CN1643935A - 使用量化器尺度选择来进行图像编码 - Google Patents

使用量化器尺度选择来进行图像编码 Download PDF

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Publication number
CN1643935A
CN1643935A CNA038068893A CN03806889A CN1643935A CN 1643935 A CN1643935 A CN 1643935A CN A038068893 A CNA038068893 A CN A038068893A CN 03806889 A CN03806889 A CN 03806889A CN 1643935 A CN1643935 A CN 1643935A
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CN
China
Prior art keywords
quantization scale
block
quantization
data stream
distortion
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
CNA038068893A
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English (en)
Chinese (zh)
Inventor
A·V·维梅史费尔德
A·C·T·M·斯莫德斯
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.)
Koninklijke Philips NV
Original Assignee
Koninklijke Philips Electronics NV
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 Koninklijke Philips Electronics NV filed Critical Koninklijke Philips Electronics NV
Publication of CN1643935A publication Critical patent/CN1643935A/zh
Pending legal-status Critical Current

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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
    • H04N19/124—Quantisation
    • H04N19/126—Details of normalisation or weighting functions, e.g. normalisation matrices or variable uniform quantisers
    • 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
    • H04N19/134—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
    • H04N19/152—Data rate or code amount at the encoder output by measuring the fullness of the transmission buffer
    • 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
    • H04N19/189—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the adaptation method, adaptation tool or adaptation type used for the adaptive coding
    • H04N19/192—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the adaptation method, adaptation tool or adaptation type used for the adaptive coding the adaptation method, adaptation tool or adaptation type being iterative or recursive
    • 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
    • H04N19/60—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding
    • H04N19/61—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding in combination with predictive coding

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
CNA038068893A 2002-03-28 2003-03-27 使用量化器尺度选择来进行图像编码 Pending CN1643935A (zh)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP02076263.9 2002-03-28
EP02076263 2002-03-28

Publications (1)

Publication Number Publication Date
CN1643935A true CN1643935A (zh) 2005-07-20

Family

ID=28459535

Family Applications (1)

Application Number Title Priority Date Filing Date
CNA038068893A Pending CN1643935A (zh) 2002-03-28 2003-03-27 使用量化器尺度选择来进行图像编码

Country Status (7)

Country Link
US (1) US20050175088A1 (enExample)
EP (1) EP1493282A1 (enExample)
JP (1) JP2005522118A (enExample)
KR (1) KR20040093485A (enExample)
CN (1) CN1643935A (enExample)
AU (1) AU2003215850A1 (enExample)
WO (1) WO2003084240A1 (enExample)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106791883A (zh) * 2016-11-18 2017-05-31 上海兆芯集成电路有限公司 纹理砖压缩及解压缩方法以及使用该方法的装置
CN114630120A (zh) * 2020-12-14 2022-06-14 瑞昱半导体股份有限公司 基于自适应压缩率的视频压缩方法与电路系统

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2889381A1 (fr) * 2005-07-28 2007-02-02 Thomson Licensing Sas Procede et dispositif de determination de parametres de quantification dans une image
TWI789187B (zh) * 2021-12-29 2023-01-01 瑞昱半導體股份有限公司 壓縮方法與相關的電子裝置

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100207638B1 (ko) * 1995-05-29 1999-07-15 윤종용 가변비트율 비디오 부호화방법

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106791883A (zh) * 2016-11-18 2017-05-31 上海兆芯集成电路有限公司 纹理砖压缩及解压缩方法以及使用该方法的装置
CN114630120A (zh) * 2020-12-14 2022-06-14 瑞昱半导体股份有限公司 基于自适应压缩率的视频压缩方法与电路系统
CN114630120B (zh) * 2020-12-14 2024-03-29 瑞昱半导体股份有限公司 基于自适应压缩率的视频压缩方法与电路系统

Also Published As

Publication number Publication date
WO2003084240A1 (en) 2003-10-09
KR20040093485A (ko) 2004-11-05
EP1493282A1 (en) 2005-01-05
AU2003215850A1 (en) 2003-10-13
US20050175088A1 (en) 2005-08-11
JP2005522118A (ja) 2005-07-21

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