CN115699745A - 图像编解码方法和装置 - Google Patents

图像编解码方法和装置 Download PDF

Info

Publication number
CN115699745A
CN115699745A CN202080101374.6A CN202080101374A CN115699745A CN 115699745 A CN115699745 A CN 115699745A CN 202080101374 A CN202080101374 A CN 202080101374A CN 115699745 A CN115699745 A CN 115699745A
Authority
CN
China
Prior art keywords
image
layer
frame
code stream
enhancement layer
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
CN202080101374.6A
Other languages
English (en)
Inventor
张怡轩
陈绍林
孟琳
冯俊凯
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.)
Huawei Technologies Co Ltd
Original Assignee
Huawei Technologies Co 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 Huawei Technologies Co Ltd filed Critical Huawei Technologies Co Ltd
Publication of CN115699745A publication Critical patent/CN115699745A/zh
Pending legal-status Critical Current

Links

Images

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/134Methods 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
    • H04N19/164Feedback from the receiver or from the transmission channel
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/169Methods 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
    • H04N19/17Methods 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
    • H04N19/172Methods 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 picture, frame or field
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/102Methods 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
    • H04N19/103Selection of coding mode or of prediction mode
    • H04N19/105Selection 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
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/102Methods 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
    • H04N19/117Filters, e.g. for pre-processing or post-processing
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/169Methods 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
    • H04N19/187Methods 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 scalable video layer
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/30Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using hierarchical techniques, e.g. scalability
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/46Embedding additional information in the video signal during the compression process
    • H04N19/463Embedding additional information in the video signal during the compression process by compressing encoding parameters before transmission
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/50Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding
    • H04N19/503Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding involving temporal prediction
    • H04N19/51Motion estimation or motion compensation
    • H04N19/513Processing of motion vectors
    • H04N19/517Processing of motion vectors by encoding
    • H04N19/52Processing of motion vectors by encoding by predictive encoding

Landscapes

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

Abstract

本申请提供一种图像编解码方法和装置。本申请图像编解码方法,包括:获取待编码图像,待编码图像被划分成基本层和至少一个增强层;当接收到解码端发送的反馈信息时,将反馈信息中指示的帧序号和层序号对应的重构图像确定为第一参考帧,根据第一参考帧对基本层进行帧间编码得到基本层的码流;对所述至少一个增强层分别进行编码得到所述至少一个增强层的码流;向解码端发送基本层的码流和至少一个增强层的码流,基本层的码流携带编码参考信息。本申请可以提高当前图像帧的质量或分辨率。

Description

PCT国内申请,说明书已公开。

Claims (43)

  1. PCT国内申请,权利要求书已公开。
CN202080101374.6A 2020-05-26 2020-05-26 图像编解码方法和装置 Pending CN115699745A (zh)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/CN2020/092408 WO2021237475A1 (zh) 2020-05-26 2020-05-26 图像编解码方法和装置

Publications (1)

Publication Number Publication Date
CN115699745A true CN115699745A (zh) 2023-02-03

Family

ID=78745241

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202080101374.6A Pending CN115699745A (zh) 2020-05-26 2020-05-26 图像编解码方法和装置

Country Status (4)

Country Link
US (1) US20230103928A1 (zh)
EP (1) EP4156686A4 (zh)
CN (1) CN115699745A (zh)
WO (1) WO2021237475A1 (zh)

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101360243A (zh) * 2008-09-24 2009-02-04 腾讯科技(深圳)有限公司 基于反馈参考帧的视频通信系统及方法
US20130223524A1 (en) * 2012-02-29 2013-08-29 Microsoft Corporation Dynamic insertion of synchronization predicted video frames
WO2013158293A1 (en) * 2012-04-19 2013-10-24 Vid Scale, Inc. System and method for error-resilient video coding
US20140086328A1 (en) * 2012-09-25 2014-03-27 Qualcomm Incorporated Scalable video coding in hevc
JP6261215B2 (ja) * 2013-07-12 2018-01-17 キヤノン株式会社 画像符号化装置、画像符号化方法及びプログラム、画像復号装置、画像復号方法及びプログラム
CN104469369B (zh) * 2014-11-17 2017-10-31 何震宇 一种利用解码端信息提高svc性能的方法
CN106101709B (zh) * 2016-07-08 2019-04-16 上海大学 一种联合增强层的shvc质量可分级的基本层帧间预测方法

Also Published As

Publication number Publication date
US20230103928A1 (en) 2023-04-06
EP4156686A4 (en) 2023-04-12
WO2021237475A1 (zh) 2021-12-02
EP4156686A1 (en) 2023-03-29

Similar Documents

Publication Publication Date Title
US7924917B2 (en) Method for encoding and decoding video signals
WO2018111681A1 (en) Viewport-aware quality metric for 360-degree video
US20220188976A1 (en) Image processing method and apparatus
JP2017208849A (ja) 小待ち時間レート制御システムおよび方法
CN109074161A (zh) 用于360度视频的混合图形及像素域架构
JP2012533220A (ja) モバイルデバイスからワイヤレスディスプレイにコンテンツを送信するシステムおよび方法
CN112292859B (zh) 一种用于解码至少一个视频流的方法和装置
KR101266667B1 (ko) 장치 내 제어기에서 프로그래밍되는 압축 방법 및 시스템
US20170094294A1 (en) Video encoding and decoding with back channel message management
US20140119456A1 (en) Encoding video into lower resolution streams
US10506245B2 (en) Video data processing using a ring buffer
US10506257B2 (en) Method and system of video processing with back channel message management
KR20120082994A (ko) 움직임 벡터 부호화/복호화 방법 및 장치
CN113132728B (zh) 编码方法及编码器
CN112532908A (zh) 视频图像的传输方法、发送设备、视频通话方法和设备
US10506283B2 (en) Video decoding and rendering using combined jitter and frame buffer
US20140321556A1 (en) Reducing amount of data in video encoding
Nightingale et al. Video adaptation for consumer devices: opportunities and challenges offered by new standards
US20230017934A1 (en) Image encoding and decoding methods and apparatuses
CN115866297A (zh) 视频处理方法、装置、设备及存储介质
CN115699745A (zh) 图像编解码方法和装置
CN116195255A (zh) 支持基于观看方向的比特流随机访问
US9432614B2 (en) Integrated downscale in video core
WO2023015520A1 (zh) 图像编解码方法和装置
US20240187611A1 (en) Image encoding and decoding method and apparatus

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