CA2011034A1 - Un dispositif de codage - Google Patents

Un dispositif de codage

Info

Publication number
CA2011034A1
CA2011034A1 CA2011034A CA2011034A CA2011034A1 CA 2011034 A1 CA2011034 A1 CA 2011034A1 CA 2011034 A CA2011034 A CA 2011034A CA 2011034 A CA2011034 A CA 2011034A CA 2011034 A1 CA2011034 A1 CA 2011034A1
Authority
CA
Canada
Prior art keywords
distribution table
coefficient data
data
predetermined period
highly efficient
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.)
Granted
Application number
CA2011034A
Other languages
English (en)
Other versions
CA2011034C (fr
Inventor
Norihisa Shirota
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.)
Sony Corp
Original Assignee
Sony Corp
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 Sony Corp filed Critical Sony Corp
Publication of CA2011034A1 publication Critical patent/CA2011034A1/fr
Application granted granted Critical
Publication of CA2011034C publication Critical patent/CA2011034C/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
    • H04N19/60—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
    • H04N19/189—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
    • H04N19/115—Selection of the code volume for a coding unit prior to 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
    • H04N19/102—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
    • H04N19/14—Coding unit complexity, e.g. amount of activity or edge presence estimation
    • 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
    • H04N19/149—Data rate or code amount at the encoder output by estimating the code amount by means of a model, e.g. mathematical model or statistical model
    • 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
    • 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
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • Algebra (AREA)
  • General Physics & Mathematics (AREA)
  • Mathematical Analysis (AREA)
  • Mathematical Optimization (AREA)
  • Pure & Applied Mathematics (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
CA002011034A 1989-02-28 1990-02-27 Un dispositif de codage Expired - Fee Related CA2011034C (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP1046971A JPH02226886A (ja) 1989-02-28 1989-02-28 データ伝送装置及び伝送方法
JP046971/89 1989-02-28

Publications (2)

Publication Number Publication Date
CA2011034A1 true CA2011034A1 (fr) 1990-08-31
CA2011034C CA2011034C (fr) 2000-05-30

Family

ID=12762141

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002011034A Expired - Fee Related CA2011034C (fr) 1989-02-28 1990-02-27 Un dispositif de codage

Country Status (6)

Country Link
US (1) US5006931A (fr)
EP (1) EP0385654B1 (fr)
JP (1) JPH02226886A (fr)
KR (1) KR900013793A (fr)
CA (1) CA2011034C (fr)
DE (1) DE69030459D1 (fr)

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DE69130275T2 (de) * 1990-07-31 1999-04-08 Canon K.K., Tokio/Tokyo Verfahren und Gerät zur Bildverarbeitung
US5146324A (en) * 1990-07-31 1992-09-08 Ampex Corporation Data compression using a feedforward quantization estimator
US6915014B1 (en) 1990-07-31 2005-07-05 Canon Kabushiki Kaisha Image processing apparatus and method
DE69125329T2 (de) * 1990-09-10 1997-10-09 Mitsubishi Electric Corp Kodiervorrichtung für digitale Bilddaten
US5150208A (en) * 1990-10-19 1992-09-22 Matsushita Electric Industrial Co., Ltd. Encoding apparatus
KR100238714B1 (ko) * 1990-10-24 2000-01-15 루엘랑 브리지뜨 데이타를 전송 및 기억시키기 위한 방법, 코더 및 디코더
DE69132076T2 (de) * 1990-12-28 2000-08-24 Canon K.K., Tokio/Tokyo Vorrichtung zur Bildverarbeitung
JPH04249490A (ja) * 1991-02-06 1992-09-04 Matsushita Electric Ind Co Ltd 符号化装置
US5111292A (en) * 1991-02-27 1992-05-05 General Electric Company Priority selection apparatus as for a video signal processor
EP0502545B1 (fr) * 1991-03-07 1996-09-11 Mitsubishi Denki Kabushiki Kaisha Dispositif de codage pour coder un signal d'image numérique
JP3338460B2 (ja) * 1991-05-09 2002-10-28 ソニー株式会社 映像信号符号化装置及び映像信号符号化方法
EP0514663A3 (en) * 1991-05-24 1993-07-14 International Business Machines Corporation An apparatus and method for motion video encoding employing an adaptive quantizer
JPH0583696A (ja) * 1991-06-07 1993-04-02 Sony Corp 画像符号化装置
JPH04368088A (ja) * 1991-06-14 1992-12-21 Kokusai Denshin Denwa Co Ltd <Kdd> 動画像直交変換方式における交流成分の適応符号化方式
JPH0556418A (ja) * 1991-08-28 1993-03-05 Sharp Corp 画像符号化装置
US5298997A (en) * 1991-10-01 1994-03-29 Ricoh Company, Ltd. Line data-block data converting circuit
DE69225859T2 (de) * 1991-10-02 1998-12-03 Matsushita Electric Industrial Co., Ltd., Kadoma, Osaka Orthogonaltransformationskodierer
JPH05103212A (ja) * 1991-10-03 1993-04-23 Sony Corp データ伝送装置
JP2586260B2 (ja) 1991-10-22 1997-02-26 三菱電機株式会社 適応的ブロッキング画像符号化装置
US5214507A (en) * 1991-11-08 1993-05-25 At&T Bell Laboratories Video signal quantization for an mpeg like coding environment
US5355450A (en) 1992-04-10 1994-10-11 Avid Technology, Inc. Media composer with adjustable source material compression
US5434623A (en) * 1991-12-20 1995-07-18 Ampex Corporation Method and apparatus for image data compression using combined luminance/chrominance coding
KR0141824B1 (ko) * 1991-12-23 1998-07-15 구자홍 가변길이의 적응 영상 압축 방법 및 장치
JP3298915B2 (ja) * 1991-12-28 2002-07-08 ソニー株式会社 符号化装置
US5686961A (en) * 1992-01-27 1997-11-11 Harris Corporation Automatic video image data reduction and prioritization system and method
JP3166291B2 (ja) * 1992-04-03 2001-05-14 ソニー株式会社 量子化コントロール回路
US5339108A (en) * 1992-04-09 1994-08-16 Ampex Corporation Ordering and formatting coded image data and reconstructing partial images from the data
DE4218695A1 (de) * 1992-06-09 1993-12-16 Thomson Brandt Gmbh Verfahren, Coder und Decoder zur Datenübertragung und/oder -speicherung
US5253055A (en) * 1992-07-02 1993-10-12 At&T Bell Laboratories Efficient frequency scalable video encoding with coefficient selection
US5663763A (en) * 1992-10-29 1997-09-02 Sony Corp. Picture signal encoding method and apparatus and picture signal decoding method and apparatus
US5510785A (en) * 1993-03-19 1996-04-23 Sony Corporation Method of coding a digital signal, method of generating a coding table, coding apparatus and coding method
US5748245A (en) 1993-03-29 1998-05-05 Canon Kabushiki Kaisha Encoding apparatus for encoding input information data while controlling a code quantity of encoded information data
US5321522A (en) * 1993-07-19 1994-06-14 Xerox Corporation ADCT compression with minimum compression ratio
EP0637889B1 (fr) * 1993-08-06 2001-01-17 Lg Electronics Inc. Dispositif pour convertir la fréquence de trame d'image
JP3336754B2 (ja) * 1994-08-19 2002-10-21 ソニー株式会社 デジタルビデオ信号の記録方法及び記録装置
JP3115199B2 (ja) * 1994-12-16 2000-12-04 松下電器産業株式会社 画像圧縮符号化装置
JP3170193B2 (ja) * 1995-03-16 2001-05-28 松下電器産業株式会社 画像信号の符号化装置及び復号装置
KR100219133B1 (ko) * 1996-01-06 1999-09-01 윤종용 변환부호화시스템의 변환계수선택방법및그장치
EP0899961A1 (fr) * 1997-08-25 1999-03-03 Tektronix, Inc. Traitement pipeline de régulation du débit dans la compression d'images de mouvement
AU1937799A (en) * 1997-12-23 1999-07-12 Sarnoff Corporation Partial decoding of compressed video sequences
US6516029B1 (en) * 1998-03-06 2003-02-04 Divio, Inc. Method and apparatus for adaptive video encoding
US7113902B2 (en) * 2000-03-02 2006-09-26 Texas Instruments Incorporated Data processing condition detector with table lookup
JP3519673B2 (ja) * 2000-07-07 2004-04-19 松下電器産業株式会社 動画データ作成装置及び動画符号化装置
JP2004171301A (ja) * 2002-11-20 2004-06-17 Canon Inc 画像処理方法及び装置
KR100566290B1 (ko) * 2003-09-18 2006-03-30 삼성전자주식회사 스캔 테이블을 이용한 영상 주사방법과 그를 적용한 이산코사인 변환 장치
KR101426272B1 (ko) * 2008-03-10 2014-08-07 삼성전자주식회사 영상 부호화장치 및 영상 복호화장치
US20110194616A1 (en) * 2008-10-01 2011-08-11 Nxp B.V. Embedded video compression for hybrid contents
WO2017082304A1 (fr) * 2015-11-11 2017-05-18 日本電気株式会社 Dispositif de compression d'informations, procédé de compression d'informations, support d'enregistrement et dispositif de codage

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JP3152394B2 (ja) * 1988-12-13 2001-04-03 株式会社東芝 画像符号化方式
JPH02122766A (ja) * 1988-11-01 1990-05-10 Fuji Photo Film Co Ltd 画像データ圧縮装置及び方法ならびに圧縮データ伸長装置及び方法

Also Published As

Publication number Publication date
CA2011034C (fr) 2000-05-30
DE69030459D1 (de) 1997-05-22
US5006931A (en) 1991-04-09
JPH02226886A (ja) 1990-09-10
KR900013793A (ko) 1990-09-06
EP0385654A2 (fr) 1990-09-05
EP0385654A3 (fr) 1992-12-30
EP0385654B1 (fr) 1997-04-16

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