CN112655207A - 编码方法、编码器以及计算机存储介质 - Google Patents

编码方法、编码器以及计算机存储介质 Download PDF

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Publication number
CN112655207A
CN112655207A CN201880097326.7A CN201880097326A CN112655207A CN 112655207 A CN112655207 A CN 112655207A CN 201880097326 A CN201880097326 A CN 201880097326A CN 112655207 A CN112655207 A CN 112655207A
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China
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moment
encoder
bit rate
virtual buffer
image frame
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周益民
程学理
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Guangdong Oppo Mobile Telecommunications Corp Ltd
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Guangdong Oppo Mobile Telecommunications Corp Ltd
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Publication of CN112655207A publication Critical patent/CN112655207A/zh
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    • 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
    • H04N19/124Quantisation

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

Abstract

一种编码方法、编码器以及计算机存储介质,所述方法应用于一编码器中,所述方法包括:获取编码器在上一时刻的性能参数和待编码图像帧在上一时刻的QP值(S101),根据编码器的目标性能参数,确定编码器在当前时刻与上一时刻性能参数的变化量(S102),根据性能参数的变化量、编码器在上一时刻的性能参数和待编码图像帧在上一时刻的QP值(S103),确定待编码图像帧在当前时刻的QP值,根据待编码图像帧在当前时刻的QP值,对当前时刻的待编码图像帧进行编码(S104)。

Description

PCT国内申请,说明书已公开。

Claims (24)

  1. PCT国内申请,权利要求书已公开。
CN201880097326.7A 2018-11-30 2018-11-30 编码方法、编码器以及计算机存储介质 Pending CN112655207A (zh)

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PCT/CN2018/118701 WO2020107449A1 (zh) 2018-11-30 2018-11-30 编码方法、编码器以及计算机存储介质

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CN112655207A true CN112655207A (zh) 2021-04-13

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN117294316A (zh) * 2023-11-24 2023-12-26 北京邮电大学 一种基于bch码的耦合结构拉链码编译码方法及系统

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20050175093A1 (en) * 2004-02-06 2005-08-11 Haskell Barin G. Target bitrate estimator, picture activity and buffer management in rate control for video coder
CN102355584A (zh) * 2011-10-31 2012-02-15 电子科技大学 基于帧内预测编码模式的码率控制方法
CN102724510A (zh) * 2012-06-21 2012-10-10 中科开元信息技术(北京)有限公司 一种基于虚拟编码缓冲区充盈度的码率控制算法
CN104079933A (zh) * 2014-07-09 2014-10-01 上海君观信息技术有限公司 适用于hevc的低延时码率控制方法及比特数分配方法
CN106231320A (zh) * 2016-08-31 2016-12-14 上海交通大学 一种支持多机并行编码的联合码率控制方法及系统

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101340575B (zh) * 2007-07-03 2012-04-18 英华达(上海)电子有限公司 动态调整视频编码的方法及终端
CN101420601B (zh) * 2008-06-06 2010-10-06 浙江大学 视频编码中码率控制的方法及装置
CN104113761B (zh) * 2013-04-19 2018-05-01 北京大学 一种视频编码中的码率控制方法及编码器

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20050175093A1 (en) * 2004-02-06 2005-08-11 Haskell Barin G. Target bitrate estimator, picture activity and buffer management in rate control for video coder
CN102355584A (zh) * 2011-10-31 2012-02-15 电子科技大学 基于帧内预测编码模式的码率控制方法
CN102724510A (zh) * 2012-06-21 2012-10-10 中科开元信息技术(北京)有限公司 一种基于虚拟编码缓冲区充盈度的码率控制算法
CN104079933A (zh) * 2014-07-09 2014-10-01 上海君观信息技术有限公司 适用于hevc的低延时码率控制方法及比特数分配方法
CN106231320A (zh) * 2016-08-31 2016-12-14 上海交通大学 一种支持多机并行编码的联合码率控制方法及系统

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN117294316A (zh) * 2023-11-24 2023-12-26 北京邮电大学 一种基于bch码的耦合结构拉链码编译码方法及系统
CN117294316B (zh) * 2023-11-24 2024-03-26 北京邮电大学 一种基于bch码的耦合结构拉链码编译码方法及系统

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