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FR2769161B1 - Procede de controle du taux de compression d'images numeriques - Google Patents

Procede de controle du taux de compression d'images numeriques

Info

Publication number
FR2769161B1
FR2769161B1 FR9712562A FR9712562A FR2769161B1 FR 2769161 B1 FR2769161 B1 FR 2769161B1 FR 9712562 A FR9712562 A FR 9712562A FR 9712562 A FR9712562 A FR 9712562A FR 2769161 B1 FR2769161 B1 FR 2769161B1
Authority
FR
France
Prior art keywords
compression
controlling
rate
digital images
images
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.)
Expired - Fee Related
Application number
FR9712562A
Other languages
English (en)
Other versions
FR2769161A1 (fr
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.)
Universite de Neuchatel
Original Assignee
Universite de Neuchatel
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
Priority to FR9712562A priority Critical patent/FR2769161B1/fr
Application filed by Universite de Neuchatel filed Critical Universite de Neuchatel
Priority to EP98943619A priority patent/EP1020083A1/fr
Priority to US09/509,665 priority patent/US6668089B1/en
Priority to CNB988117282A priority patent/CN1134169C/zh
Priority to JP2000515393A priority patent/JP2001519631A/ja
Priority to KR10-2000-7003423A priority patent/KR100503666B1/ko
Priority to AU91504/98A priority patent/AU9150498A/en
Priority to PCT/CH1998/000413 priority patent/WO1999018734A1/fr
Publication of FR2769161A1 publication Critical patent/FR2769161A1/fr
Application granted granted Critical
Publication of FR2769161B1 publication Critical patent/FR2769161B1/fr
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T9/00—Image coding
    • 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
    • H04N19/10—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
    • H04N19/134—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
    • H04N19/60—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
  • Compression Of Band Width Or Redundancy In Fax (AREA)
  • Image Processing (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
FR9712562A 1997-10-01 1997-10-01 Procede de controle du taux de compression d'images numeriques Expired - Fee Related FR2769161B1 (fr)

Priority Applications (8)

Application Number Priority Date Filing Date Title
FR9712562A FR2769161B1 (fr) 1997-10-01 1997-10-01 Procede de controle du taux de compression d'images numeriques
US09/509,665 US6668089B1 (en) 1997-10-01 1998-09-28 Process for controlling the compression ratio of digital images
CNB988117282A CN1134169C (zh) 1997-10-01 1998-09-28 数字图象压缩率的控制方法
JP2000515393A JP2001519631A (ja) 1997-10-01 1998-09-28 デジタル画像の圧縮比を制御する方法
EP98943619A EP1020083A1 (fr) 1997-10-01 1998-09-28 Procede de controle du taux de compression d'images numeriques
KR10-2000-7003423A KR100503666B1 (ko) 1997-10-01 1998-09-28 디지털 이미지의 압축비 제어 공정
AU91504/98A AU9150498A (en) 1997-10-01 1998-09-28 Method for controlling the compression rate of digital images
PCT/CH1998/000413 WO1999018734A1 (fr) 1997-10-01 1998-09-28 Procede de controle du taux de compression d'images numeriques

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR9712562A FR2769161B1 (fr) 1997-10-01 1997-10-01 Procede de controle du taux de compression d'images numeriques

Publications (2)

Publication Number Publication Date
FR2769161A1 FR2769161A1 (fr) 1999-04-02
FR2769161B1 true FR2769161B1 (fr) 1999-12-24

Family

ID=9511979

Family Applications (1)

Application Number Title Priority Date Filing Date
FR9712562A Expired - Fee Related FR2769161B1 (fr) 1997-10-01 1997-10-01 Procede de controle du taux de compression d'images numeriques

Country Status (8)

Country Link
US (1) US6668089B1 (fr)
EP (1) EP1020083A1 (fr)
JP (1) JP2001519631A (fr)
KR (1) KR100503666B1 (fr)
CN (1) CN1134169C (fr)
AU (1) AU9150498A (fr)
FR (1) FR2769161B1 (fr)
WO (1) WO1999018734A1 (fr)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6981060B2 (en) * 2000-12-14 2005-12-27 Telefonaktiebolaget L M Ericsson (Publ) Compression based on channel characteristics
US7302628B2 (en) 2000-12-14 2007-11-27 Telefonaktiebolaget L M Ericsson (Publ) Data compression with incremental redundancy
JP2004179840A (ja) 2002-11-26 2004-06-24 Matsushita Electric Ind Co Ltd 画像データ圧縮装置および画像データ圧縮方法
JP4406640B2 (ja) * 2004-04-09 2010-02-03 ノキア コーポレイション 圧縮画像データファイルの作成方法、画像データ圧縮装置及び撮影装置
US7567722B2 (en) * 2005-03-22 2009-07-28 Qualcomm Incorporated Dynamically scaled file encoding
WO2010077333A1 (fr) * 2008-12-29 2010-07-08 Thomson Licensing Procédé et appareil pour la régulation du débit de compression de trames vidéo
US8804814B1 (en) * 2013-06-04 2014-08-12 Centri Technology, Inc. Seeding of a workspace to optimize codec operations
US11039139B2 (en) * 2018-09-14 2021-06-15 Tencent America LLC Method and apparatus for identity transform in multiple transform selection

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH03224363A (ja) * 1990-01-30 1991-10-03 Ricoh Co Ltd 圧縮データ量制御方式
JPH04175067A (ja) * 1990-11-08 1992-06-23 Toshiba Corp 画像圧縮復元装置
JP2797159B2 (ja) * 1992-03-02 1998-09-17 カシオ計算機株式会社 画像データ圧縮装置及び画像データ圧縮方法
US5379122A (en) * 1992-10-02 1995-01-03 Xerox Corporation Decompression of standard ADCT-compressed images
FR2702580B1 (fr) * 1993-03-09 1995-06-16 Blondel Gerard Procédé de compression d'une image numérique à une taille prédéterminée, et procédé de décompression correspondant.
JP2921358B2 (ja) * 1993-10-06 1999-07-19 富士ゼロックス株式会社 画像符号化装置
US5489943A (en) * 1994-02-14 1996-02-06 Sony Corporation One-pass adaptive bit rate control
US5488364A (en) * 1994-02-28 1996-01-30 Sam H. Eulmi Recursive data compression
JPH08275150A (ja) * 1995-03-29 1996-10-18 Nikon Corp 画像処理装置
JP3682353B2 (ja) * 1996-02-29 2005-08-10 株式会社リコー 画像圧縮方法および画像圧縮装置

Also Published As

Publication number Publication date
CN1134169C (zh) 2004-01-07
KR100503666B1 (ko) 2005-07-26
CN1280745A (zh) 2001-01-17
US6668089B1 (en) 2003-12-23
JP2001519631A (ja) 2001-10-23
AU9150498A (en) 1999-04-27
FR2769161A1 (fr) 1999-04-02
WO1999018734A1 (fr) 1999-04-15
KR20010024343A (ko) 2001-03-26
EP1020083A1 (fr) 2000-07-19

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Legal Events

Date Code Title Description
TP Transmission of property
ST Notification of lapse

Effective date: 20070629