICE); EVENT TEXT: APPLICATION RECEIVED - DIVISIONAL

Effective date: 20251219

D11 Substantive examination requested

Free format text: ST27 STATUS EVENT CODE: A-1-1-D10-D11-D117 (AS PROVIDED BY THE NATIONAL OFFICE); EVENT TEXT: REQUEST FOR EXAMINATION RECEIVED

Effective date: 20251219

MFA Maintenance fee for application paid

Free format text: FEE DESCRIPTION TEXT: MF (APPLICATION, 3RD ANNIV.) - STANDARD

Year of fee payment: 3

Free format text: FEE DESCRIPTION TEXT: MF (APPLICATION, 2ND ANNIV.) - STANDARD

Year of fee payment: 2

Free format text: FEE DESCRIPTION TEXT: MF (APPLICATION, 4TH ANNIV.) - STANDARD

Year of fee payment: 4

Free format text: FEE DESCRIPTION TEXT: MF (APPLICATION, 5TH ANNIV.) - STANDARD

Year of fee payment: 5

W00 Other event occurred

Free format text: ST27 STATUS EVENT CODE: A-1-1-W10-W00-W111 (AS PROVIDED BY THE NATIONAL OFFICE); EVENT TEXT: CORRESPONDENT DETERMINED COMPLIANT

Effective date: 20251219

P11 Amendment of application requested

Free format text: ST27 STATUS EVENT CODE: A-1-1-P10-P11-P101 (AS PROVIDED BY THE NATIONAL OFFICE); EVENT TEXT: AMENDMENT RECEIVED - VOLUNTARY AMENDMENT

Effective date: 20251223

A18 Application divided or continuation or continuation in part accepted

Free format text: ST27 STATUS EVENT CODE: A-1-1-A10-A18-X000 (AS PROVIDED BY THE NATIONAL OFFICE); EVENT TEXT: DIVISIONAL REQUIREMENTS DETERMINED COMPLIANT

Effective date: 20260120

P18 Priority claim added or amended

Free format text: ST27 STATUS EVENT CODE: A-1-1-P10-P18-P105 (AS PROVIDED BY THE NATIONAL OFFICE); EVENT TEXT: PRIORITY CLAIM REQUIREMENTS DETERMINED COMPLIANT

Effective date: 20260120

W00 Other event occurred

Free format text: ST27 STATUS EVENT CODE: A-1-1-W10-W00-W100 (AS PROVIDED BY THE NATIONAL OFFICE); EVENT TEXT: LETTER SENT

Effective date: 20260120

D00 Search and/or examination requested or commenced

Free format text: ST27 STATUS EVENT CODE: A-1-1-D10-D00-D118 (AS PROVIDED BY THE NATIONAL OFFICE); EVENT TEXT: REQUEST FOR EXAMINATION REQUIREMENTS DETERMINED COMPLIANT

Effective date: 20260121

W00 Other event occurred

Free format text: ST27 STATUS EVENT CODE: A-1-1-W10-W00-W100 (AS PROVIDED BY THE NATIONAL OFFICE); EVENT TEXT: LETTER SENT

Effective date: 20260121

Q12 Application published

Free format text: ST27 STATUS EVENT CODE: A-1-1-Q10-Q12-X000 (AS PROVIDED BY THE NATIONAL OFFICE); EVENT TEXT: APPLICATION PUBLISHED (OPEN TO PUBLIC INSPECTION)

Effective date: 20260302

W00 Other event occurred

Free format text: ST27 STATUS EVENT CODE: A-1-1-W10-W00-W111 (AS PROVIDED BY THE NATIONAL OFFICE); EVENT TEXT: CORRESPONDENT DETERMINED COMPLIANT

Effective date: 20260402

P11 Amendment of application requested

Free format text: ST27 STATUS EVENT CODE: A-1-1-P10-P11-P102 (AS PROVIDED BY THE NATIONAL OFFICE); EVENT TEXT: AMENDMENT DETERMINED COMPLIANT

Effective date: 20260407

P13 Application amended

Free format text: ST27 STATUS EVENT CODE: A-1-1-P10-P13-X000 (AS PROVIDED BY THE NATIONAL OFFICE); EVENT TEXT: APPLICATION AMENDED

Effective date: 20260407