KR20210138760A - 이미지 요소 예측 방법, 인코더, 디코더 및 저장 매체 - Google Patents

이미지 요소 예측 방법, 인코더, 디코더 및 저장 매체 Download PDF

Info

Publication number
KR20210138760A
KR20210138760A KR1020217034571A KR20217034571A KR20210138760A KR 20210138760 A KR20210138760 A KR 20210138760A KR 1020217034571 A KR1020217034571 A KR 1020217034571A KR 20217034571 A KR20217034571 A KR 20217034571A KR 20210138760 A KR20210138760 A KR 20210138760A
Authority
KR
South Korea
Prior art keywords
current block
image element
reference pixel
pixel
determining
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.)
Ceased
Application number
KR1020217034571A
Other languages
English (en)
Korean (ko)
Inventor
옌주오 마
준옌 훠
슈아이 완
웨이 장
Original Assignee
광동 오포 모바일 텔레커뮤니케이션즈 코포레이션 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 광동 오포 모바일 텔레커뮤니케이션즈 코포레이션 리미티드 filed Critical 광동 오포 모바일 텔레커뮤니케이션즈 코포레이션 리미티드
Publication of KR20210138760A publication Critical patent/KR20210138760A/ko
Ceased 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
    • H04N19/117—Filters, e.g. for pre-processing or post-processing
    • 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
    • H04N19/132—Sampling, masking or truncation of coding units, e.g. adaptive resampling, frame skipping, frame interpolation or high-frequency transform coefficient masking
    • 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
    • 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
    • H04N19/146—Data rate or code amount at the encoder output
    • H04N19/149—Data rate or code amount at the encoder output by estimating the code amount by means of a model, e.g. mathematical model or statistical model
    • 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
    • H04N19/176—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
    • H04N19/186—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
    • H04N19/42—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals characterised by implementation details or hardware specially adapted for video compression or decompression, e.g. dedicated software implementation
    • H04N19/423—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals characterised by implementation details or hardware specially adapted for video compression or decompression, e.g. dedicated software implementation characterised by memory arrangements
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • Algebra (AREA)
  • General Physics & Mathematics (AREA)
  • Mathematical Analysis (AREA)
  • Mathematical Optimization (AREA)
  • Pure & Applied Mathematics (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
KR1020217034571A 2019-03-25 2019-10-28 이미지 요소 예측 방법, 인코더, 디코더 및 저장 매체 Ceased KR20210138760A (ko)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US201962823609P 2019-03-25 2019-03-25
US62/823,609 2019-03-25
PCT/CN2019/113765 WO2020192109A1 (zh) 2019-03-25 2019-10-28 图像分量预测方法、编码器、解码器以及存储介质

Publications (1)

Publication Number Publication Date
KR20210138760A true KR20210138760A (ko) 2021-11-19

Family

ID=72609614

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1020217034571A Ceased KR20210138760A (ko) 2019-03-25 2019-10-28 이미지 요소 예측 방법, 인코더, 디코더 및 저장 매체

Country Status (6)

Country Link
US (6) US12137204B2 (https=)
EP (1) EP3930324A4 (https=)
JP (2) JP2022528331A (https=)
KR (1) KR20210138760A (https=)
CN (6) CN120455667A (https=)
WO (1) WO2020192109A1 (https=)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2024090923A1 (ko) * 2022-10-26 2024-05-02 주식회사 윌러스표준기술연구소 휘도 샘플 기반 색차 샘플 예측을 사용하는 비디오 신호 처리 방법 및 이를 위한 장치
WO2024248446A1 (ko) * 2023-05-26 2024-12-05 엘지전자 주식회사 Mip 기반 영상 부호화/복호화 방법, 비트스트림을 전송하는 방법 및 비트스트림을 저장한 기록 매체
WO2025071283A1 (ko) * 2023-09-26 2025-04-03 가온그룹 주식회사 개선된 국소적 조도 보상 템플릿 결정에 기반한 동영상 부호화/복호화 방법 및 장치

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN116438796A (zh) * 2020-10-28 2023-07-14 Oppo广东移动通信有限公司 图像预测方法、编码器、解码器以及计算机存储介质
CN115988212A (zh) * 2022-11-21 2023-04-18 浙江大华技术股份有限公司 编码方法、编码器及计算机可读存储介质
US12425572B2 (en) * 2022-10-20 2025-09-23 Tencent America LLC Local illumination compensation
US12445624B2 (en) 2023-07-02 2025-10-14 Alibaba (China) Co., Ltd. Cross component prediction
WO2025147920A1 (zh) * 2024-01-10 2025-07-17 深圳传音控股股份有限公司 处理方法、处理设备及存储介质
WO2025217770A1 (zh) * 2024-04-15 2025-10-23 Oppo广东移动通信有限公司 编解码方法、编解码器以及存储介质

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7664184B2 (en) * 2004-07-21 2010-02-16 Amimon Ltd. Interpolation image compression
CN103096055B (zh) * 2011-11-04 2016-03-30 华为技术有限公司 一种图像信号帧内预测及解码的方法和装置
JP2013141187A (ja) * 2012-01-06 2013-07-18 Sony Corp 画像処理装置及び画像処理方法
EP2920964B1 (en) * 2013-03-26 2018-05-09 MediaTek Inc. Method of cross color intra prediction
KR20170035832A (ko) * 2014-07-18 2017-03-31 파나소닉 인텔렉츄얼 프로퍼티 코포레이션 오브 아메리카 화상 부호화 방법, 화상 복호 방법, 화상 부호화 장치, 화상 복호 장치, 및 콘텐츠 전송 방법
US9998742B2 (en) 2015-01-27 2018-06-12 Qualcomm Incorporated Adaptive cross component residual prediction
CN108600749B (zh) * 2015-08-29 2021-12-28 华为技术有限公司 图像预测的方法及设备
KR20250138837A (ko) 2016-04-29 2025-09-22 코닌클리케 필립스 엔.브이. 영상 신호 부호화/복호화 방법 및 장치
CN106210747A (zh) * 2016-07-19 2016-12-07 北京工业大学 一种基于四叉树概率预测的低复杂度视频编码方法
US20190200021A1 (en) * 2016-09-22 2019-06-27 Lg Electronics Inc. Illumination compensation-based inter-prediction method and apparatus in image coding system
JP2018056685A (ja) * 2016-09-27 2018-04-05 株式会社ドワンゴ 画像符号化装置、画像符号化方法、及び画像符号化プログラム、並びに、画像復号装置、画像復号方法、及び画像復号プログラム
US10951912B2 (en) * 2016-10-05 2021-03-16 Qualcomm Incorporated Systems and methods for adaptive selection of weights for video coding
US10225573B1 (en) * 2017-01-31 2019-03-05 Google Llc Video coding using parameterized motion models
CN107147911B (zh) 2017-07-05 2019-07-26 中南大学 基于局部亮度补偿lic的快速帧间编码模式选择方法及装置
CN107580222B (zh) * 2017-08-01 2020-02-14 北京交通大学 一种基于线性模型预测的图像或视频编码方法

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2024090923A1 (ko) * 2022-10-26 2024-05-02 주식회사 윌러스표준기술연구소 휘도 샘플 기반 색차 샘플 예측을 사용하는 비디오 신호 처리 방법 및 이를 위한 장치
WO2024248446A1 (ko) * 2023-05-26 2024-12-05 엘지전자 주식회사 Mip 기반 영상 부호화/복호화 방법, 비트스트림을 전송하는 방법 및 비트스트림을 저장한 기록 매체
WO2025071283A1 (ko) * 2023-09-26 2025-04-03 가온그룹 주식회사 개선된 국소적 조도 보상 템플릿 결정에 기반한 동영상 부호화/복호화 방법 및 장치

Also Published As

Publication number Publication date
JP2024138498A (ja) 2024-10-08
US20240380883A1 (en) 2024-11-14
US20260052237A1 (en) 2026-02-19
JP7836362B2 (ja) 2026-03-26
CN113992916B (zh) 2023-06-27
JP2022528331A (ja) 2022-06-10
CN113992916A (zh) 2022-01-28
EP3930324A4 (en) 2022-07-20
US12526402B2 (en) 2026-01-13
US20260052239A1 (en) 2026-02-19
EP3930324A1 (en) 2021-12-29
WO2020192109A1 (zh) 2020-10-01
US12137204B2 (en) 2024-11-05
CN113508584A (zh) 2021-10-15
CN120568060A (zh) 2025-08-29
CN120455666A (zh) 2025-08-08
CN120455667A (zh) 2025-08-08
US20260052238A1 (en) 2026-02-19
CN121334365A (zh) 2026-01-13
US20220007011A1 (en) 2022-01-06
US20260052240A1 (en) 2026-02-19

Similar Documents

Publication Publication Date Title
KR20210138760A (ko) 이미지 요소 예측 방법, 인코더, 디코더 및 저장 매체
CN110839155B (zh) 运动估计的方法、装置、电子设备及计算机可读存储介质
KR102275830B1 (ko) 인트라 예측 비디오 코딩 방법 및 장치
CN110944198B (zh) 色度模式帧内编码
JP5115498B2 (ja) 画像符号化装置、画像符号化制御方法およびプログラム
KR20250002485A (ko) 비디오 인코딩 및 디코딩 방법, 장치, 디바이스, 시스템 및 저장 매체
US10791326B2 (en) Video coding processing method and apparatus, and storage medium
JP7753433B2 (ja) デコードのための予測方法及びその装置、並びにコンピュータ記憶媒体
KR20220066166A (ko) 현재 블록의 예측 방법 및 예측 장치, 디바이스, 저장 매체
EP3509303A1 (en) Interframe predictive coding method and device
KR20080025244A (ko) 인트라 예측 모드를 선택하는 방법 및 장치
WO2025007263A1 (zh) 编解码方法、码流、编码器、解码器以及存储介质
KR20250139897A (ko) 이미지 컴포넌트의 예측 방법, 장치 및 컴퓨터 저장 매체
KR102811925B1 (ko) 예측 디코딩 방법, 장치 및 컴퓨터 저장 매체
US20260032232A1 (en) Encoding method, decoding method, code stream, encoder, decoder, and storage medium
WO2025199705A1 (zh) 编解码方法、码流、编码器、解码器以及存储介质
KR20250167059A (ko) 인코딩 및 디코딩 방법, 코드 스트림, 인코더, 디코더 및 저장 매체

Legal Events

Date Code Title Description
PA0105 International application

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

PG1501 Laying open of application

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

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

PA0201 Request for examination

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

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

B15 Application refused following examination

Free format text: ST27 STATUS EVENT CODE: N-2-6-B10-B15-EXM-PE0601 (AS PROVIDED BY THE NATIONAL OFFICE)

PE0601 Decision on rejection of patent

St.27 status event code: N-2-6-B10-B15-exm-PE0601

E13 Pre-grant limitation requested

Free format text: ST27 STATUS EVENT CODE: A-2-3-E10-E13-LIM-X000 (AS PROVIDED BY THE NATIONAL OFFICE)

E13-X000 Pre-grant limitation requested

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

P11 Amendment of application requested

Free format text: ST27 STATUS EVENT CODE: A-2-2-P10-P11-NAP-X000 (AS PROVIDED BY THE NATIONAL OFFICE)

P11-X000 Amendment of application requested

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