FR2782879B1 - Procede de compression d'images - Google Patents

Procede de compression d'images

Info

Publication number
FR2782879B1
FR2782879B1 FR9810802A FR9810802A FR2782879B1 FR 2782879 B1 FR2782879 B1 FR 2782879B1 FR 9810802 A FR9810802 A FR 9810802A FR 9810802 A FR9810802 A FR 9810802A FR 2782879 B1 FR2782879 B1 FR 2782879B1
Authority
FR
France
Prior art keywords
image compression
compression process
image
compression
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
FR9810802A
Other languages
English (en)
Other versions
FR2782879A1 (fr
Inventor
Dominique Thoreau
Pierre Ruellou
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.)
Technicolor SA
Original Assignee
Thomson Multimedia SA
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 Thomson Multimedia SA filed Critical Thomson Multimedia SA
Priority to FR9810802A priority Critical patent/FR2782879B1/fr
Priority to EP99402099.8A priority patent/EP0982951B1/fr
Priority to CNB991192206A priority patent/CN1164124C/zh
Priority to JP24226099A priority patent/JP4694664B2/ja
Publication of FR2782879A1 publication Critical patent/FR2782879A1/fr
Application granted granted Critical
Publication of FR2782879B1 publication Critical patent/FR2782879B1/fr
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

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
    • H04N19/134—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
    • H04N19/154—Measured or subjectively estimated visual quality after decoding, e.g. measurement of distortion
    • 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
    • H04N19/103—Selection of coding mode or of prediction mode
    • H04N19/105—Selection of the reference unit for prediction within a chosen coding or prediction mode, e.g. adaptive choice of position and number of pixels used for prediction
    • 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
    • H04N19/103—Selection of coding mode or of prediction mode
    • H04N19/107—Selection of coding mode or of prediction mode between spatial and temporal predictive coding, e.g. picture refresh
    • 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
    • H04N19/103—Selection of coding mode or of prediction mode
    • H04N19/112—Selection of coding mode or of prediction mode according to a given display mode, e.g. for interlaced or progressive display mode
    • 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
    • H04N19/12—Selection from among a plurality of transforms or standards, e.g. selection between discrete cosine transform [DCT] and sub-band transform or selection between H.263 and H.264
    • 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
    • H04N19/136—Incoming video signal characteristics or properties
    • H04N19/137—Motion inside a coding unit, e.g. average field, frame or block difference
    • 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
    • H04N19/15—Data rate or code amount at the encoder output by monitoring actual compressed data size at the memory before deciding storage at 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
    • H04N19/134—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
    • H04N19/157—Assigned coding mode, i.e. the coding mode being predefined or preselected to be further used for selection of another element or parameter
    • H04N19/159—Prediction type, e.g. intra-frame, inter-frame or bidirectional frame prediction
    • 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
    • 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)
  • Physics & Mathematics (AREA)
  • Discrete Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
FR9810802A 1998-08-28 1998-08-28 Procede de compression d'images Expired - Fee Related FR2782879B1 (fr)

Priority Applications (4)

Application Number Priority Date Filing Date Title
FR9810802A FR2782879B1 (fr) 1998-08-28 1998-08-28 Procede de compression d'images
EP99402099.8A EP0982951B1 (fr) 1998-08-28 1999-08-23 Procédé de compression d'images
CNB991192206A CN1164124C (zh) 1998-08-28 1999-08-26 图像压缩处理方法
JP24226099A JP4694664B2 (ja) 1998-08-28 1999-08-27 画像圧縮方法

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR9810802A FR2782879B1 (fr) 1998-08-28 1998-08-28 Procede de compression d'images

Publications (2)

Publication Number Publication Date
FR2782879A1 FR2782879A1 (fr) 2000-03-03
FR2782879B1 true FR2782879B1 (fr) 2000-11-03

Family

ID=9529948

Family Applications (1)

Application Number Title Priority Date Filing Date
FR9810802A Expired - Fee Related FR2782879B1 (fr) 1998-08-28 1998-08-28 Procede de compression d'images

Country Status (4)

Country Link
EP (1) EP0982951B1 (fr)
JP (1) JP4694664B2 (fr)
CN (1) CN1164124C (fr)
FR (1) FR2782879B1 (fr)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2823049B1 (fr) * 2001-03-29 2003-06-06 Nextream Sa Procede et dispositif de controle de la qualite de donnees video
EP2096872B1 (fr) 2001-09-14 2014-11-12 NTT DoCoMo, Inc. Procédé de codage, procédé de décodage, appareil de codage, appareil de décodage, système de traitement d'images, programme de codage, programme de décodage
DE10212656A1 (de) 2002-03-21 2003-10-02 Scm Microsystems Gmbh Selektive Verschlüsselung von Multimediadaten
CN1295652C (zh) * 2002-08-20 2007-01-17 宏正自动科技股份有限公司 图像资料编码方法
GB0229396D0 (en) * 2002-12-17 2003-01-22 British Telecomm Signal processing
JP4031455B2 (ja) 2004-03-29 2008-01-09 株式会社東芝 画像符号化装置
EP1766991A1 (fr) * 2004-06-18 2007-03-28 THOMSON Licensing Procede et appareil d'optimisation de codage video
FR2893808A1 (fr) * 2005-11-22 2007-05-25 Thomson Licensing Sas Procede et dispositif de codage d'une image video
CN103810694B (zh) * 2012-11-15 2017-08-01 腾讯科技（深圳）有限公司 图片压缩中质量因子的获取方法及装置
GB2552353B (en) * 2016-07-20 2022-04-20 V Nova Int Ltd Apparatuses, methods, computer programs and computer-readable media

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA2068751C (fr) * 1991-05-24 1998-05-19 Tokumichi Murakami Systeme de codage d'images
JP3307969B2 (ja) * 1991-10-31 2002-07-29 ソニー株式会社 映像信号伝送装置
FR2691272B1 (fr) * 1992-05-15 1997-01-17 Thomson Csf Procede de codage d'images tres bas debit et dispositif de codage mettant en óoeuvre ce procede.
KR0166722B1 (ko) * 1992-11-30 1999-03-20 윤종용 부호화 및 복호화방법 및 그 장치
KR970057947A (ko) * 1995-12-28 1997-07-31 배순훈 영상 부호화기에서의 타입 결정 및 버퍼 제어 장치

Also Published As

Publication number Publication date
EP0982951B1 (fr) 2018-12-26
EP0982951A1 (fr) 2000-03-01
JP4694664B2 (ja) 2011-06-08
CN1250318A (zh) 2000-04-12
JP2000078586A (ja) 2000-03-14
FR2782879A1 (fr) 2000-03-03
CN1164124C (zh) 2004-08-25

Similar Documents

Publication Publication Date Title
FR2776159B1 (fr) Systeme de codage d'images animees
SG74696A1 (en) Two-dimensional image pickup apparatus
DE69921932D1 (de) Bilderzeugungsgerät
DE69926323D1 (de) Bilderzeugungsgerät
DE69927324D1 (de) Bilderzeugungsgerät
DE69924219D1 (de) Bilderzeugungsgerät
FR2777374B1 (fr) Procede de recalage de deux images differentes d'un meme objet
DE69939968D1 (de) Bilderzeugungsgerät
FR2732127B1 (fr) Appareil de formation d'images
FR2797978B1 (fr) Procede de recalage automatique d'images
DE69938215D1 (de) Bilderzeugungsgerät
DE69914399D1 (de) Bilderzeugungsgerät
DE69926029D1 (de) Bilderzeugungsgerät
FR2782879B1 (fr) Procede de compression d'images
FR2747807B1 (fr) Appareil de formation d'image
DE69919964D1 (de) Bilderzeugungsgerät
DE69930823D1 (de) Bilderzeugungsgerät
DE69931865D1 (de) Bilderzeugungsgerät
FR2684830B1 (fr) Procede d'analyse d'images.
DE69903589T2 (de) Bilderzeugungsgerät
FR2795206B1 (fr) Procede de modification d'orientation geometrique d'une image
DE69921217D1 (de) Bilderzeugungsgerät
IT1277962B1 (it) Apparecchio di formazione di immagini
DE69922323D1 (de) Bilderzeugungsgerät
FR2718541B1 (fr) Appareil de formation d'image.

Legal Events

Date Code Title Description
ST Notification of lapse