KR102885290B1 - 픽처 디코딩 방법 및 장치, 픽처 인코딩 방법 및 장치 - Google Patents

픽처 디코딩 방법 및 장치, 픽처 인코딩 방법 및 장치

Info

Publication number
KR102885290B1
KR102885290B1 KR1020247019255A KR20247019255A KR102885290B1 KR 102885290 B1 KR102885290 B1 KR 102885290B1 KR 1020247019255 A KR1020247019255 A KR 1020247019255A KR 20247019255 A KR20247019255 A KR 20247019255A KR 102885290 B1 KR102885290 B1 KR 102885290B1
Authority
KR
South Korea
Prior art keywords
prediction
group
unit
pixels
encoding unit
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
KR1020247019255A
Other languages
English (en)
Korean (ko)
Other versions
KR20240108463A (ko
Inventor
팡둥 천
옌 왕
Original Assignee
항조우 힉비젼 디지털 테크놀로지 컴퍼니 리미티드
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 항조우 힉비젼 디지털 테크놀로지 컴퍼니 리미티드 filed Critical 항조우 힉비젼 디지털 테크놀로지 컴퍼니 리미티드
Publication of KR20240108463A publication Critical patent/KR20240108463A/ko
Application granted granted Critical
Publication of KR102885290B1 publication Critical patent/KR102885290B1/ko
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
    • H04N19/10—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
    • 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
    • H04N19/11—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
    • H04N19/102—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
    • H04N19/124—Quantisation
    • 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
    • H04N19/13—Adaptive entropy coding, e.g. adaptive variable length coding [AVLC] or context adaptive binary arithmetic coding [CABAC]
    • 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
    • H04N19/134—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
    • H04N19/167—Position within a video image, e.g. region of interest [ROI]
    • 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
    • H04N19/172—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 picture, frame or field
    • 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
    • H04N19/189—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the adaptation method, adaptation tool or adaptation type used for the adaptive coding
    • H04N19/196—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the adaptation method, adaptation tool or adaptation type used for the adaptive coding being specially adapted for the computation of encoding parameters, e.g. by averaging previously computed encoding parameters
    • 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
    • H04N19/44—Decoders specially adapted therefor, e.g. video decoders which are asymmetric with respect to the encoder
    • 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)
  • Computing Systems (AREA)
  • Theoretical Computer Science (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
KR1020247019255A 2021-11-11 2022-11-10 픽처 디코딩 방법 및 장치, 픽처 인코딩 방법 및 장치 Active KR102885290B1 (ko)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
CN202111335613.7 2021-11-11
CN202111335613.7A CN116074500B (zh) 2021-11-11 2021-11-11 图像解码方法、编码方法及装置
PCT/CN2022/131032 WO2023083239A1 (zh) 2021-11-11 2022-11-10 图像解码方法及装置、图像编码方法及装置

Publications (2)

Publication Number Publication Date
KR20240108463A KR20240108463A (ko) 2024-07-09
KR102885290B1 true KR102885290B1 (ko) 2025-11-11

Family

ID=86172128

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1020247019255A Active KR102885290B1 (ko) 2021-11-11 2022-11-10 픽처 디코딩 방법 및 장치, 픽처 인코딩 방법 및 장치

Country Status (6)

Country Link
US (2) US12556722B2 (https=)
JP (1) JP2024541755A (https=)
KR (1) KR102885290B1 (https=)
CN (2) CN116074500B (https=)
TW (2) TWI881252B (https=)
WO (1) WO2023083239A1 (https=)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN120151513A (zh) 2022-01-07 2025-06-13 杭州海康威视数字技术股份有限公司 图像编解码方法、装置及存储介质

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2020176634A1 (en) 2019-02-28 2020-09-03 Qualcomm Incorporated Subblock coding by generalized intra prediction in video coding

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101394565B (zh) * 2008-10-20 2011-08-17 成都九洲电子信息系统有限责任公司 一种帧内预测方法
JP2015005903A (ja) * 2013-06-21 2015-01-08 学校法人早稲田大学 コンプレッサ、デコンプレッサ及び画像処理装置
US10979705B2 (en) * 2014-08-08 2021-04-13 Qualcomm Incorporated Method for video coding with spatial prediction mode for multi-mode video coding
WO2018003008A1 (ja) * 2016-06-28 2018-01-04 三菱電機株式会社 画像符号化装置及び画像復号装置
WO2018068259A1 (zh) 2016-10-13 2018-04-19 富士通株式会社 图像编码/解码方法、装置以及图像处理设备
US10965941B2 (en) * 2017-10-09 2021-03-30 Qualcomm Incorporated Position-dependent prediction combinations in video coding
EP3890321A4 (en) * 2018-12-15 2022-05-11 Huawei Technologies Co., Ltd. IMAGE RECONSTRUCTION METHOD AND APPARATUS
JP7682793B2 (ja) 2019-02-20 2025-05-26 エルジー エレクトロニクス インコーポレイティド Ｍｐｍリストに基づくイントラ予測方法及び装置
CN110234008B (zh) 2019-03-11 2020-06-16 杭州海康威视数字技术股份有限公司 编码方法、解码方法及装置
EP4080886B1 (en) * 2019-12-20 2026-02-18 LG Electronics Inc. Prediction weighted table-based video coding methods
CN113038125B (zh) * 2021-05-28 2021-10-22 杭州博雅鸿图视频技术有限公司 帧内预测模式选择方法、装置、设备及存储介质

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2020176634A1 (en) 2019-02-28 2020-09-03 Qualcomm Incorporated Subblock coding by generalized intra prediction in video coding

Also Published As

Publication number Publication date
US20260075223A1 (en) 2026-03-12
US12556722B2 (en) 2026-02-17
TW202441961A (zh) 2024-10-16
CN116074500B (zh) 2024-10-25
US20250047881A1 (en) 2025-02-06
TW202327356A (zh) 2023-07-01
JP2024541755A (ja) 2024-11-12
WO2023083239A1 (zh) 2023-05-19
TWI881800B (zh) 2025-04-21
CN116546193B (zh) 2024-10-29
CN116546193A (zh) 2023-08-04
KR20240108463A (ko) 2024-07-09
CN116074500A (zh) 2023-05-05
TWI881252B (zh) 2025-04-21

Similar Documents

Publication Publication Date Title
US12192503B2 (en) Method and device for processing video signal using multiple transform kernels
US11863779B2 (en) Cross-component adaptive loop filter in video coding
JP7566014B2 (ja) ビデオコーディングのためのクロスコンポーネント適応ループフィルタリングのためのビットシフティング
JP2022521809A (ja) ビデオコーディングにおける係数領域ブロック差分パルスコード変調
KR20250035589A (ko) 이미지 디코딩 방법, 인코딩 방법 및 장치
CN113647112A (zh) 用于视频编码和解码的熵编解码
JP2025118792A (ja) ビデオコード化のための残差コード化における通常のビンの柔軟な割り当て
JP7853962B2 (ja) 高ビット深度ビデオコーディングのためのライスパラメータ値の適応的な導出
US20260075223A1 (en) Picture decoding method and apparatus, and picture encoding method and apparatus
KR102899163B1 (ko) 디코딩 방법, 인코딩 방법 및 장치
JP2021530909A (ja) ルマ・イントラ・モード・シグナリング
KR102830090B1 (ko) 픽처 인코딩 및 디코딩의 방법, 장치 및 저장매체
CN117769834A (zh) 跨分量样点自适应偏移中的编解码增强
HK40093827B (zh) 图像解码方法、编码方法及装置
HK40093827A (zh) 图像解码方法、编码方法及装置
CN120692398A (zh) 视频编码方法和装置以及视频解码方法和装置

Legal Events

Date Code Title Description
A201 Request for examination
E13-X000 Pre-grant limitation requested

St.27 status event code: A-2-3-E10-E13-lim-X000

P11-X000 Amendment of application requested

St.27 status event code: A-2-2-P10-P11-nap-X000

P13-X000 Application amended

St.27 status event code: A-2-2-P10-P13-nap-X000

PA0105 International application

St.27 status event code: A-0-1-A10-A15-nap-PA0105

PA0201 Request for examination

St.27 status event code: A-1-2-D10-D11-exm-PA0201

PG1501 Laying open of application

St.27 status event code: A-1-1-Q10-Q12-nap-PG1501

P11-X000 Amendment of application requested

St.27 status event code: A-2-2-P10-P11-nap-X000

P13-X000 Application amended

St.27 status event code: A-2-2-P10-P13-nap-X000

PA0302 Request for accelerated examination

St.27 status event code: A-1-2-D10-D17-exm-PA0302

St.27 status event code: A-1-2-D10-D16-exm-PA0302

E902 Notification of reason for refusal
PE0902 Notice of grounds for rejection

St.27 status event code: A-1-2-D10-D21-exm-PE0902

E13-X000 Pre-grant limitation requested

St.27 status event code: A-2-3-E10-E13-lim-X000

P11-X000 Amendment of application requested

St.27 status event code: A-2-2-P10-P11-nap-X000

P13-X000 Application amended

St.27 status event code: A-2-2-P10-P13-nap-X000

D22 Grant of ip right intended

Free format text: ST27 STATUS EVENT CODE: A-1-2-D10-D22-EXM-PE0701 (AS PROVIDED BY THE NATIONAL OFFICE)

PE0701 Decision of registration

St.27 status event code: A-1-2-D10-D22-exm-PE0701

F11 Ip right granted following substantive examination

Free format text: ST27 STATUS EVENT CODE: A-2-4-F10-F11-EXM-PR0701 (AS PROVIDED BY THE NATIONAL OFFICE)

PR0701 Registration of establishment

St.27 status event code: A-2-4-F10-F11-exm-PR0701

PR1002 Payment of registration fee

St.27 status event code: A-2-2-U10-U12-oth-PR1002

Fee payment year number: 1

U12 Designation fee paid

Free format text: ST27 STATUS EVENT CODE: A-2-2-U10-U12-OTH-PR1002 (AS PROVIDED BY THE NATIONAL OFFICE)

Year of fee payment: 1

PG1601 Publication of registration

St.27 status event code: A-4-4-Q10-Q13-nap-PG1601

Q13 Ip right document published

Free format text: ST27 STATUS EVENT CODE: A-4-4-Q10-Q13-NAP-PG1601 (AS PROVIDED BY THE NATIONAL OFFICE)