CN114467306A - 图像预测方法、编码器、解码器以及存储介质 - Google Patents

图像预测方法、编码器、解码器以及存储介质 Download PDF

Info

Publication number
CN114467306A
CN114467306A CN202080044380.2A CN202080044380A CN114467306A CN 114467306 A CN114467306 A CN 114467306A CN 202080044380 A CN202080044380 A CN 202080044380A CN 114467306 A CN114467306 A CN 114467306A
Authority
CN
China
Prior art keywords
current block
mip mode
mip
type
mode
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
CN202080044380.2A
Other languages
English (en)
Inventor
余媛芳
刘阳
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
Priority to CN202210123294.1A priority Critical patent/CN114786019A/zh
Publication of CN114467306A publication Critical patent/CN114467306A/zh
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
    • H04N19/11—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
    • H04N19/70—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
    • H04N19/42—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
    • H04N19/10—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
    • H04N19/44—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

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)

Abstract

本申请实施例提供了一种图像预测方法、编码器、解码器以及存储介质，若当前块使用MIP模式确定当前块的帧内预测值，则编码器将MIP模式参数的取值设置为指示使用MIP模式并写入码流；确定当前块的MIP模式，并根据MIP模式确定当前块对应的亮度分量和色度分量的预测值；将当前块的MIP模式写入码流。解码器解析码流，确定当前块的MIP模式参数；若MIP模式参数的取值指示当前块使用MIP模式确定当前块的帧内预测值，解析码流，确定当前块的MIP模式，并根据MIP模式确定当前块对应的亮度分量和色度分量的预测值；根据预测值，对当前块进行解码。

Description

PCT国内申请，说明书已公开。

Claims (21)

  1. PCT国内申请，权利要求书已公开。
CN202080044380.2A 2019-07-07 2020-05-15 图像预测方法、编码器、解码器以及存储介质 Pending CN114467306A (zh)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202210123294.1A CN114786019A (zh) 2019-07-07 2020-05-15 图像预测方法、编码器、解码器以及存储介质

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US201962871177P 2019-07-07 2019-07-07
US62/871,177 2019-07-07
PCT/CN2020/090665 WO2021004153A1 (zh) 2019-07-07 2020-05-15 图像预测方法、编码器、解码器以及存储介质

Related Child Applications (1)

Application Number Title Priority Date Filing Date
CN202210123294.1A Division CN114786019A (zh) 2019-07-07 2020-05-15 图像预测方法、编码器、解码器以及存储介质

Publications (1)

Publication Number Publication Date
CN114467306A true CN114467306A (zh) 2022-05-10

Family

ID=74114397

Family Applications (2)

Application Number Title Priority Date Filing Date
CN202080044380.2A Pending CN114467306A (zh) 2019-07-07 2020-05-15 图像预测方法、编码器、解码器以及存储介质
CN202210123294.1A Pending CN114786019A (zh) 2019-07-07 2020-05-15 图像预测方法、编码器、解码器以及存储介质

Family Applications After (1)

Application Number Title Priority Date Filing Date
CN202210123294.1A Pending CN114786019A (zh) 2019-07-07 2020-05-15 图像预测方法、编码器、解码器以及存储介质

Country Status (6)

Country Link
US (1) US20220191548A1 (zh)
EP (1) EP3975565A4 (zh)
JP (1) JP2022539768A (zh)
KR (1) KR20220029589A (zh)
CN (2) CN114467306A (zh)
WO (1) WO2021004153A1 (zh)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20200145749A (ko) * 2019-06-19 2020-12-30 한국전자통신연구원 화면 내 예측 모드 및 엔트로피 부호화/복호화 방법 및 장치
KR20220038127A (ko) * 2019-08-22 2022-03-25 엘지전자 주식회사 매트릭스 기반 인트라 예측 장치 및 방법
WO2021069688A1 (en) * 2019-10-11 2021-04-15 Interdigital Vc Holdings France, Sas Deep intra predictor generating side information
WO2023193254A1 (zh) * 2022-04-08 2023-10-12 Oppo广东移动通信有限公司 解码方法、编码方法、解码器以及编码器
WO2024080771A1 (ko) * 2022-10-12 2024-04-18 엘지전자 주식회사 인트라 예측에 기반한 영상 부호화/복호화 방법, 비트스트림을 전송하는 방법 및 비트스트림을 저장한 기록 매체

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11134257B2 (en) * 2019-04-04 2021-09-28 Tencent America LLC Simplified signaling method for affine linear weighted intra prediction mode
WO2020207498A1 (en) * 2019-04-12 2020-10-15 Beijing Bytedance Network Technology Co., Ltd. Chroma coding mode determination based on matrix-based intra prediction
BR112021020764A2 (pt) * 2019-04-16 2021-12-14 Lg Electronics Inc Transformada para intrapredição baseada em matriz na codificação de imagens
US11381808B2 (en) * 2019-04-25 2022-07-05 Hfi Innovation Inc. Method and apparatus of matrix based intra prediction in image and video processing
US11363284B2 (en) * 2019-05-09 2022-06-14 Qualcomm Incorporated Upsampling in affine linear weighted intra prediction
US11134275B2 (en) * 2019-06-04 2021-09-28 Tencent America LLC Method and apparatus for performing primary transform based on filtering of blocks
US11252410B2 (en) * 2019-06-11 2022-02-15 Tencent America LLC Method and apparatus for video coding
US20200404324A1 (en) * 2019-06-19 2020-12-24 Qualcomm Incorporated Signaling for intra coding of video data
CN113382253B (zh) * 2019-06-21 2022-05-20 杭州海康威视数字技术股份有限公司 一种编解码方法、装置、设备及存储介质
US11197025B2 (en) * 2019-06-21 2021-12-07 Qualcomm Incorporated Signaling of matrix intra prediction parameters in video coding
WO2021040941A1 (en) * 2019-08-30 2021-03-04 Alibaba Group Holding Limited Matrix weighted intra prediction of video signals
US20210092405A1 (en) * 2019-09-19 2021-03-25 Qualcomm Incorporated Matrix combination for matrix-weighted intra prediction in video coding
EP4035360A1 (en) * 2019-09-24 2022-08-03 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Efficient implementation of matrix-based intra-prediction
US11563957B2 (en) * 2021-01-13 2023-01-24 Lemon Inc. Signaling for decoder-side intra mode derivation

Also Published As

Publication number Publication date
EP3975565A1 (en) 2022-03-30
EP3975565A4 (en) 2022-07-27
JP2022539768A (ja) 2022-09-13
US20220191548A1 (en) 2022-06-16
CN114786019A (zh) 2022-07-22
WO2021004153A1 (zh) 2021-01-14
KR20220029589A (ko) 2022-03-08

Similar Documents

Publication Publication Date Title
US11910014B2 (en) Image encoding method using a skip mode, and a device using the method
AU2014376061B2 (en) Block vector prediction in video and image coding/decoding
CN113115047B (zh) 视频编解码方法和设备
JP6701270B2 (ja) 符号化装置、復号方法、符号化方法、復号方法、及びプログラム
EP2319241B1 (en) Skip modes for inter-layer residual video coding and decoding
US11350125B2 (en) Method and device for intra-prediction
CN114467306A (zh) 图像预测方法、编码器、解码器以及存储介质
WO2021004152A1 (zh) 图像分量的预测方法、编码器、解码器以及存储介质
JP7343669B2 (ja) Ｖｖｃにおける色変換のための方法及び機器
JP2016541144A (ja) ビデオ及び画像符号化及び復号のためのベースカラーインデックスマップモードの機能
US11706449B2 (en) Method and device for intra-prediction
KR20220160667A (ko) 분리된 변환 분할
CN114830646A (zh) 图像编码方法和图像解码方法
CN114007082A (zh) 一种解码、编码、编解码方法、装置及其设备
KR20120139608A (ko) 비디오 인코딩 및 디코딩 방법과 이를 이용한 장치
JP2019022015A (ja) 映像符号化装置、映像復号装置及びプログラム
WO2022140905A1 (zh) 预测方法、编码器、解码器以及存储介质
KR20130070195A (ko) 문맥 기반의 샘플 적응적 오프셋 필터 방향 추론 및 적응적 선택에 대한 비디오 방법 및 장치
CN114830643A (zh) 图像编码方法和图像解码方法
CN114830641A (zh) 图像编码方法和图像解码方法

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination