WO2020258188A9 - 解码方法、解码器和解码系统 - Google Patents

解码方法、解码器和解码系统 Download PDF

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Publication number
WO2020258188A9
WO2020258188A9 PCT/CN2019/093378 CN2019093378W WO2020258188A9 WO 2020258188 A9 WO2020258188 A9 WO 2020258188A9 CN 2019093378 W CN2019093378 W CN 2019093378W WO 2020258188 A9 WO2020258188 A9 WO 2020258188A9
Authority
WO
WIPO (PCT)
Prior art keywords
code
decoding
code block
layer
decoder
Prior art date
Application number
PCT/CN2019/093378
Other languages
English (en)
French (fr)
Other versions
WO2020258188A1 (zh
Inventor
任子木
Original Assignee
深圳市大疆创新科技有限公司
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 深圳市大疆创新科技有限公司 filed Critical 深圳市大疆创新科技有限公司
Priority to CN201980009144.4A priority Critical patent/CN111656784A/zh
Priority to PCT/CN2019/093378 priority patent/WO2020258188A1/zh
Publication of WO2020258188A1 publication Critical patent/WO2020258188A1/zh
Publication of WO2020258188A9 publication Critical patent/WO2020258188A9/zh

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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
    • H04N19/124—Quantisation
    • 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
    • H04N19/147—Data rate or code amount at the encoder output according to rate distortion criteria
    • 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
    • H04N19/90—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using coding techniques not provided for in groups H04N19/10-H04N19/85, e.g. fractals
    • H04N19/91—Entropy coding, e.g. variable length coding [VLC] or arithmetic coding

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
  • Error Detection And Correction (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)

Abstract

提供一种解码方法、解码器和解码系统。该解码方法包括：获取当前质量分层的码流的数据包；对所述数据包的包头中的第一码块的层LYR编码进行解码，确定所述质量分层是否为所述第一码块的第一层，所述第一码块的LYR编码为所述第一码块在所述质量分层的包含信息的编码；若所述质量分层为所述第一码块的第一层，对所述数据包的包头中所述第一码块的零比特平面ZBP编码进行解码，确定所述第一码块的ZBP信息。
PCT/CN2019/093378 2019-06-27 2019-06-27 解码方法、解码器和解码系统 WO2020258188A1 (zh)

Priority Applications (2)

Application Number Priority Date Filing Date Title
CN201980009144.4A CN111656784A (zh) 2019-06-27 2019-06-27 解码方法、解码器和解码系统
PCT/CN2019/093378 WO2020258188A1 (zh) 2019-06-27 2019-06-27 解码方法、解码器和解码系统

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/CN2019/093378 WO2020258188A1 (zh) 2019-06-27 2019-06-27 解码方法、解码器和解码系统

Publications (2)

Publication Number Publication Date
WO2020258188A1 WO2020258188A1 (zh) 2020-12-30
WO2020258188A9 true WO2020258188A9 (zh) 2021-02-18

Family

ID=72348512

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/CN2019/093378 WO2020258188A1 (zh) 2019-06-27 2019-06-27 解码方法、解码器和解码系统

Country Status (2)

Country Link
CN (1) CN111656784A (zh)
WO (1) WO2020258188A1 (zh)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115658625B (zh) * 2022-12-12 2023-03-14 北京象帝先计算技术有限公司 数据解压系统、图形处理系统、装置、设备及解压方法

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2842691B1 (fr) * 2002-07-18 2005-01-14 Canon Kk Procede et dispositif de transformation d'un signal numerique
US7200277B2 (en) * 2003-07-01 2007-04-03 Eastman Kodak Company Method for transcoding a JPEG2000 compressed image
JP4774382B2 (ja) * 2007-05-08 2011-09-14 株式会社リコー 画像処理装置、画像処理回路、及び、画像処理方法
CN101360242B (zh) * 2008-09-22 2010-06-02 西安电子科技大学 基于JPEG2000的Tag-tree编码方法
CN102724508A (zh) * 2012-06-07 2012-10-10 西安电子科技大学 Jpeg2000的分辨率自适应节点树编码方法
CN103905819B (zh) * 2014-04-23 2017-02-15 西安电子科技大学 基于多级树集合分裂编码的系统及其实现方法
CN108513130B (zh) * 2017-12-29 2019-10-08 西安电子科技大学 一种Tag-Tree编码的实现系统及方法

Also Published As

Publication number Publication date
CN111656784A (zh) 2020-09-11
WO2020258188A1 (zh) 2020-12-30

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