JP2005522118A - 量子化器スケール選択を用いた画像符号化 - Google Patents

量子化器スケール選択を用いた画像符号化 Download PDF

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Publication number
JP2005522118A
JP2005522118A JP2003581506A JP2003581506A JP2005522118A JP 2005522118 A JP2005522118 A JP 2005522118A JP 2003581506 A JP2003581506 A JP 2003581506A JP 2003581506 A JP2003581506 A JP 2003581506A JP 2005522118 A JP2005522118 A JP 2005522118A
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Japan
Prior art keywords
quantization scale
blocks
data stream
video data
distortion
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Withdrawn
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JP2003581506A
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English (en)
Japanese (ja)
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JP2005522118A5 (enExample
Inventor
アルマンド ヴィ ウェメルスフェルデル
アドリアヌス シー ティー エム スモルデルス
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Koninklijke Philips NV
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Koninklijke Philips Electronics NV
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Application filed by Koninklijke Philips Electronics NV filed Critical Koninklijke Philips Electronics NV
Publication of JP2005522118A publication Critical patent/JP2005522118A/ja
Publication of JP2005522118A5 publication Critical patent/JP2005522118A5/ja
Withdrawn legal-status Critical Current

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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
    • H04N19/126Details of normalisation or weighting functions, e.g. normalisation matrices or variable uniform quantisers
    • 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
    • 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
    • H04N19/146Data rate or code amount at the encoder output
    • H04N19/147Data rate or code amount at the encoder output according to rate distortion criteria
    • 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
    • H04N19/146Data rate or code amount at the encoder output
    • H04N19/152Data rate or code amount at the encoder output by measuring the fullness of the transmission buffer
    • 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
    • H04N19/176Methods 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
    • 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
    • H04N19/189Methods 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
    • H04N19/192Methods 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
    • 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
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/60Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding
    • H04N19/61Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding in combination with predictive coding

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  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
JP2003581506A 2002-03-28 2003-03-27 量子化器スケール選択を用いた画像符号化 Withdrawn JP2005522118A (ja)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP02076263 2002-03-28
PCT/IB2003/001246 WO2003084240A1 (en) 2002-03-28 2003-03-27 Image coding using quantizer scale selection

Publications (2)

Publication Number Publication Date
JP2005522118A true JP2005522118A (ja) 2005-07-21
JP2005522118A5 JP2005522118A5 (enExample) 2006-05-18

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JP2003581506A Withdrawn JP2005522118A (ja) 2002-03-28 2003-03-27 量子化器スケール選択を用いた画像符号化

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)

Families Citing this family (4)

* 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
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
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
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

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Publication number Publication date
WO2003084240A1 (en) 2003-10-09
KR20040093485A (ko) 2004-11-05
CN1643935A (zh) 2005-07-20
EP1493282A1 (en) 2005-01-05
AU2003215850A1 (en) 2003-10-13
US20050175088A1 (en) 2005-08-11

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