ZA911411B - Encoding image data - Google Patents

Encoding image data

Info

Publication number
ZA911411B
ZA911411B ZA911411A ZA911411A ZA911411B ZA 911411 B ZA911411 B ZA 911411B ZA 911411 A ZA911411 A ZA 911411A ZA 911411 A ZA911411 A ZA 911411A ZA 911411 B ZA911411 B ZA 911411B
Authority
ZA
South Africa
Prior art keywords
image data
encoding image
encoding
data
image
Prior art date
Application number
ZA911411A
Other languages
English (en)
Inventor
Mark Arnold Ireton
Arnold Ireton Mark
Costas Spyros Xydeas
Spyros Xydeas Costas
Original Assignee
Int Computers 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 Int Computers Ltd filed Critical Int Computers Ltd
Publication of ZA911411B publication Critical patent/ZA911411B/xx

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
    • H04N1/411—Bandwidth or redundancy reduction for the transmission or storage or reproduction of two-tone pictures, e.g. black and white pictures
    • H04N1/413—Systems or arrangements allowing the picture to be reproduced without loss or modification of picture-information
    • H04N1/417—Systems or arrangements allowing the picture to be reproduced without loss or modification of picture-information using predictive or differential encoding
    • H04N1/4172—Progressive encoding, i.e. by decomposition into high and low resolution components
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T9/00—Image coding
    • G06T9/004—Predictors, e.g. intraframe, interframe coding

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Signal Processing (AREA)
  • Compression Of Band Width Or Redundancy In Fax (AREA)
  • Image Processing (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
ZA911411A 1990-03-17 1991-02-26 Encoding image data ZA911411B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB909006080A GB9006080D0 (en) 1990-03-17 1990-03-17 Progressive encoding

Publications (1)

Publication Number Publication Date
ZA911411B true ZA911411B (en) 1991-11-27

Family

ID=10672817

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA911411A ZA911411B (en) 1990-03-17 1991-02-26 Encoding image data

Country Status (6)

Country Link
EP (1) EP0448226B1 (ja)
JP (1) JP3213012B2 (ja)
AU (1) AU631975B2 (ja)
DE (1) DE69115738T2 (ja)
GB (1) GB9006080D0 (ja)
ZA (1) ZA911411B (ja)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH08107506A (ja) * 1994-10-07 1996-04-23 Mita Ind Co Ltd 通信装置
ATE509330T1 (de) * 1999-12-04 2011-05-15 Luratech Imaging Gmbh Verfahren zur kompression von gescannten farb- und/oder graustufendokumenten
DE19958553A1 (de) 1999-12-04 2001-06-07 Luratech Ges Fuer Luft Und Rau Verfahren zur Kompression von gescannten Farb- und/oder Graustufendokumenten
JP6569242B2 (ja) * 2015-02-27 2019-09-04 富士ゼロックス株式会社 画像処理装置、画像処理システム及び画像処理プログラム
CN114663268B (zh) * 2022-02-25 2024-06-21 淮阴工学院 基于改进位平面分解和差值扩展的可逆图像水印算法

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2583043B2 (ja) * 1984-12-06 1997-02-19 大日本スクリ−ン製造株式会社 画像データ圧縮装置
US4648119A (en) * 1985-03-18 1987-03-03 Tektronix, Inc. Method and apparatus for forming 3×3 pixel arrays and for performing programmable pattern contingent modifications of those arrays
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
GB8630887D0 (en) * 1986-12-24 1987-02-04 Philips Electronic Associated Encoding & displaying pictures
JPH02177766A (ja) * 1988-12-28 1990-07-10 Canon Inc ２値画像の階層的符号化方式
US4979049A (en) * 1989-06-01 1990-12-18 At&T Bell Laboratories Efficient encoding/decoding in the decomposition and recomposition of a high resolution image utilizing its low resolution replica
US5109438A (en) * 1990-04-25 1992-04-28 Hughes Aircraft Company Data compression system and method

Also Published As

Publication number Publication date
GB9006080D0 (en) 1990-05-16
JP3213012B2 (ja) 2001-09-25
EP0448226A3 (en) 1992-12-09
EP0448226A2 (en) 1991-09-25
JPH04222171A (ja) 1992-08-12
AU631975B2 (en) 1992-12-10
DE69115738T2 (de) 1996-05-15
EP0448226B1 (en) 1995-12-27
DE69115738D1 (de) 1996-02-08
AU7294191A (en) 1991-09-19

Similar Documents

Publication Publication Date Title
EP0449555A3 (en) Image encoding apparatus
GB2267624B (en) Image data compression
GB2252021B (en) Data compression
GB9005030D0 (en) Image data processing
EP0475251A3 (en) Coding apparatus for digital image data
GB2258781B (en) Data compression
GB2250887B (en) Image reading apparatus
EP0473374A3 (en) Image data processing
SG94709A1 (en) Image encoding apparatus
EP0464467A3 (en) Data processing by image manipulation
GB2259824B (en) Data compression
GB9314479D0 (en) Encoding data
GB9312124D0 (en) Encoding digital data
EP0517235A3 (en) Image reading apparatus
EP0502711A3 (en) Image reading apparatus
EP0457281A3 (en) Image reading apparatus
GB2266635B (en) Image data compression
EP0508361A3 (en) Image reading apparatus
ZA911411B (en) Encoding image data
EP0466475A3 (en) An image data encoding system
EP0538927A3 (en) Data compaction techniques
EP0449498A3 (en) Image reading apparatus
SG48004A1 (en) Image reading apparatus
SG50538A1 (en) Coding image data
GB2249238B (en) Image encoding apparatus