JP2022528331A - 画像成分予測方法、エンコーダー、デコーダー及び記憶媒体 - Google Patents

画像成分予測方法、エンコーダー、デコーダー及び記憶媒体 Download PDF

Info

Publication number
JP2022528331A
JP2022528331A JP2021556936A JP2021556936A JP2022528331A JP 2022528331 A JP2022528331 A JP 2022528331A JP 2021556936 A JP2021556936 A JP 2021556936A JP 2021556936 A JP2021556936 A JP 2021556936A JP 2022528331 A JP2022528331 A JP 2022528331A
Authority
JP
Japan
Prior art keywords
current block
candidate
reference pixel
pixels
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.)
Pending
Application number
JP2021556936A
Other languages
English (en)
Japanese (ja)
Other versions
JP2022528331A5 (https=
JPWO2020192109A5 (https=
Inventor
マー、イェンチュオ
フオ、チュンイェン
ワン、シューアイ
チャン、ウェイ
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.)
Guangdong Oppo Mobile Telecommunications Corp Ltd
Original Assignee
Guangdong Oppo Mobile Telecommunications Corp Ltd
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 Guangdong Oppo Mobile Telecommunications Corp Ltd filed Critical Guangdong Oppo Mobile Telecommunications Corp Ltd
Publication of JP2022528331A publication Critical patent/JP2022528331A/ja
Publication of JP2022528331A5 publication Critical patent/JP2022528331A5/ja
Publication of JPWO2020192109A5 publication Critical patent/JPWO2020192109A5/ja
Priority to JP2024112963A priority Critical patent/JP7836362B2/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
    • H04N19/117—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)
JP2021556936A 2019-03-25 2019-10-28 画像成分予測方法、エンコーダー、デコーダー及び記憶媒体 Pending JP2022528331A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2024112963A JP7836362B2 (ja) 2019-03-25 2024-07-12 画像成分予測方法、エンコーダー、デコーダー及び記憶媒体

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

Related Child Applications (1)

Application Number Title Priority Date Filing Date
JP2024112963A Division JP7836362B2 (ja) 2019-03-25 2024-07-12 画像成分予測方法、エンコーダー、デコーダー及び記憶媒体

Publications (3)

Publication Number Publication Date
JP2022528331A true JP2022528331A (ja) 2022-06-10
JP2022528331A5 JP2022528331A5 (https=) 2022-10-14
JPWO2020192109A5 JPWO2020192109A5 (https=) 2022-10-14

Family

ID=72609614

Family Applications (2)

Application Number Title Priority Date Filing Date
JP2021556936A Pending JP2022528331A (ja) 2019-03-25 2019-10-28 画像成分予測方法、エンコーダー、デコーダー及び記憶媒体
JP2024112963A Active JP7836362B2 (ja) 2019-03-25 2024-07-12 画像成分予測方法、エンコーダー、デコーダー及び記憶媒体

Family Applications After (1)

Application Number Title Priority Date Filing Date
JP2024112963A Active JP7836362B2 (ja) 2019-03-25 2024-07-12 画像成分予測方法、エンコーダー、デコーダー及び記憶媒体

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=)

Families Citing this family (9)

* 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
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
KR20260023641A (ko) * 2023-05-26 2026-02-20 엘지전자 주식회사 Mip 기반 영상 부호화/복호화 방법, 비트스트림을 전송하는 방법 및 비트스트림을 저장한 기록 매체
US12445624B2 (en) 2023-07-02 2025-10-14 Alibaba (China) Co., Ltd. Cross component prediction
WO2025071283A1 (ko) * 2023-09-26 2025-04-03 가온그룹 주식회사 개선된 국소적 조도 보상 템플릿 결정에 기반한 동영상 부호화/복호화 방법 및 장치
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

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9462273B2 (en) * 2011-11-04 2016-10-04 Huawei Technologies Co., Ltd. Intra-frame prediction and decoding methods and apparatuses for image signal
WO2018056603A1 (ko) * 2016-09-22 2018-03-29 엘지전자 주식회사 영상 코딩 시스템에서 조도 보상 기반 인터 예측 방법 및 장치
WO2018067732A1 (en) * 2016-10-05 2018-04-12 Qualcomm Incorporated Systems and methods of adaptively determining template size for illumination compensation

Family Cites Families (12)

* 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
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
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
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

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9462273B2 (en) * 2011-11-04 2016-10-04 Huawei Technologies Co., Ltd. Intra-frame prediction and decoding methods and apparatuses for image signal
WO2018056603A1 (ko) * 2016-09-22 2018-03-29 엘지전자 주식회사 영상 코딩 시스템에서 조도 보상 기반 인터 예측 방법 및 장치
JP2019530345A (ja) * 2016-09-22 2019-10-17 エルジー エレクトロニクス インコーポレイティド 映像コーディングシステムにおける照度補償基盤インター予測方法及び装置
WO2018067732A1 (en) * 2016-10-05 2018-04-12 Qualcomm Incorporated Systems and methods of adaptively determining template size for illumination compensation
JP2019531029A (ja) * 2016-10-05 2019-10-24 クゥアルコム・インコーポレイテッドＱｕａｌｃｏｍｍ Ｉｎｃｏｒｐｏｒａｔｅｄ 照度補償のためのテンプレートサイズを適応的に決定するシステムおよび方法

Non-Patent Citations (4)

* Cited by examiner, † Cited by third party
Title
JANGWON CHOI, ET AL.: ""CE3-related : Reduced number of reference samples for CCLM parameter calculation"", DOCUMENT: JVET-L0138-V2, [ONLINE], vol. JVET-L0138 (version 3), JPN6022021220, 6 October 2018 (2018-10-06), pages 1 - 5, ISSN: 0005158964 *
JIANLE CHEN, ET AL.: ""Algorithm Description of Joint Exploration Test Model 7 (JEM 7)"", DOCUMENT: JVET-G1001-V1, [ONLINE], vol. JVET-G1001 (version 1), JPN6023039647, 19 August 2017 (2017-08-19), pages 10 - 12, ISSN: 0005158962 *
JUNYAN HUO, ET AL.: ""CE3-related: Fixed Reference Samples Design for CCLM"", DOCUMENT: JVET-M0211-V3, [ONLINE], vol. JVET-M0211 (version 3), JPN6022036692, 10 January 2019 (2019-01-10), pages 1 - 6, ISSN: 0005158961 *
XIANG MA, ET AL.: ""CE3: CCLM/MDLM using simplified coefficients derivation method (Test 5.6.1, 5.6.2 and 5.6.3)"", DOCUMENT: JVET-L0340_R1, [ONLINE], vol. JVET-L0340 (version 5), JPN6022021219, 23 October 2018 (2018-10-23), pages 1 - 6, ISSN: 0005158963 *

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
KR20210138760A (ko) 2021-11-19
CN113992916B (zh) 2023-06-27
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
JP2022528331A (ja) 画像成分予測方法、エンコーダー、デコーダー及び記憶媒体
JP2022522487A (ja) 画像成分予測方法、エンコーダ、デコーダ及び記憶媒体
WO2020258010A1 (zh) 图像编解码方法、编码器、解码器以及存储介质
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
JP2023510666A (ja) 画像コンポーネント予測方法、エンコーダ、デコーダ及び記憶媒体
JP2022541115A (ja) 画像成分の予測方法、装置およびコンピュータ記憶媒体
WO2025007263A1 (zh) 编解码方法、码流、编码器、解码器以及存储介质
CN116546218B (zh) 解码预测方法、装置及计算机存储介质
KR20250167059A (ko) 인코딩 및 디코딩 방법, 코드 스트림, 인코더, 디코더 및 저장 매체
JP2026500444A (ja) 復号方法、符号化方法、復号装置および符号化装置

Legal Events

Date Code Title Description
A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20221005

A621 Written request for application examination

Free format text: JAPANESE INTERMEDIATE CODE: A621

Effective date: 20221005

A131 Notification of reasons for refusal

Free format text: JAPANESE INTERMEDIATE CODE: A131

Effective date: 20230926

A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20231226

A02 Decision of refusal

Free format text: JAPANESE INTERMEDIATE CODE: A02

Effective date: 20240315