DE69517283D1 - Bildsignalkodierungsvorrichtung die zwischen variabler Längenkodierung und fester Längenkodierung wechselt - Google Patents

Bildsignalkodierungsvorrichtung die zwischen variabler Längenkodierung und fester Längenkodierung wechselt

Info

Publication number
DE69517283D1
DE69517283D1 DE69517283T DE69517283T DE69517283D1 DE 69517283 D1 DE69517283 D1 DE 69517283D1 DE 69517283 T DE69517283 T DE 69517283T DE 69517283 T DE69517283 T DE 69517283T DE 69517283 D1 DE69517283 D1 DE 69517283D1
Authority
DE
Germany
Prior art keywords
length coding
coding
changes
image signal
variable length
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 - Fee Related
Application number
DE69517283T
Other languages
English (en)
Other versions
DE69517283T2 (de
Inventor
Kazuhiro Suzuki
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.)
Fujifilm Business Innovation Corp
Original Assignee
Fuji Xerox 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 Fuji Xerox Co Ltd filed Critical Fuji Xerox Co Ltd
Application granted granted Critical
Publication of DE69517283D1 publication Critical patent/DE69517283D1/de
Publication of DE69517283T2 publication Critical patent/DE69517283T2/de
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
    • H04N1/00—Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
    • H04N1/41—Bandwidth or redundancy reduction
    • 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
    • H04N19/12—Selection from among a plurality of transforms or standards, e.g. selection between discrete cosine transform [DCT] and sub-band transform or selection between H.263 and H.264
    • 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
    • H04N19/10—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
    • H04N19/13—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)
  • Physics & Mathematics (AREA)
  • Discrete Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Compression Of Band Width Or Redundancy In Fax (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Image Processing (AREA)
DE69517283T 1994-10-18 1995-04-19 Bildsignalkodierungsvorrichtung die zwischen variabler Längenkodierung und fester Längenkodierung wechselt Expired - Fee Related DE69517283T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP25222094A JPH08116447A (ja) 1994-10-18 1994-10-18 画像信号の符号化装置

Publications (2)

Publication Number Publication Date
DE69517283D1 true DE69517283D1 (de) 2000-07-06
DE69517283T2 DE69517283T2 (de) 2001-01-25

Family

ID=17234187

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69517283T Expired - Fee Related DE69517283T2 (de) 1994-10-18 1995-04-19 Bildsignalkodierungsvorrichtung die zwischen variabler Längenkodierung und fester Längenkodierung wechselt

Country Status (4)

Country Link
US (1) US5801841A (de)
EP (1) EP0708551B1 (de)
JP (1) JPH08116447A (de)
DE (1) DE69517283T2 (de)

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JP3992303B2 (ja) * 1995-06-22 2007-10-17 ソニー株式会社 信号圧縮装置と信号伸長装置および信号圧縮方法と信号伸長方法
JPH09168150A (ja) * 1995-10-09 1997-06-24 Fujitsu Ltd 固定長セル取扱式画像通信方法並びに固定長セル取扱式画像通信用送信装置及び固定長セル取扱式画像通信用受信装置
US6538771B1 (en) * 1997-01-21 2003-03-25 Minolta Co., Ltd. Image processor
JPH10271299A (ja) * 1997-03-27 1998-10-09 Ricoh Co Ltd デジタル複合機
JP4531871B2 (ja) * 1997-10-30 2010-08-25 富士通セミコンダクター株式会社 画像情報処理装置及び符号装置
JP3747643B2 (ja) * 1998-08-07 2006-02-22 コニカミノルタホールディングス株式会社 傾き補正装置及び画像読取装置
WO2000030360A1 (en) * 1998-11-16 2000-05-25 Conexant Systems, Inc. Fixed rate data compressor
KR100856398B1 (ko) * 2000-05-17 2008-09-04 삼성전자주식회사 복수 매핑 테이블을 이용한 가변장 부호화 및 복호화방법과 그 장치
JP3873139B2 (ja) * 2000-06-09 2007-01-24 株式会社日立製作所 表示装置
JP2002112268A (ja) * 2000-09-29 2002-04-12 Toshiba Corp 圧縮画像データ復号装置
US6696992B1 (en) * 2001-10-02 2004-02-24 Allan Chu Efficient data encoding and decoding processes
US7209266B2 (en) * 2002-12-06 2007-04-24 Kabushiki Kaisha Toshiba Image processing apparatus
CN100484245C (zh) * 2004-09-29 2009-04-29 华为技术有限公司 一种变长码编解码方法
KR20060032944A (ko) * 2004-10-13 2006-04-18 한국전자통신연구원 ＬＡＳｅＲ 이진 표현의 포인트 시퀀스 부호화 방법 및 장치
EP1800487B1 (de) 2004-10-13 2012-07-11 Electronics and Telecommunications Research Institute Verfahren und vorrichtung zur kodierung/dekodierung von punktsequenzen auf einer laser-binärdarstellung
US20060235683A1 (en) * 2005-04-13 2006-10-19 Fraunhofer-Gesellschaft Zur Forderung Der Angewandten Forschung E.V. Lossless encoding of information with guaranteed maximum bitrate
KR100723505B1 (ko) * 2005-10-06 2007-05-30 삼성전자주식회사 하이브리드 방식의 영상 데이터 처리 시스템 및 영상데이터 처리 방법
JP2007312126A (ja) * 2006-05-18 2007-11-29 Toshiba Corp 画像処理回路
US20070290899A1 (en) * 2006-06-19 2007-12-20 Donald Martin Monro Data coding
JP2008259173A (ja) * 2007-03-12 2008-10-23 Seiko Epson Corp 画像データ復号化装置、画像処理装置及び電子機器
JP2010134700A (ja) * 2008-12-04 2010-06-17 Toshiba Corp 画像評価装置および画像評価方法
US8989275B2 (en) * 2010-11-10 2015-03-24 Qualcomm Incorporated Video processing architecture
JP5761007B2 (ja) * 2011-12-20 2015-08-12 富士通株式会社 情報処理装置、画像送信方法及び画像送信プログラム
JP6196117B2 (ja) * 2013-10-08 2017-09-13 株式会社東芝 画像符号化装置及び画像復号装置
WO2017016526A1 (en) 2015-07-30 2017-02-02 Zhejiang Dahua Technology Co., Ltd. Methods and systems for image compression
TWI601410B (zh) * 2016-01-11 2017-10-01 晨星半導體股份有限公司 視訊串流解碼方法及視訊串流解碼系統
US10798419B2 (en) * 2018-11-19 2020-10-06 Sony Corporation Embedded codec circuitry for sub-block based encoding of quantized prediction residual levels
JP2021175049A (ja) * 2020-04-22 2021-11-01 株式会社リコー 情報処理装置、情報処理方法、及びプログラム

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US3701108A (en) * 1970-10-30 1972-10-24 Ibm Code processor for variable-length dependent codes
JPS5411614A (en) * 1977-06-27 1979-01-27 Nec Corp Code conversion unit for digital signal
JPS63306768A (ja) * 1987-06-08 1988-12-14 Fujitsu Ltd 画像符号化方式
JPH03145223A (ja) * 1989-10-30 1991-06-20 Toshiba Corp 可変長符号復調装置
US5291303A (en) * 1990-01-16 1994-03-01 Canon Kabushiki Kaisha Facsimile apparatus
US5166987A (en) * 1990-04-04 1992-11-24 Sony Corporation Encoding apparatus with two stages of data compression
US5136290A (en) * 1990-06-18 1992-08-04 Bond James W Message expansion decoder and decoding method for a communication channel
DE69132063T2 (de) * 1990-12-28 2000-09-14 Canon K.K., Tokio/Tokyo Bildcodierung mit Optimierung der erzeugten Codemenge
GB2260459B (en) * 1991-10-04 1995-03-29 Sony Broadcast & Communication Serial data decoder
US5440345A (en) * 1992-07-17 1995-08-08 Kabushiki Kaisha Toshiba High efficient encoding/decoding system
JP3093458B2 (ja) * 1992-07-23 2000-10-03 株式会社東芝 可変レート符・復号化装置
JPH06153172A (ja) * 1992-10-30 1994-05-31 Hitachi Ltd 符号量制御方式
JP3190755B2 (ja) * 1993-01-22 2001-07-23 株式会社東芝 復号装置
TW238459B (en) * 1993-12-21 1995-01-11 Ind Tech Res Inst Encoder
TW233394B (en) * 1994-04-29 1994-11-01 Ind Tech Res Inst Variable length decoder

Also Published As

Publication number Publication date
EP0708551B1 (de) 2000-05-31
DE69517283T2 (de) 2001-01-25
JPH08116447A (ja) 1996-05-07
EP0708551A2 (de) 1996-04-24
EP0708551A3 (de) 1996-10-16
US5801841A (en) 1998-09-01

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8339 Ceased/non-payment of the annual fee