CN111108749A - 编码方法、解码方法、编码设备和解码设备 - Google Patents

编码方法、解码方法、编码设备和解码设备 Download PDF

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Publication number
CN111108749A
CN111108749A CN201880054725.5A CN201880054725A CN111108749A CN 111108749 A CN111108749 A CN 111108749A CN 201880054725 A CN201880054725 A CN 201880054725A CN 111108749 A CN111108749 A CN 111108749A
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China
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prediction mode
intra
prediction
mode
modes
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Pending
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CN201880054725.5A
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English (en)
Inventor
王苫社
李聪蕊
郑萧桢
马思伟
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Peking University
SZ DJI Technology Co Ltd
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Peking University
SZ DJI Technology Co Ltd
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Publication of CN111108749A publication Critical patent/CN111108749A/zh
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    • 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
    • H04N19/134—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
    • H04N19/46—Embedding additional information in the video signal during the compression process
    • 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

Abstract

一种编码方法、解码方法、编码设备和解码设备，该编码方法包括：确定当前块的帧内预测方式，所述帧内预测方式选自单种帧内预测模式和两种帧内预测模式的组合；将用于指示所述帧内预测方式的指示信息编码到码流中，所述指示信息中包括用于指示所述帧内预测方式是单种帧内预测模式或是两种帧内预测模式的组合的第一信息。本申请的方法中，当前块的帧内预测方式是从单种帧内预测模式和两种帧内预测模式的组合中选择的，选择出的帧内预测方式对应的残差更小，可以节省编码开销，降低码率，提高预测效率。

Description

PCT国内申请，说明书已公开。

Claims (64)

  1. PCT国内申请，权利要求书已公开。
CN201880054725.5A 2018-09-25 2018-09-25 编码方法、解码方法、编码设备和解码设备 Pending CN111108749A (zh)

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PCT/CN2018/107435 WO2020061784A1 (zh) 2018-09-25 2018-09-25 编码方法、解码方法、编码设备和解码设备

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Cited By (1)

* Cited by examiner, † Cited by third party
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WO2022188114A1 (zh) * 2021-03-11 2022-09-15 Oppo广东移动通信有限公司 帧内预测方法、编码器、解码器以及存储介质

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WO2012035640A1 (ja) * 2010-09-16 2012-03-22 株式会社 東芝 動画像符号化方法及び動画像復号化方法
US20130094581A1 (en) * 2010-01-07 2013-04-18 Akiyuki Tanizawa Moving-picture encoding apparatus and moving-picture decoding apparatus
CN107465916A (zh) * 2011-06-28 2017-12-12 寰发股份有限公司 编码/解码帧内预测模式的方法及装置
CN107623857A (zh) * 2011-04-12 2018-01-23 韩国电子通信研究院 视频编码/解码方法、设备以及生成和存储比特流的方法
CN107736022A (zh) * 2015-06-18 2018-02-23 高通股份有限公司 帧内预测及帧内模式译码
CN107743705A (zh) * 2015-06-18 2018-02-27 高通股份有限公司 帧内预测及帧内模式译码
US20180103251A1 (en) * 2016-10-07 2018-04-12 Industrial Technology Research Institute Method for selecting prediction mode of intra prediction, video encoding device and image processing apparatus
US20180160113A1 (en) * 2015-06-05 2018-06-07 Intellectual Discovery Co., Ltd. Method and device for encoding and decoding intra-frame prediction

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CN101222641B (zh) * 2007-01-11 2011-08-24 华为技术有限公司 帧内预测编解码方法及其装置
EP3459244A4 (en) * 2016-01-12 2020-03-04 Telefonaktiebolaget LM Ericsson (publ) VIDEO CODING WITH HYBRID INTRAPREDICTION

Patent Citations (9)

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WO2010093146A2 (ko) * 2009-02-12 2010-08-19 에스케이텔레콤 주식회사 영상 부호화/복호화 장치 및 방법
US20130094581A1 (en) * 2010-01-07 2013-04-18 Akiyuki Tanizawa Moving-picture encoding apparatus and moving-picture decoding apparatus
WO2012035640A1 (ja) * 2010-09-16 2012-03-22 株式会社 東芝 動画像符号化方法及び動画像復号化方法
CN107623857A (zh) * 2011-04-12 2018-01-23 韩国电子通信研究院 视频编码/解码方法、设备以及生成和存储比特流的方法
CN107465916A (zh) * 2011-06-28 2017-12-12 寰发股份有限公司 编码/解码帧内预测模式的方法及装置
US20180160113A1 (en) * 2015-06-05 2018-06-07 Intellectual Discovery Co., Ltd. Method and device for encoding and decoding intra-frame prediction
CN107736022A (zh) * 2015-06-18 2018-02-23 高通股份有限公司 帧内预测及帧内模式译码
CN107743705A (zh) * 2015-06-18 2018-02-27 高通股份有限公司 帧内预测及帧内模式译码
US20180103251A1 (en) * 2016-10-07 2018-04-12 Industrial Technology Research Institute Method for selecting prediction mode of intra prediction, video encoding device and image processing apparatus

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2022188114A1 (zh) * 2021-03-11 2022-09-15 Oppo广东移动通信有限公司 帧内预测方法、编码器、解码器以及存储介质

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