SG93188A1 - Image processing apparatus and method - Google Patents

Image processing apparatus and method

Info

Publication number
SG93188A1
SG93188A1 SG9803885A SG1998003885A SG93188A1 SG 93188 A1 SG93188 A1 SG 93188A1 SG 9803885 A SG9803885 A SG 9803885A SG 1998003885 A SG1998003885 A SG 1998003885A SG 93188 A1 SG93188 A1 SG 93188A1
Authority
SG
Singapore
Prior art keywords
processing apparatus
image processing
image
processing
Prior art date
Application number
SG9803885A
Other languages
English (en)
Inventor
Hoshi Nobuhiro
Nagasawa Kenichi
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
Application filed by Canon Kk filed Critical Canon Kk
Publication of SG93188A1 publication Critical patent/SG93188A1/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
    • H04N19/102—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
    • H04N19/15—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
    • H04N19/10—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
    • H04N19/10—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
    • H04N19/13—Adaptive entropy coding, e.g. adaptive variable length coding [AVLC] or context adaptive binary arithmetic coding [CABAC]
    • 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
    • H04N19/90—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using coding techniques not provided for in groups H04N19/10-H04N19/85, e.g. fractals
    • H04N19/91—Entropy coding, e.g. variable length coding [VLC] or arithmetic coding

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Image Input (AREA)
  • Image Processing (AREA)
SG9803885A 1991-04-23 1992-04-22 Image processing apparatus and method SG93188A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP9230191A JP3109854B2 (ja) 1991-04-23 1991-04-23 画像符号化方法及び装置

Publications (1)

Publication Number Publication Date
SG93188A1 true SG93188A1 (en) 2002-12-17

Family

ID=14050589

Family Applications (1)

Application Number Title Priority Date Filing Date
SG9803885A SG93188A1 (en) 1991-04-23 1992-04-22 Image processing apparatus and method

Country Status (5)

Country Link
US (2) US5301040A (de)
EP (2) EP0859516B1 (de)
JP (1) JP3109854B2 (de)
DE (2) DE69232245T2 (de)
SG (1) SG93188A1 (de)

Families Citing this family (48)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB9405914D0 (en) 1994-03-24 1994-05-11 Discovision Ass Video decompression
JP3109854B2 (ja) * 1991-04-23 2000-11-20 キヤノン株式会社 画像符号化方法及び装置
JPH04323960A (ja) * 1991-04-23 1992-11-13 Canon Inc 画像符号化装置
US5657399A (en) * 1991-05-17 1997-08-12 Canon Kabushiki Kaisha Encoding/decoding apparatus using quantizing steps information
US5838834A (en) * 1991-11-07 1998-11-17 Canon Kabushiki Kaisha Image processing apparatus and method for quantizing image data and quantization errors using single quantizing unit and pluralities of quantization tables
US6263422B1 (en) 1992-06-30 2001-07-17 Discovision Associates Pipeline processing machine with interactive stages operable in response to tokens and system and methods relating thereto
US5768561A (en) 1992-06-30 1998-06-16 Discovision Associates Tokens-based adaptive video processing arrangement
US6330665B1 (en) 1992-06-30 2001-12-11 Discovision Associates Video parser
US5809270A (en) 1992-06-30 1998-09-15 Discovision Associates Inverse quantizer
US6079009A (en) 1992-06-30 2000-06-20 Discovision Associates Coding standard token in a system compromising a plurality of pipeline stages
US6047112A (en) 1992-06-30 2000-04-04 Discovision Associates Technique for initiating processing of a data stream of encoded video information
US6112017A (en) 1992-06-30 2000-08-29 Discovision Associates Pipeline processing machine having a plurality of reconfigurable processing stages interconnected by a two-wire interface bus
US5784631A (en) * 1992-06-30 1998-07-21 Discovision Associates Huffman decoder
US6067417A (en) 1992-06-30 2000-05-23 Discovision Associates Picture start token
DE69229338T2 (de) 1992-06-30 1999-12-16 Discovision Associates, Irvine Datenpipelinesystem
DE69331126T2 (de) * 1992-07-31 2002-06-20 Canon K.K., Tokio/Tokyo Bildverarbeitungsgerät und Verfahren zur mehrstufigen Kompression
US6028961A (en) * 1992-07-31 2000-02-22 Canon Kabushiki Kaisha Image processing method and apparatus
US6427025B1 (en) 1992-08-14 2002-07-30 Canon Kabushiki Kaisha Image processing with selection between reversible and irreversible compression
JP3196906B2 (ja) * 1992-08-21 2001-08-06 富士ゼロックス株式会社 画像信号の符号化装置
KR100287624B1 (ko) * 1992-09-28 2001-04-16 야스카와 히데아키 화상데이타의압축,해제방법및그장치
US5663763A (en) * 1992-10-29 1997-09-02 Sony Corp. Picture signal encoding method and apparatus and picture signal decoding method and apparatus
CN1092446C (zh) * 1993-05-31 2002-10-09 佳能株式会社 图象处理方法和装置
US5805914A (en) 1993-06-24 1998-09-08 Discovision Associates Data pipeline system and data encoding method
US5699544A (en) 1993-06-24 1997-12-16 Discovision Associates Method and apparatus for using a fixed width word for addressing variable width data
US5861894A (en) 1993-06-24 1999-01-19 Discovision Associates Buffer manager
US5878273A (en) 1993-06-24 1999-03-02 Discovision Associates System for microprogrammable state machine in video parser disabling portion of processing stages responsive to sequence-- end token generating by token generator responsive to received data
TW323029U (en) * 1993-06-30 1997-12-11 Victor Company Of Japan Co Ltd Processing system for digital video signal
US6486981B1 (en) 1993-07-27 2002-11-26 Canon Kabushiki Kaisha Color image processing method and apparatus thereof
KR0183688B1 (ko) * 1994-01-12 1999-05-01 김광호 영상부호화방법 및 장치
CA2145363C (en) 1994-03-24 1999-07-13 Anthony Mark Jones Ram interface
CA2145365C (en) 1994-03-24 1999-04-27 Anthony M. Jones Method for accessing banks of dram
CA2145379C (en) 1994-03-24 1999-06-08 William P. Robbins Method and apparatus for addressing memory
TW374283B (en) * 1994-05-25 1999-11-11 Sony Corp A multiple coding device
GB9417138D0 (en) * 1994-08-23 1994-10-12 Discovision Ass Data rate conversion
US5659362A (en) * 1994-09-07 1997-08-19 University Of South Florida VLSI circuit structure for implementing JPEG image compression standard
JPH08102943A (ja) * 1994-09-30 1996-04-16 Fuji Xerox Co Ltd 画像符号化装置
JPH08116448A (ja) * 1994-10-13 1996-05-07 Fuji Xerox Co Ltd 画像信号の符号化装置及び復号装置
JP3890606B2 (ja) * 1995-03-09 2007-03-07 ソニー株式会社 画像信号符号化装置及び画像信号符号化方法
JPH08317219A (ja) * 1995-05-18 1996-11-29 Mitsubishi Electric Corp 画像圧縮伸長装置
EP1357758A3 (de) 1995-08-02 2004-10-27 Matsushita Electric Industrial Co., Ltd. Videokodierungsgerät und -system mit Quantizierungskontrollverfahren und Durchschnittsdurchsatzberechnungsverfahren
US6167085A (en) * 1997-07-31 2000-12-26 Sony Corporation Image data compression
US6738561B1 (en) * 1997-11-21 2004-05-18 Victor Company Of Japan, Ltd. Recording medium and signal processing apparatus
JP2003032677A (ja) * 2001-07-18 2003-01-31 Hitachi Ltd 動画像圧縮符号化装置
GB2387059A (en) * 2002-03-28 2003-10-01 Sony Uk Ltd Data compression using trial quantisations to determine final quantiser
GB0215028D0 (en) * 2002-06-28 2002-08-07 Critical Blue Ltd Microarchitecture description
JP3913726B2 (ja) * 2003-10-30 2007-05-09 株式会社リコー 多地点テレビ会議制御装置及び多地点テレビ会議システム
US20090320678A1 (en) * 2006-11-03 2009-12-31 Electric Power Research Institute, Inc. Sorbent Filter for the Removal of Vapor Phase Contaminants
JP5875236B2 (ja) 2011-03-09 2016-03-02 キヤノン株式会社 画像符号化装置、画像符号化方法及びプログラム、画像復号装置、画像復号方法及びプログラム

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0401854A2 (de) * 1989-06-09 1990-12-12 Matsushita Electric Industrial Co., Ltd. Einrichtung zur orthogonalen Transformationskodierung
US4984076A (en) * 1988-07-27 1991-01-08 Kabushiki Kaisha Toshiba Image compression coding system

Family Cites Families (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3992697A (en) * 1974-12-27 1976-11-16 Scan-Data Corporation Character recognition system utilizing feature extraction
US4371895A (en) * 1980-01-18 1983-02-01 Nippon Electric Co., Ltd. Coded video signal transmitting and receiving system
US4797945A (en) * 1985-12-13 1989-01-10 Canon Kabushiki Kaisha Image data coding apparatus
US4887151A (en) * 1986-06-30 1989-12-12 Canon Kabushiki Kaisha Encoding apparatus for color image data with block-by-block individual quantizing or individual encoding of luminosity, structure, and color information
JP2589298B2 (ja) * 1987-01-28 1997-03-12 キヤノン株式会社 符号化画像データの復号化装置
US4974071A (en) * 1987-04-28 1990-11-27 Canon Kabushiki Kaisha Color image data encoding apparatus having improved resolution/efficiency characteristics
US5162923A (en) * 1988-02-22 1992-11-10 Canon Kabushiki Kaisha Method and apparatus for encoding frequency components of image information
US4903124A (en) * 1988-03-17 1990-02-20 Canon Kabushiki Kaisha Image information signal transmission apparatus
KR930004311B1 (ko) * 1989-04-18 1993-05-22 미쯔비시덴끼 가부시끼가이샤 동화상 부호화 복호화장치
US5128758A (en) * 1989-06-02 1992-07-07 North American Philips Corporation Method and apparatus for digitally processing a high definition television augmentation signal
US5121216A (en) * 1989-07-19 1992-06-09 Bell Communications Research Adaptive transform coding of still images
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
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
US5216516A (en) * 1990-04-27 1993-06-01 Ricoh Company, Inc. Orthogonal transformation arithmetic unit
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
US5303058A (en) * 1990-10-22 1994-04-12 Fujitsu Limited Data processing apparatus for compressing and reconstructing image data
US5173694A (en) * 1990-10-29 1992-12-22 International Business Machines Corporation Binary data encoding and decoding using a rate 2/5 (2,18,2) code
JP3109854B2 (ja) * 1991-04-23 2000-11-20 キヤノン株式会社 画像符号化方法及び装置

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4984076A (en) * 1988-07-27 1991-01-08 Kabushiki Kaisha Toshiba Image compression coding system
EP0401854A2 (de) * 1989-06-09 1990-12-12 Matsushita Electric Industrial Co., Ltd. Einrichtung zur orthogonalen Transformationskodierung

Also Published As

Publication number Publication date
DE69227398D1 (de) 1998-12-03
EP0510929A2 (de) 1992-10-28
JP3109854B2 (ja) 2000-11-20
EP0859516A1 (de) 1998-08-19
DE69227398T2 (de) 1999-04-29
EP0510929B1 (de) 1998-10-28
US5444542A (en) 1995-08-22
DE69232245D1 (de) 2002-01-10
JPH04323961A (ja) 1992-11-13
EP0859516B1 (de) 2001-11-28
EP0510929A3 (en) 1993-06-09
US5301040A (en) 1994-04-05
DE69232245T2 (de) 2002-06-27

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