CN113508584A - 图像分量预测方法、编码器、解码器以及存储介质 - Google Patents

图像分量预测方法、编码器、解码器以及存储介质 Download PDF

Info

Publication number
CN113508584A
CN113508584A CN201980093368.8A CN201980093368A CN113508584A CN 113508584 A CN113508584 A CN 113508584A CN 201980093368 A CN201980093368 A CN 201980093368A CN 113508584 A CN113508584 A CN 113508584A
Authority
CN
China
Prior art keywords
current block
pixel
edge
candidate
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
CN201980093368.8A
Other languages
English (en)
Inventor
马彦卓
霍俊彦
万帅
张伟
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 CN202111193882.4A priority Critical patent/CN113992916B/zh
Publication of CN113508584A publication Critical patent/CN113508584A/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
    • H04N19/105—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
    • H04N19/134—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
    • H04N19/102—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
    • H04N19/157—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)

Abstract

一种图像分量预测方法、编码器、解码器以及存储介质，该方法包括：确定当前块的待预测图像分量的第一参考像素集合(S101)；从所述第一参考像素集合中，确定参考像素子集；其中，所述参考像素子集包含从所述第一参考像素集合中选择的一个或多个候选像素(S102)；利用所述参考像素子集，计算预测模型的模型参数；其中，所述预测模型用于对所述当前块的待预测图像分量进行跨分量预测处理(S103)。

Description

PCT国内申请，说明书已公开。

Claims (38)

  1. PCT国内申请，权利要求书已公开。
CN201980093368.8A 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 Pending CN113508584A (zh)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202111193882.4A CN113992916B (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

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
CN202111193882.4A Division CN113992916B (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
CN113508584A true CN113508584A (zh) 2021-10-15

Family

ID=72609614

Family Applications (2)

Application Number Title Priority Date Filing Date
CN201980093368.8A Pending CN113508584A (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
CN202111193882.4A Active CN113992916B (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

Family Applications After (1)

Application Number Title Priority Date Filing Date
CN202111193882.4A Active CN113992916B (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

Country Status (6)

Country Link
US (1) US20220007011A1 (zh)
EP (1) EP3930324A4 (zh)
JP (1) JP2022528331A (zh)
KR (1) KR20210138760A (zh)
CN (2) CN113508584A (zh)
WO (1) WO2020192109A1 (zh)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2024086406A1 (en) * 2022-10-20 2024-04-25 Tencent America LLC Improvement of 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

Family Cites Families (13)

* 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
WO2016009587A1 (ja) * 2014-07-18 2016-01-21 パナソニック インテレクチュアル プロパティ コーポレーション オブ アメリカ 画像符号化方法、画像復号方法、画像符号化装置、画像復号装置、及びコンテンツ配信方法
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
EP3451662A4 (en) * 2016-04-29 2020-04-22 Intellectual Discovery Co., Ltd. METHOD AND DEVICE FOR CODING / DECODING VIDEO SIGNALS
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
KR20190029737A (ko) * 2016-09-22 2019-03-20 엘지전자 주식회사 영상 코딩 시스템에서 조도 보상 기반 인터 예측 방법 및 장치
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
US10880570B2 (en) * 2016-10-05 2020-12-29 Qualcomm Incorporated Systems and methods of adaptively determining template size for illumination compensation
US10225573B1 (en) * 2017-01-31 2019-03-05 Google Llc Video coding using parameterized motion models
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

Also Published As

Publication number Publication date
CN113992916B (zh) 2023-06-27
KR20210138760A (ko) 2021-11-19
WO2020192109A1 (zh) 2020-10-01
EP3930324A1 (en) 2021-12-29
EP3930324A4 (en) 2022-07-20
JP2022528331A (ja) 2022-06-10
CN113992916A (zh) 2022-01-28
US20220007011A1 (en) 2022-01-06

Similar Documents

Publication Publication Date Title
US11930185B2 (en) Multi-parameters based intra prediction
US10939128B2 (en) Parameter derivation for intra prediction
US11115655B2 (en) Neighboring sample selection for intra prediction
US11902507B2 (en) Parameter derivation for intra prediction
US11438581B2 (en) Conditions in parameter derivation for intra prediction
CN113508584A (zh) 图像分量预测方法、编码器、解码器以及存储介质
WO2020192717A1 (en) Parameter derivation for inter prediction
US20220248000A1 (en) Colour component prediction method, encoder, decoder and storage medium
JP6295805B2 (ja) 画像符号化方法、画像符号化装置および画像符号化プログラム
CN116325727A (zh) 一种帧内预测方法、编码器、解码器及存储介质
CN113840142B (zh) 图像分量预测方法、装置及计算机存储介质

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