SE9103381L - Foerfarande och apparat foer bildkodning med val av steghoejd i kvantiseraren - Google Patents

Foerfarande och apparat foer bildkodning med val av steghoejd i kvantiseraren

Info

Publication number
SE9103381L
SE9103381L SE9103381A SE9103381A SE9103381L SE 9103381 L SE9103381 L SE 9103381L SE 9103381 A SE9103381 A SE 9103381A SE 9103381 A SE9103381 A SE 9103381A SE 9103381 L SE9103381 L SE 9103381L
Authority
SE
Sweden
Prior art keywords
buffer store
step height
content
image
store content
Prior art date
Application number
SE9103381A
Other languages
English (en)
Swedish (sv)
Other versions
SE468737B (sv
SE9103381D0 (sv
Inventor
H Brusewitz
Original Assignee
Televerket
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 Televerket filed Critical Televerket
Priority to SE9103381A priority Critical patent/SE468737B/sv
Publication of SE9103381D0 publication Critical patent/SE9103381D0/xx
Priority to GB9221424A priority patent/GB2261567B/en
Priority to JP4324792A priority patent/JPH05260458A/ja
Priority to EP92850267A priority patent/EP0545875B1/fr
Priority to DE69210963T priority patent/DE69210963T2/de
Publication of SE9103381L publication Critical patent/SE9103381L/xx
Publication of SE468737B publication Critical patent/SE468737B/sv
Priority to US08/249,081 priority patent/US5966181A/en

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
    • H04N19/50—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding
    • H04N19/587—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding involving temporal sub-sampling or interpolation, e.g. decimation or subsequent interpolation of pictures in a video sequence
    • 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
    • H04N19/132—Sampling, masking or truncation of coding units, e.g. adaptive resampling, frame skipping, frame interpolation or high-frequency transform coefficient masking
    • 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
    • H04N19/60—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
    • 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
    • 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
    • H04N19/50—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
  • Image Processing (AREA)
SE9103381A 1991-11-15 1991-11-15 Foerfarande och apparat foer bildkodning med val av steghoejd i kvantiseraren SE468737B (sv)

Priority Applications (6)

Application Number Priority Date Filing Date Title
SE9103381A SE468737B (sv) 1991-11-15 1991-11-15 Foerfarande och apparat foer bildkodning med val av steghoejd i kvantiseraren
GB9221424A GB2261567B (en) 1991-11-15 1992-10-13 Method and device for image coding of a video signal
JP4324792A JPH05260458A (ja) 1991-11-15 1992-11-10 ビデオシグナルのイメージコーディングのための方法及び装置
EP92850267A EP0545875B1 (fr) 1991-11-15 1992-11-12 Méthode pour le codage d'images d'un signal vidéo
DE69210963T DE69210963T2 (de) 1991-11-15 1992-11-12 Verfahren zur Bildkodierung eines Videosignals
US08/249,081 US5966181A (en) 1991-11-15 1994-05-25 Video coding system with buffer control quantization step size

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE9103381A SE468737B (sv) 1991-11-15 1991-11-15 Foerfarande och apparat foer bildkodning med val av steghoejd i kvantiseraren

Publications (3)

Publication Number Publication Date
SE9103381D0 SE9103381D0 (sv) 1991-11-15
SE9103381L true SE9103381L (sv) 1993-03-08
SE468737B SE468737B (sv) 1993-03-08

Family

ID=20384337

Family Applications (1)

Application Number Title Priority Date Filing Date
SE9103381A SE468737B (sv) 1991-11-15 1991-11-15 Foerfarande och apparat foer bildkodning med val av steghoejd i kvantiseraren

Country Status (6)

Country Link
US (1) US5966181A (fr)
EP (1) EP0545875B1 (fr)
JP (1) JPH05260458A (fr)
DE (1) DE69210963T2 (fr)
GB (1) GB2261567B (fr)
SE (1) SE468737B (fr)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE1007807A3 (nl) * 1993-11-30 1995-10-24 Philips Electronics Nv Inrichting voor het coderen van een videosignaal.
US5687095A (en) * 1994-11-01 1997-11-11 Lucent Technologies Inc. Video transmission rate matching for multimedia communication systems
DE19524872C1 (de) * 1995-07-07 1997-02-20 Siemens Ag Verfahren und Anordnung zur Codierung und Decodierung von einem Videodatenstrom für alle Bildelemente des Videodatenstroms
EP0774869A3 (fr) * 1995-11-16 1999-09-29 Hitachi Denshi Kabushiki Kaisha Système de codage/décodage de données d'image
US6212232B1 (en) 1998-06-18 2001-04-03 Compaq Computer Corporation Rate control and bit allocation for low bit rate video communication applications
GB2341745A (en) * 1998-09-10 2000-03-22 Snell & Wilcox Ltd Image encoding
JP3871840B2 (ja) 1999-12-24 2007-01-24 日本電気株式会社 圧縮動画像再符号化装置
JP3662171B2 (ja) * 2000-06-05 2005-06-22 三菱電機株式会社 符号化装置及び符号化方法
JP4492777B2 (ja) 2001-08-28 2010-06-30 日本電気株式会社 動画像符号化装置
US20130208809A1 (en) * 2012-02-14 2013-08-15 Microsoft Corporation Multi-layer rate control

Family Cites Families (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5992688A (ja) * 1982-11-19 1984-05-28 Fuji Photo Film Co Ltd 適応形画像圧縮方式
EP0201679B1 (fr) * 1985-04-17 1991-03-13 Siemens Aktiengesellschaft Procédé de réduction de données d'images pour des signaux de télévision numériques
US4833535A (en) * 1987-02-04 1989-05-23 Kabushiki Kaisha Toshiba Image transmission apparatus
BE1000643A5 (fr) * 1987-06-05 1989-02-28 Belge Etat Procede de codage de signaux d'image.
US4897855A (en) * 1987-12-01 1990-01-30 General Electric Company DPCM system with adaptive quantizer having unchanging bin number ensemble
US4954892A (en) * 1989-02-14 1990-09-04 Mitsubishi Denki Kabushiki Kaisha Buffer controlled picture signal encoding and decoding system
EP0396846B1 (fr) * 1989-05-12 1993-04-28 Rai Radiotelevisione Italiana Dispositif pour le codage en transform de cosinus discret des signaux vidéos numèriques
JP2520306B2 (ja) * 1989-05-24 1996-07-31 三菱電機株式会社 変換符号化装置
GB8921319D0 (en) * 1989-09-21 1989-11-08 British Broadcasting Corp Digital coder
JPH03129987A (ja) * 1989-10-14 1991-06-03 Sony Corp 映像信号符号化装置及び映像信号符号化方法
US4969040A (en) * 1989-10-26 1990-11-06 Bell Communications Research, Inc. Apparatus and method for differential sub-band coding of video signals
JPH0714209B2 (ja) * 1989-12-20 1995-02-15 松下電器産業株式会社 動画像符号化装置
US5164828A (en) * 1990-02-26 1992-11-17 Sony Corporation Video signal transmission and method and apparatus for coding video signal used in this
WO1991014339A1 (fr) * 1990-03-15 1991-09-19 Thomson Consumer Electronics S.A. Codage d'image numerique avec calcul du seuil de quantification
FR2660139B1 (fr) * 1990-03-23 1995-08-25 France Etat Procede de codage et de transmission a au moins deux niveaux de qualite d'images numeriques appartenant a une sequence d'images, et dispositifs correspondants.
US5038209A (en) * 1990-09-27 1991-08-06 At&T Bell Laboratories Adaptive buffer/quantizer control for transform video coders

Also Published As

Publication number Publication date
EP0545875B1 (fr) 1996-05-22
GB2261567B (en) 1995-04-19
EP0545875A1 (fr) 1993-06-09
US5966181A (en) 1999-10-12
SE468737B (sv) 1993-03-08
DE69210963D1 (de) 1996-06-27
GB9221424D0 (en) 1992-11-25
SE9103381D0 (sv) 1991-11-15
DE69210963T2 (de) 1997-01-16
GB2261567A (en) 1993-05-19
JPH05260458A (ja) 1993-10-08

Similar Documents

Publication Publication Date Title
SE9103380D0 (sv) Foerfarande och apparat foer bildkodning med oeverhoppning av bilder och/eller komponenter
EP0345608A3 (fr) Méthode et système de compression de données avec commande de tampon
KR950035434A (ko) 양자화 제어 장치, 양자화 제어 방법 및 부호화 장치
SE9103381L (sv) Foerfarande och apparat foer bildkodning med val av steghoejd i kvantiseraren
TW348355B (en) Quantization circuitry as for video signal compression systems
KR960006650A (ko) 가변 속도 주 데이타 스트림과 가변 속도 보조 데이타 스트림 결합 방법
EP0771120A3 (fr) Appareil de codage et décodage vidéo
WO1995026111A3 (fr) Memoire intermediaire de codeur dont la taille effective varie automatiquement en fonction du debit binaire du canal
JPH03204290A (ja) 映像信号符号化方法及びその装置
AU2951289A (en) Decoding apparatus
EP0785686A3 (fr) Méthode et appareil de transmission et de réception d'un signal de télévision
EP0858171A3 (fr) Codage des signaux numériques
JPS63261931A (ja) ビデオ画像用ソースエンコーダ
WO2004056123A8 (fr) Traitement des signaux
EP0384544A3 (fr) Codeur analogique-numérique et décodeur numérique-analogique
JPS5648737A (en) Coding-decoding device
JPS5671177A (en) Quantizing circuit
JPS6410742A (en) Digital signal transmission system
KR900008880A (ko) 아나로그 휘도 및 색도 정보 성분을 전하는 신호 수신장치
JPS5454518A (en) Coding system
SE9103630D0 (sv) Apparat foer bildkodning med generell krets
KR100238687B1 (ko) 디지탈 버퍼 제어장치
KR950010398B1 (ko) 버퍼상태에 따른 비선형 양자화제어방법
KR930022879A (ko) Dpcm부호화방법 및 그 장치
DE59309377D1 (de) Leitungsentzerrer

Legal Events

Date Code Title Description
NAL Patent in force

Ref document number: 9103381-1

Format of ref document f/p: F

NUG Patent has lapsed