DE69231426D1 - Vorrichtung zum Kodieren von Bildern - Google Patents

Vorrichtung zum Kodieren von Bildern

Info

Publication number
DE69231426D1
DE69231426D1 DE69231426T DE69231426T DE69231426D1 DE 69231426 D1 DE69231426 D1 DE 69231426D1 DE 69231426 T DE69231426 T DE 69231426T DE 69231426 T DE69231426 T DE 69231426T DE 69231426 D1 DE69231426 D1 DE 69231426D1
Authority
DE
Germany
Prior art keywords
coding images
coding
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 - Lifetime
Application number
DE69231426T
Other languages
English (en)
Other versions
DE69231426T2 (de
Inventor
Masahiko Enari
Kenichi Nagasawa
Akihiro Shikakura
Yuushi Kaneko
Yoshifumi Satake
Hiroshi Takizawa
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.)
Canon Inc
Original Assignee
Canon Inc
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 claimed from JP03016466A external-priority patent/JP3135271B2/ja
Priority claimed from JP11318991A external-priority patent/JP3227170B2/ja
Priority claimed from JP3113226A external-priority patent/JPH04341065A/ja
Priority claimed from JP28495791A external-priority patent/JP3387516B2/ja
Priority claimed from JP28495691A external-priority patent/JPH05122530A/ja
Application filed by Canon Inc filed Critical Canon Inc
Publication of DE69231426D1 publication Critical patent/DE69231426D1/de
Application granted granted Critical
Publication of DE69231426T2 publication Critical patent/DE69231426T2/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
    • 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
    • H04N19/169—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
    • H04N19/189—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
    • H04N19/196—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 being specially adapted for the computation of encoding parameters, e.g. by averaging previously computed encoding parameters
    • 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
    • H04N19/134—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
    • H04N19/149—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
    • H04N19/146—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
    • H04N19/30—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using hierarchical techniques, e.g. scalability

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Computing Systems (AREA)
  • Theoretical Computer Science (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
DE69231426T 1991-02-07 1992-01-31 Vorrichtung zum Kodieren von Bildern Expired - Lifetime DE69231426T2 (de)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
JP03016466A JP3135271B2 (ja) 1991-02-07 1991-02-07 符号化装置
JP11318991A JP3227170B2 (ja) 1991-05-17 1991-05-17 画像符号化装置
JP3113226A JPH04341065A (ja) 1991-05-17 1991-05-17 画像符号化装置及びその方法
JP28495791A JP3387516B2 (ja) 1991-10-30 1991-10-30 画像符号化装置及びその方法
JP28495691A JPH05122530A (ja) 1991-10-30 1991-10-30 画像符号化装置

Publications (2)

Publication Number Publication Date
DE69231426D1 true DE69231426D1 (de) 2000-10-12
DE69231426T2 DE69231426T2 (de) 2001-02-22

Family

ID=27519817

Family Applications (3)

Application Number Title Priority Date Filing Date
DE69228841T Expired - Lifetime DE69228841T2 (de) 1991-02-07 1992-01-31 Vorrichtung zum Kodieren von Bildern
DE69231426T Expired - Lifetime DE69231426T2 (de) 1991-02-07 1992-01-31 Vorrichtung zum Kodieren von Bildern
DE69232123T Expired - Fee Related DE69232123T2 (de) 1991-02-07 1992-01-31 Bildkodieranlage

Family Applications Before (1)

Application Number Title Priority Date Filing Date
DE69228841T Expired - Lifetime DE69228841T2 (de) 1991-02-07 1992-01-31 Vorrichtung zum Kodieren von Bildern

Family Applications After (1)

Application Number Title Priority Date Filing Date
DE69232123T Expired - Fee Related DE69232123T2 (de) 1991-02-07 1992-01-31 Bildkodieranlage

Country Status (4)

Country Link
US (4) US5251029A (de)
EP (3) EP0804036B1 (de)
DE (3) DE69228841T2 (de)
SG (4) SG94709A1 (de)

Families Citing this family (30)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE69131808T2 (de) * 1990-07-31 2000-03-16 Fujitsu Ltd Verfahren und Gerät zur Bilddatenverarbeitung
US5657399A (en) * 1991-05-17 1997-08-12 Canon Kabushiki Kaisha Encoding/decoding apparatus using quantizing steps information
US5349384A (en) * 1992-01-14 1994-09-20 Sony Corporation Apparatus and methods for transmitting compressed digital image signals
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
US5291281A (en) * 1992-06-18 1994-03-01 General Instrument Corporation Adaptive coding level control for video compression systems
US5861921A (en) * 1993-03-29 1999-01-19 Canon Kabushiki Kaisha Controlling quantization parameters based on code amount
US5469208A (en) * 1993-05-26 1995-11-21 Intel Corporation Dequantization using decrements and multiply
JPH07123269A (ja) * 1993-10-22 1995-05-12 Fuji Xerox Co Ltd 画像信号の符号化装置
JP2626521B2 (ja) * 1993-11-29 1997-07-02 日本電気株式会社 画像符号変換装置
BE1007808A3 (nl) * 1993-11-30 1995-10-24 Philips Electronics Nv Inrichting voor het coderen van een videosignaal.
BE1007807A3 (nl) * 1993-11-30 1995-10-24 Philips Electronics Nv Inrichting voor het coderen van een videosignaal.
EP0660619A1 (de) * 1993-12-22 1995-06-28 Laboratoires D'electronique Philips S.A.S. Verfahren zur variablen Längenkodierung von Bildern und Vorrichtung zur Ausführung eines solchen Verfahrens
US5754235A (en) * 1994-03-25 1998-05-19 Sanyo Electric Co., Ltd. Bit-rate conversion circuit for a compressed motion video bitstream
JPH07298272A (ja) 1994-04-28 1995-11-10 Canon Inc 映像符号化装置
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
US5825970A (en) * 1994-12-20 1998-10-20 Lg Electronics Inc. Quantization number selecting apparatus for DVCR and method therefor
JPH08181987A (ja) * 1994-12-22 1996-07-12 Canon Inc 符号化装置
DE69607696T2 (de) * 1995-02-15 2000-10-19 Koninkl Philips Electronics Nv Vorrichtung und verfahren zur transkodierung von videosignalen
US5872599A (en) * 1995-03-08 1999-02-16 Lucent Technologies Inc. Method and apparatus for selectively discarding data when required in order to achieve a desired Huffman coding rate
FI981546A (fi) * 1998-07-03 2000-01-04 Nokia Networks Oy Tiedonsiirtomenetelmä ja matkapuhelinjärjestelmä
CN1166208C (zh) * 2000-01-14 2004-09-08 皇家菲利浦电子有限公司 代码转换方法和设备
JP2001285645A (ja) 2000-01-25 2001-10-12 Canon Inc 画像入力装置、画像処理装置、画像入力方法、画像処理方法、及び画像入力システム
JP4109404B2 (ja) * 2000-04-26 2008-07-02 松下電器産業株式会社 符号化装置および符号化方法
JP4569840B2 (ja) * 2007-09-12 2010-10-27 ソニー株式会社 画像符号化装置、画像符号化方法
CN101785318B (zh) * 2008-06-27 2012-12-12 索尼公司 图像处理装置和图像处理方法
RU2471306C2 (ru) * 2008-06-27 2012-12-27 Сони Корпорейшн Устройство обработки изображений и способ обработки изображений
JP2015008387A (ja) 2013-06-25 2015-01-15 キヤノン株式会社 画像処理装置、画像処理方法およびプログラム並びに撮像装置
CN107389211B (zh) * 2017-06-29 2019-03-12 西安邮电大学 一种二进制码转温度计码电路
JP7193929B2 (ja) 2018-05-15 2022-12-21 キヤノン株式会社 画像処理装置、画像処理方法、及び、プログラム
GB2578633B (en) * 2018-11-02 2021-10-13 Advanced Risc Mach Ltd Encoding data arrays

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4541012A (en) * 1982-01-04 1985-09-10 Compression Labs, Inc. Video bandwidth reduction system employing interframe block differencing and transform domain coding
JPS62222783A (ja) * 1986-03-24 1987-09-30 Kokusai Denshin Denwa Co Ltd <Kdd> 動画像の高能率符号化方式
US4920426A (en) * 1986-11-10 1990-04-24 Kokusai Denshin Denwa Co., Ltd. Image coding system coding digital image signals by forming a histogram of a coefficient signal sequence to estimate an amount of information
EP0339589A3 (de) * 1988-04-28 1992-01-02 Sharp Kabushiki Kaisha Orthogonales Transformationskodierungssystem für Bilddaten
US4984076A (en) * 1988-07-27 1991-01-08 Kabushiki Kaisha Toshiba Image compression coding system
US5073821A (en) * 1989-01-30 1991-12-17 Matsushita Electric Industrial Co., Ltd. Orthogonal transform coding apparatus for reducing the amount of coded signals to be processed and transmitted
US5128758A (en) * 1989-06-02 1992-07-07 North American Philips Corporation Method and apparatus for digitally processing a high definition television augmentation signal
DE69031198T2 (de) * 1989-06-09 1998-03-19 Matsushita Electric Ind Co Ltd Einrichtung zur orthogonalen Transformationskodierung
JP3085465B2 (ja) * 1989-10-31 2000-09-11 オリンパス光学工業株式会社 画像データの符号化装置および符号化方法
US5146324A (en) * 1990-07-31 1992-09-08 Ampex Corporation Data compression using a feedforward quantization estimator
DE69125329T2 (de) * 1990-09-10 1997-10-09 Mitsubishi Electric Corp Kodiervorrichtung für digitale Bilddaten

Also Published As

Publication number Publication date
DE69232123T2 (de) 2002-05-02
SG94708A1 (en) 2003-03-18
US5528298A (en) 1996-06-18
EP0498578A3 (en) 1993-09-15
EP0863672A3 (de) 1998-11-25
DE69228841D1 (de) 1999-05-12
SG43261A1 (en) 1997-10-17
EP0863672B1 (de) 2001-10-10
EP0804036B1 (de) 2000-09-06
US5251029A (en) 1993-10-05
DE69228841T2 (de) 1999-09-16
EP0498578B1 (de) 1999-04-07
US5452007A (en) 1995-09-19
SG94709A1 (en) 2003-03-18
DE69232123D1 (de) 2001-11-15
EP0804036A3 (de) 1998-01-21
EP0498578A2 (de) 1992-08-12
SG95586A1 (en) 2003-04-23
EP0804036A2 (de) 1997-10-29
DE69231426T2 (de) 2001-02-22
EP0863672A2 (de) 1998-09-09
US5333013A (en) 1994-07-26

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