DE69324631T2 - Einrichtung zur Datenratenreduktion - Google Patents

Einrichtung zur Datenratenreduktion

Info

Publication number
DE69324631T2
DE69324631T2 DE1993624631 DE69324631T DE69324631T2 DE 69324631 T2 DE69324631 T2 DE 69324631T2 DE 1993624631 DE1993624631 DE 1993624631 DE 69324631 T DE69324631 T DE 69324631T DE 69324631 T2 DE69324631 T2 DE 69324631T2
Authority
DE
Germany
Prior art keywords
data rate
rate reduction
reduction
data
rate
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 - Lifetime
Application number
DE1993624631
Other languages
English (en)
Other versions
DE69324631D1 (de
Inventor
Tatsuro Juri
Masakazu Nishino
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.)
Panasonic Corp
Original Assignee
Matsushita Electric Industrial Co Ltd
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 Matsushita Electric Industrial Co Ltd filed Critical Matsushita Electric Industrial Co Ltd
Application granted granted Critical
Publication of DE69324631D1 publication Critical patent/DE69324631D1/de
Publication of DE69324631T2 publication Critical patent/DE69324631T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/76—Television signal recording
    • H04N5/91—Television signal processing therefor
    • H04N5/92—Transformation of the television signal for recording, e.g. modulation, frequency changing; Inverse transformation for playback
    • H04N5/926—Transformation of the television signal for recording, e.g. modulation, frequency changing; Inverse transformation for playback by pulse code modulation
    • H04N5/9261—Transformation of the television signal for recording, e.g. modulation, frequency changing; Inverse transformation for playback by pulse code modulation involving data reduction
    • H04N5/9264—Transformation of the television signal for recording, e.g. modulation, frequency changing; Inverse transformation for playback by pulse code modulation involving data reduction 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
    • H04N19/102—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
    • H04N19/149—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
    • H04N19/134—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
    • H04N19/169—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
    • H04N19/10—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
    • H04N19/18—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 a set of transform coefficients
    • 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
    • H04N19/184—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 bits, e.g. of the compressed video stream
    • 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
    • H04N19/102—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
    • H04N19/102—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

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Mathematical Analysis (AREA)
  • Algebra (AREA)
  • General Physics & Mathematics (AREA)
  • Physics & Mathematics (AREA)
  • Mathematical Optimization (AREA)
  • Pure & Applied Mathematics (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
  • Image Processing (AREA)
  • Compression Of Band Width Or Redundancy In Fax (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
DE1993624631 1992-06-15 1993-06-11 Einrichtung zur Datenratenreduktion Expired - Lifetime DE69324631T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP15465092A JP2940304B2 (ja) 1992-06-15 1992-06-15 高能率符号化装置および高能率符号化方法および高能率符号化装置の復号装置

Publications (2)

Publication Number Publication Date
DE69324631D1 DE69324631D1 (de) 1999-06-02
DE69324631T2 true DE69324631T2 (de) 1999-09-09

Family

ID=15588874

Family Applications (1)

Application Number Title Priority Date Filing Date
DE1993624631 Expired - Lifetime DE69324631T2 (de) 1992-06-15 1993-06-11 Einrichtung zur Datenratenreduktion

Country Status (6)

Country Link
US (2) US5481309A (de)
EP (1) EP0575113B1 (de)
JP (1) JP2940304B2 (de)
KR (1) KR970002968B1 (de)
DE (1) DE69324631T2 (de)
HK (1) HK1004507A1 (de)

Families Citing this family (34)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2708168B1 (fr) * 1993-07-20 1995-08-25 Thomson Consumer Electronics Procédé et dispositif d'estimation d'un budget de bits pour encodeurs à longueur de mot variable.
JP2531106B2 (ja) * 1993-08-17 1996-09-04 日本電気株式会社 動画像符号化制御方式
BE1007808A3 (nl) * 1993-11-30 1995-10-24 Philips Electronics Nv Inrichting voor het coderen van een videosignaal.
US6456655B1 (en) * 1994-09-30 2002-09-24 Canon Kabushiki Kaisha Image encoding using activity discrimination and color detection to control quantizing characteristics
JPH08256341A (ja) * 1995-03-17 1996-10-01 Sony Corp 画像信号符号化方法、画像信号符号化装置、画像信号記録媒体、及び画像信号復号化装置
JPH08317219A (ja) * 1995-05-18 1996-11-29 Mitsubishi Electric Corp 画像圧縮伸長装置
KR0166897B1 (ko) * 1995-06-02 1999-03-20 구자홍 이산여현변환 블럭 클래스 결정회로
KR0156191B1 (ko) * 1995-06-14 1998-12-15 구자홍 디브이씨알의 디시티블럭의 클래스 판별장치
US5926569A (en) * 1995-09-28 1999-07-20 Intel Corporation Bitrate damper for selecting quantization levels for image encoding
US5926222A (en) * 1995-09-28 1999-07-20 Intel Corporation Bitrate estimator for selecting quantization levels for image encoding
TW311322B (de) * 1995-10-11 1997-07-21 Nippon Steel Corp
KR100493854B1 (ko) * 1995-10-26 2005-08-04 주식회사 팬택앤큐리텔 물체중심부호화에서의양자화방법
US5650860A (en) * 1995-12-26 1997-07-22 C-Cube Microsystems, Inc. Adaptive quantization
EP0861002B1 (de) * 1996-09-06 2004-12-15 Sony Corporation Verfahren und vorrichtung zur datencodierung
JPH10164581A (ja) * 1996-12-03 1998-06-19 Sony Corp 画像信号符号化方法及び装置、信号記録媒体
US6272175B1 (en) 1997-02-13 2001-08-07 Conexant Systems, Inc. Video signal coding systems and processes using adaptive quantization
US6118822A (en) * 1997-12-01 2000-09-12 Conexant Systems, Inc. Adaptive entropy coding in adaptive quantization framework for video signal coding systems and processes
US6111914A (en) * 1997-12-01 2000-08-29 Conexant Systems, Inc. Adaptive entropy coding in adaptive quantization framework for video signal coding systems and processes
US6122321A (en) * 1998-05-12 2000-09-19 Hitachi America, Ltd. Methods and apparatus for reducing the complexity of inverse quantization operations
US6356668B1 (en) 1998-12-29 2002-03-12 Eastman Kodak Company Method for efficient rate control
US6414992B1 (en) * 1999-01-27 2002-07-02 Sun Microsystems, Inc. Optimal encoding of motion compensated video
US6985542B1 (en) * 2000-06-02 2006-01-10 Cellguide Ltd. Coherent processing of satellite signals to locate a mobile unit
US20020131645A1 (en) * 2001-01-16 2002-09-19 Packeteer Incorporated Method and apparatus for optimizing a JPEG image using regionally variable compression levels
US7430330B2 (en) * 2001-01-16 2008-09-30 Hamilton Chris H Method and apparatus for optimizing a JPEG image using regionally variable compression levels
US6831947B2 (en) 2001-03-23 2004-12-14 Sharp Laboratories Of America, Inc. Adaptive quantization based on bit rate prediction and prediction error energy
FR2848765B1 (fr) * 2002-12-11 2005-04-29 Canon Kk Procede et dispositif de determination d'une configuration de donnees d'un signal numerique d'image
US7778327B2 (en) * 2005-02-08 2010-08-17 Texas Instruments Incorporated H.264 quantization
JP4769039B2 (ja) * 2005-07-26 2011-09-07 パナソニック株式会社 デジタル信号符号化および復号化装置ならびにその方法
GB2444991A (en) * 2006-12-21 2008-06-25 Tandberg Television Asa Method of selecting quantizer values in video compression systems
JP4659907B2 (ja) * 2007-07-19 2011-03-30 富士通株式会社 通信メッセージ分類プログラム、通信メッセージ分類方法および通信メッセージ分類装置
US8848788B2 (en) * 2009-05-16 2014-09-30 Thomson Licensing Method and apparatus for joint quantization parameter adjustment
JP6059572B2 (ja) * 2013-03-22 2017-01-11 株式会社メガチップス 画像処理装置
US9723312B2 (en) * 2015-06-09 2017-08-01 Samsung Electronics Co., Ltd. Method and system for random accessible image compression with adaptive quantization
JP6732031B2 (ja) * 2016-09-21 2020-07-29 三菱電機株式会社 画像符号化装置および画像符号化プログラム

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA1296430C (en) * 1986-11-10 1992-02-25 Masahide Kaneko Encoding system capable of accomplishing a high efficiency by anterior and/or posterior processing to quantization
US4780761A (en) * 1987-06-02 1988-10-25 Eastman Kodak Company Digital image compression and transmission system visually weighted transform coefficients
US5225904A (en) * 1987-10-05 1993-07-06 Intel Corporation Adaptive digital video compression system
JPH01237774A (ja) * 1988-03-18 1989-09-22 Konica Corp 階調画像データの圧縮における符号化方法
US5170264A (en) * 1988-12-10 1992-12-08 Fuji Photo Film Co., Ltd. Compression coding device and expansion decoding device for a picture signal
EP0387051B1 (de) * 1989-03-10 1997-08-06 Canon Kabushiki Kaisha Verfahren und Vorrichtung zum Codieren von Bildinformation
FR2644962A1 (fr) * 1989-03-24 1990-09-28 Labo Electronique Physique Dispositif de codage de signaux video numeriques
DE69033946T2 (de) * 1989-12-25 2002-11-21 Mitsubishi Electric Corp Kodierungsgerät
JP2762712B2 (ja) * 1990-06-29 1998-06-04 松下電器産業株式会社 符号化装置および復号化装置
CA2046544C (en) * 1990-07-10 1995-09-12 Tsugio Noda Image data encoding system
JP2839339B2 (ja) * 1990-08-06 1998-12-16 松下電器産業株式会社 直交変換符号化装置および直交変換符号化方法
US5150208A (en) * 1990-10-19 1992-09-22 Matsushita Electric Industrial Co., Ltd. Encoding apparatus
JPH0813138B2 (ja) * 1990-11-28 1996-02-07 松下電器産業株式会社 画像符号化装置
JP2514115B2 (ja) * 1991-02-15 1996-07-10 株式会社グラフィックス・コミュニケーション・テクノロジーズ 画像信号符号化装置
JPH0583696A (ja) * 1991-06-07 1993-04-02 Sony Corp 画像符号化装置

Also Published As

Publication number Publication date
US5585853A (en) 1996-12-17
EP0575113A3 (de) 1994-11-09
US5481309A (en) 1996-01-02
EP0575113B1 (de) 1999-04-28
HK1004507A1 (en) 1998-11-27
EP0575113A2 (de) 1993-12-22
JPH05347709A (ja) 1993-12-27
JP2940304B2 (ja) 1999-08-25
KR940006416A (ko) 1994-03-23
KR970002968B1 (ko) 1997-03-13
DE69324631D1 (de) 1999-06-02

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8327 Change in the person/name/address of the patent owner

Owner name: PANASONIC CORP., KADOMA, OSAKA, JP