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NO911629L - Fremgangsmaate og system for datakompresjon. - Google Patents

Fremgangsmaate og system for datakompresjon.

Info

Publication number
NO911629L
NO911629L NO91911629A NO911629A NO911629L NO 911629 L NO911629 L NO 911629L NO 91911629 A NO91911629 A NO 91911629A NO 911629 A NO911629 A NO 911629A NO 911629 L NO911629 L NO 911629L
Authority
NO
Norway
Prior art keywords
orthogonal
icon
attributes
data compression
icons
Prior art date
Application number
NO91911629A
Other languages
English (en)
Other versions
NO911629D0 (no
Inventor
James F Alves
Jerry A Burman
Original Assignee
Hughes Aircraft Co
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 Hughes Aircraft Co filed Critical Hughes Aircraft Co
Publication of NO911629D0 publication Critical patent/NO911629D0/no
Publication of NO911629L publication Critical patent/NO911629L/no

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N7/00—Television systems
    • H04N7/12—Systems in which the television signal is transmitted via one channel or a plurality of parallel channels, the bandwidth of each channel being less than the bandwidth of the television signal
    • 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
    • H04N1/411—Bandwidth or redundancy reduction for the transmission or storage or reproduction of two-tone pictures, e.g. black and white pictures
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T9/00—Image coding
    • G06T9/001—Model-based coding, e.g. wire frame

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Image Processing (AREA)
  • Compression Of Band Width Or Redundancy In Fax (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
  • Image Analysis (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)

Abstract

Bildedatakompresjon realiseres ved oppdele et bilde l relativt små blokker av blldeelementer, å tilpasse hver blokk til en ortogonal Ikon, og å ekstrahere attri- butter tilhørende Ikonen. En tabell over disse ortogonale Ikoner og attributter representerer et datakomprlmert bilde. Hver blokk behandles separat fra alle andre blokker. Ortogonal behandling anvendes til å bevare ortogonale trekk mens ikke-ortogonale trekk dempes. Et optimalt sett av ortogonale ikoner og et optimalt sett av attributter for hver ikon ytterligere forbedrer datakompresjon og gjengivelseskvalltet. Det optimale settet av ortogonale Ikoner innbefatter en flat ikon (I28a) en kantikon (128b), en båndlkon (128c) en hjørneikon (128d) og en flekklkon (128e). Et optimalt sett av attributter innbefatter gjennomsnitts- intenslteter, intensitetsovergangsposlsjon og- separasjon, og vinkel for hovedaksene.
NO91911629A 1990-04-25 1991-04-24 Fremgangsmaate og system for datakompresjon. NO911629L (no)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US07/514,778 US5109438A (en) 1990-04-25 1990-04-25 Data compression system and method

Publications (2)

Publication Number Publication Date
NO911629D0 NO911629D0 (no) 1991-04-24
NO911629L true NO911629L (no) 1991-10-28

Family

ID=24048657

Family Applications (1)

Application Number Title Priority Date Filing Date
NO91911629A NO911629L (no) 1990-04-25 1991-04-24 Fremgangsmaate og system for datakompresjon.

Country Status (13)

Country Link
US (1) US5109438A (no)
EP (1) EP0453828B1 (no)
JP (1) JPH04229381A (no)
KR (1) KR950009855B1 (no)
AU (1) AU634373B2 (no)
CA (1) CA2039038C (no)
DE (1) DE69122542T2 (no)
EG (1) EG20205A (no)
ES (1) ES2094766T3 (no)
GR (1) GR3022164T3 (no)
IL (1) IL97724A (no)
NO (1) NO911629L (no)
TR (1) TR26116A (no)

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Publication number Priority date Publication date Assignee Title
US5790599A (en) * 1989-01-19 1998-08-04 Redband Technologies, Inc. Data compression system using source representation
US6185324B1 (en) 1989-07-12 2001-02-06 Hitachi, Ltd. Semiconductor failure analysis system
JP2941308B2 (ja) 1989-07-12 1999-08-25 株式会社日立製作所 検査システムおよび電子デバイスの製造方法
GB9006080D0 (en) * 1990-03-17 1990-05-16 Int Computers Ltd Progressive encoding
CA2049273A1 (en) * 1990-10-25 1992-04-26 Cindy E. Daniell Self adaptive hierarchical target identification and recognition neural network
FR2670923A1 (fr) * 1990-12-21 1992-06-26 Philips Lab Electronique Dispositif de correlation.
IL106335A0 (en) * 1992-08-03 1993-12-28 Redband Technologies Inc Data compression system using source representation
US5502807A (en) * 1992-09-21 1996-03-26 Tektronix, Inc. Configurable video sequence viewing and recording system
JPH06113147A (ja) * 1992-09-29 1994-04-22 Canon Inc ノイズ除去装置
US5610657A (en) * 1993-09-14 1997-03-11 Envistech Inc. Video compression using an iterative error data coding method
JPH07170521A (ja) * 1993-12-15 1995-07-04 Canon Inc 画像処理装置
US5784284A (en) * 1995-12-29 1998-07-21 Snap-On Tools Company Technique for plotting a variable-width signal in a fixed-width plot area
US6789070B1 (en) * 2000-06-14 2004-09-07 The United States Of America As Represented By The Secretary Of The Navy Automatic feature selection system for data containing missing values
DE10041037A1 (de) * 2000-08-22 2002-03-14 Ubicom Ges Fuer Telekommunikat Bildkodierungsverfahren und Bildkodierer
CN1533660B (zh) * 2001-07-20 2010-12-22 Nxp股份有限公司 识别可变数据速率的方法与装置
US7454068B2 (en) * 2003-11-12 2008-11-18 International Business Machines Corporation System and method for providing black white image compression
US7515758B2 (en) * 2004-02-03 2009-04-07 International Business Machines Corporation Black white image compression having print density control
US20060092147A1 (en) * 2004-11-03 2006-05-04 Roberts Ben D Pulse width modulation technique and apparatus for a display array
US7830552B2 (en) * 2005-04-15 2010-11-09 International Business Machines Corporation Black white image scaling having print density control and polarity detection
CN114492136B (zh) * 2022-01-17 2025-03-07 中科南京移动通信与计算创新研究院 雨衰数据的获取方法、设备和存储介质

Family Cites Families (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3268864A (en) * 1963-03-18 1966-08-23 Apparatus for feature recognition of symbols
US3980809A (en) * 1973-07-16 1976-09-14 International Business Machines Corporation Encoding logic for reduced bandwidth pictorial data transmission system
DE2423817A1 (de) * 1973-07-16 1975-02-06 Ibm Verfahren und schaltungsanordnungen zur codierung zweidimensionaler bildinformationen
US4281312A (en) * 1975-11-04 1981-07-28 Massachusetts Institute Of Technology System to effect digital encoding of an image
JPS5929020B2 (ja) * 1977-06-08 1984-07-17 松下電器産業株式会社 ２次元ブロック符号化方法
JPS5484416A (en) * 1977-12-19 1979-07-05 Ricoh Co Ltd Meothod and device for transmission and reception of telautogram information
US4205341A (en) * 1978-01-24 1980-05-27 Nippon Telegraph And Telephone Public Corporation Picture signal coding apparatus
US4529228A (en) * 1980-09-02 1985-07-16 Kramer Henry P Method and apparatus for coding pictorial information for efficient storage, transmission and reproduction
JPS5949071A (ja) * 1982-09-13 1984-03-21 Dainippon Screen Mfg Co Ltd 図形輪郭デ−タ圧縮方法
US4553171A (en) * 1984-01-27 1985-11-12 Xerox Corporation Tile encoding in image printing
JPS61159869A (ja) * 1985-01-08 1986-07-19 Mitsubishi Electric Corp ベクトル量子化器
JPS6275782A (ja) * 1985-09-30 1987-04-07 Canon Inc 画像符号化装置
JPH0824341B2 (ja) * 1985-10-28 1996-03-06 株式会社日立製作所 画像データ符号化方法
DE3542484A1 (de) * 1985-11-30 1987-07-02 Ant Nachrichtentech Verfahren zur erkennung von kantenstrukturen in einem bildsignal
US4947447A (en) * 1986-04-24 1990-08-07 Hitachi, Ltd. Method for data coding
JPS6349925A (ja) * 1986-08-20 1988-03-02 Takahiro Haniyu 高速パタ−ンマツチング用ゲ−トアレ−の構成方法

Also Published As

Publication number Publication date
EG20205A (en) 1997-10-30
NO911629D0 (no) 1991-04-24
DE69122542T2 (de) 1997-02-13
CA2039038C (en) 1994-10-25
AU634373B2 (en) 1993-02-18
IL97724A0 (en) 1992-06-21
EP0453828B1 (en) 1996-10-09
EP0453828A3 (en) 1992-08-05
CA2039038A1 (en) 1991-10-26
US5109438A (en) 1992-04-28
IL97724A (en) 1994-10-07
TR26116A (tr) 1995-02-15
KR950009855B1 (ko) 1995-08-29
JPH04229381A (ja) 1992-08-18
EP0453828A2 (en) 1991-10-30
DE69122542D1 (de) 1996-11-14
ES2094766T3 (es) 1997-02-01
GR3022164T3 (en) 1997-03-31
KR910019450A (ko) 1991-11-30
AU7431791A (en) 1991-11-07

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