SG94709A1 - Image encoding apparatus - Google Patents

Image encoding apparatus

Info

Publication number
SG94709A1
SG94709A1 SG9802915A SG1998002915A SG94709A1 SG 94709 A1 SG94709 A1 SG 94709A1 SG 9802915 A SG9802915 A SG 9802915A SG 1998002915 A SG1998002915 A SG 1998002915A SG 94709 A1 SG94709 A1 SG 94709A1
Authority
SG
Singapore
Prior art keywords
encoding apparatus
image encoding
image
encoding
Prior art date
Application number
SG9802915A
Other languages
English (en)
Inventor
Enari Masahiko
Nagasawa Kenchi
Shikakura Akihiro
Kaneko Yuushi
Satake Yoshifumi
Takizawa Hiroshi
Original Assignee
Canon Kk
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 JP3113226A external-priority patent/JPH04341065A/ja
Priority claimed from JP11318991A external-priority patent/JP3227170B2/ja
Priority claimed from JP28495691A external-priority patent/JPH05122530A/ja
Priority claimed from JP28495791A external-priority patent/JP3387516B2/ja
Application filed by Canon Kk filed Critical Canon Kk
Publication of SG94709A1 publication Critical patent/SG94709A1/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
    • H04N19/10—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)
SG9802915A 1991-02-07 1992-01-31 Image encoding apparatus SG94709A1 (en)

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
JP3113226A JPH04341065A (ja) 1991-05-17 1991-05-17 画像符号化装置及びその方法
JP11318991A JP3227170B2 (ja) 1991-05-17 1991-05-17 画像符号化装置
JP28495691A JPH05122530A (ja) 1991-10-30 1991-10-30 画像符号化装置
JP28495791A JP3387516B2 (ja) 1991-10-30 1991-10-30 画像符号化装置及びその方法

Publications (1)

Publication Number Publication Date
SG94709A1 true SG94709A1 (en) 2003-03-18

Family

ID=27519817

Family Applications (4)

Application Number Title Priority Date Filing Date
SG1996006638A SG43261A1 (en) 1991-02-07 1992-01-31 Image encoding apparatus
SG9802913A SG94708A1 (en) 1991-02-07 1992-01-31 Image encoding apparatus
SG9802904A SG95586A1 (en) 1991-02-07 1992-01-31 Image encoding apparatus
SG9802915A SG94709A1 (en) 1991-02-07 1992-01-31 Image encoding apparatus

Family Applications Before (3)

Application Number Title Priority Date Filing Date
SG1996006638A SG43261A1 (en) 1991-02-07 1992-01-31 Image encoding apparatus
SG9802913A SG94708A1 (en) 1991-02-07 1992-01-31 Image encoding apparatus
SG9802904A SG95586A1 (en) 1991-02-07 1992-01-31 Image encoding apparatus

Country Status (4)

Country Link
US (4) US5251029A (fr)
EP (3) EP0498578B1 (fr)
DE (3) DE69232123T2 (fr)
SG (4) SG43261A1 (fr)

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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
DE69424591T2 (de) 1993-03-29 2001-01-18 Canon Kk Verfahren zur Kontrolle der Datenmenge und Kodierer zur Durchführung desselben.
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
BE1007807A3 (nl) * 1993-11-30 1995-10-24 Philips Electronics Nv Inrichting voor het coderen van een videosignaal.
BE1007808A3 (nl) * 1993-11-30 1995-10-24 Philips Electronics Nv Inrichting voor het coderen van een videosignaal.
EP0660619A1 (fr) * 1993-12-22 1995-06-28 Laboratoires D'electronique Philips S.A.S. Procédé de codage d'images à longueur variable et dispositif de mise en oeuvre d'un tel procédé
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
EP0755610B1 (fr) * 1995-02-15 2000-04-12 Koninklijke Philips Electronics N.V. Procede et dispositif pour transcoder des signaux video
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
EP1169865A1 (fr) * 2000-01-14 2002-01-09 Koninklijke Philips Electronics N.V. Procede et dispositif de transcodage
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
WO2009157579A1 (fr) * 2008-06-27 2009-12-30 ソニー株式会社 Dispositif de traitement d'images et procédé de traitement d'images
US8374451B2 (en) * 2008-06-27 2013-02-12 Sony Corporation Image processing device and image processing method for reducing the circuit scale
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

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5073820A (en) * 1989-10-31 1991-12-17 Olympus Optical Co., Ltd. Image data coding apparatus and coding method
US5146324A (en) * 1990-07-31 1992-09-08 Ampex Corporation Data compression using a feedforward quantization estimator

Family Cites Families (9)

* 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 (fr) * 1988-04-28 1992-01-02 Sharp Kabushiki Kaisha Système de codage par transformation orthogonale pour données d'images
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
SG43860A1 (en) * 1990-09-10 1997-11-14 Mitsubishi Electric Corp Coding apparatus

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5073820A (en) * 1989-10-31 1991-12-17 Olympus Optical Co., Ltd. Image data coding apparatus and coding method
US5146324A (en) * 1990-07-31 1992-09-08 Ampex Corporation Data compression using a feedforward quantization estimator

Also Published As

Publication number Publication date
US5452007A (en) 1995-09-19
EP0804036B1 (fr) 2000-09-06
EP0498578A3 (en) 1993-09-15
EP0804036A3 (fr) 1998-01-21
EP0863672A2 (fr) 1998-09-09
EP0863672B1 (fr) 2001-10-10
EP0863672A3 (fr) 1998-11-25
DE69228841D1 (de) 1999-05-12
US5528298A (en) 1996-06-18
DE69228841T2 (de) 1999-09-16
US5251029A (en) 1993-10-05
EP0498578A2 (fr) 1992-08-12
SG94708A1 (en) 2003-03-18
DE69231426T2 (de) 2001-02-22
DE69232123T2 (de) 2002-05-02
EP0498578B1 (fr) 1999-04-07
US5333013A (en) 1994-07-26
DE69232123D1 (de) 2001-11-15
EP0804036A2 (fr) 1997-10-29
DE69231426D1 (de) 2000-10-12
SG43261A1 (en) 1997-10-17
SG95586A1 (en) 2003-04-23

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